Document:

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                                                                   Exhibit 10.23
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                            LEASE AGREEMENT [N281SK]

                          dated as of February 23, 2001

                                     between

                    FIRST SECURITY BANK, NATIONAL ASSOCIATION

                                 Owner Trustee,

                                                                         Lessor,

                                       and

                            CHAUTAUQUA AIRLINES, INC.

                                                                         Lessee.

                  Covering One Embraer Model EMB-145LR Aircraft
                           Registration Number N281SK
                       Manufacturer's Serial Number 145391

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                      THIS IS ORIGINAL COUNTERPART NO. 1.
TO THE EXTENT, IF ANY, THAT THIS LEASE AGREEMENT [N281SK] CONSTITUTES CHATTEL
PAPER (AS THE TERM IS DEFINED IN THE UNIFORM COMMERCIAL CODE AS IN EFFECT IN ANY
APPLICABLE JURISDICTION), NO SECURITY INTEREST IN THIS LEASE AGREEMENT [N281SK]
MAY BE CREATED THROUGH THE TRANSFER OR POSSESSION OF ANY COUNTERPART OTHER THAN
THE ORIGINAL COUNTERPART MARKED COUNTERPART NO.1

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          THIS LEASE AGREEMENT [N281SK], dated as of February 23, 2001, between
FIRST SECURITY BANK, NATIONAL ASSOCIATION, a national banking association, not
in its individual capacity but solely as Owner Trustee, the Lessor, and
CHAUTAUQUA AIRLINES, INC., a New York corporation, the Lessee.

                              W I T N E S S E T H:

          WHEREAS, the Lessor intends to purchase the Aircraft pursuant to the
terms of the Participation Agreement;

          WHEREAS, the Lessee desires to lease from the Lessor and the Lessor is
willing to lease to the Lessee the Aircraft upon and subject to the terms and
conditions of this Lease; and

          WHEREAS, the parties intend this Lease to constitute a true lease and
not a security agreement;

          NOW, THEREFORE, in consideration of the mutual covenants herein
contained and other good and valuable consideration the receipt and adequacy of
which is hereby acknowledged, and intending to be legally bound, the parties do
hereby agree as follows:

Section 1.INTERPRETATION.

          (a) DEFINITIONS.

          Capitalized terms used herein and defined in Appendix A shall, except
as such definitions may be specifically modified in the body of this Lease for
the purposes of a particular section, paragraph or clause, have the meanings
given such terms in Appendix A and, unless otherwise specified, such meanings
shall be equally applicable to both the singular and the plural forms of such
terms.

          (b) REFERENCES.

          References in this Lease to sections, paragraphs, clauses, appendices,
schedules and exhibits are to sections, paragraphs, clauses, appendices,
schedules and exhibits in and to this Lease unless otherwise specified.
Paragraphs identified with a letter and clauses identified with a number or
letter within a section may be referred to either by section reference (for
example, this is Section l(b)) or by paragraph and clause reference (for
example, this is also paragraph (b) of Section 1) with the same meaning.

          (c) HEADINGS.

          The headings of the various sections, paragraphs and clauses of this
Lease and the table of contents are for convenience of reference only and shall
not modify, define, expand or limit any of the terms or provisions hereof.

          (d) APPENDICES, SCHEDULES AND EXHIBITS.

          The appendices, schedules and exhibits hereto are part of this Lease.

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Section 2. DELIVERY AND LEASING OF THE AIRCRAFT.

          (a) LEASING OF THE AIRCRAFT.

          Subject to the satisfaction or waiver of the conditions precedent
stated in the Participation Agreement, the Lessor agrees to lease to the Lessee,
and the Lessee agrees to lease from the Lessor, the Aircraft on the terms and
conditions set forth herein, such leasing to be evidenced by the execution and
delivery by the Lessor and the Lessee on the Delivery Date of a Lease
Supplement.

          (b) DELIVERY AND ACCEPTANCE OF THE AIRCRAFT UNDER THE LEASE.

          The Lessor hereby authorizes one or more persons designated by the
Lessee as the authorized representative or representatives of the Lessor to
accept delivery of the Aircraft from the Seller. By executing and delivering
Lease Supplement No. 1, the Lessee confirms to the Lessor that the Lessee has
duly and irrevocably accepted delivery of the Aircraft for all purposes of this
Lease.

Section 3. TERM AND RENT.

          (a) TERM.

          The Aircraft is leased for a Term which shall comprise the Basic Term
and, at the option of the Lessee exercised in accordance with Section 13(a), one
or more Renewal Terms. The Basic Term shall commence on the Delivery Date and
continue through the Expiration Date; and each Renewal Term, if any, shall be
for the applicable period provided in Section 13(a), except that the Term
(including the Basic Term or any Renewal Term, as the case may be) shall end
upon any earlier termination of this Lease according to its terms.

          (b) BASIC RENT.

          The Lessee shall pay Basic Rent in consecutive monthly installments on
each Basic Rent Payment Date during the Basic Term, each such installment to be
in an amount determined by multiplying Lessor's Cost by the percentage set forth
in Exhibit C-1 for the applicable Basic Rent Payment Date. The Lessee shall pay
Basic Rent during a Renewal Term in the amounts and at the times provided in
Section 13(a) for such Renewal Term. For the avoidance of doubt, and
notwithstanding any provision to the contrary in this Lease, the amount of Basic
Rent that the Lessee is required to pay to the Lessor for the use of the
Aircraft for each Basic Rent Period listed in column (1) of Exhibit C-2 hereof
shall be the amount determined by multiplying Lessor's Cost by the percentage
set forth in column (2) of Exhibit C-2 beside such Basic Rent Period. "Basic
Rent Period" means each of (x) the period commencing on and including the
Delivery Date and ending on but excluding the first Basic Rent Payment Date
following the Delivery Date, and (y) each period commencing on and including a
Basic Rent Payment Date and ending on but excluding the next subsequent Basic
Rent Payment Date.

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          (c) SUPPLEMENTAL RENT.

          The Lessee shall pay to the Lessor, or to whoever shall be entitled
thereto, any and all Supplemental Rent when the same shall become due and owing.
Without limiting the foregoing, the Lessee shall pay as Supplemental Rent:

               (i) to the Lessor, on demand, interest at the Past Due Rate on
          any part of any installment of Basic Rent not paid when due for the
          period for which the same shall be overdue; and

               (ii) to whoever shall have been entitled to receive the relevant
          payment of Supplemental Rent, on demand, interest at the Past Due Rate
          on any payment of Supplemental Rent (other than interest payable under
          this clause (ii)) not paid when due for the period for which the same
          shall be overdue.

          The obligations of the Lessee to pay Supplemental Rent provided for in
this Section 3(c) shall survive the expiration or other termination of this
Lease.

          (d) ADJUSTMENTS TO BASIC RENT AND TERMINATION VALUES.

          All installments of Basic Rent remaining to be paid during the Basic
Term shall be recalculated and adjusted, upwards or downwards as the case may be
(and corresponding adjustments shall be made to the EBO Amount and the
Termination Values applicable during the remaining Basic Term) to maintain the
Net Economic Return through the EBO Date as well as the end of the Basic Term
and, to the greatest extent consistent with such maintenance of such Net
Economic Return, to minimize the net present value (calculated at a discount
rate equal to the Applicable Rate or such other rate as may be specified by the
Lessee to the Owner Participant) of the remaining Basic Rent payments (or, if
the Lessee shall have so specified to the Owner Participant, the remaining Basic
Rent Payments to the EBO Date together with the EBO Amount), if:

               (i) the Delivery Date shall not be February 23, 2001;

               (ii) the Transaction Costs payable by the Owner Participant
          pursuant to Section 8.01(a) of the Participation Agreement shall be
          greater or less than the percentage of Lessor's Cost set forth on
          Exhibit B; or

               (iii) there shall be an adjustment of Termination Values as
          provided in Section 16 of the Tax Indemnity Agreement.

Adjustments to the installments of Basic Rent (expressed as percentages of
Lessor's Cost) set forth in Exhibit C-1 and conforming adjustments to the EBO
Amount and the amounts of Termination Values (expressed as percentages of
Lessor's Cost) set forth in Exhibit D shall be calculated by the Owner
Participant in accordance with the terms of this Section 3(d), and the Owner
Participant shall deliver to the Lessee and the Lessor schedules setting forth
the revised EBO Amount and the revised percentages that the Owner Participant
proposes to include in Exhibits C and D, subject to review by the Lessee and
verification as provided herein. In the event of a dispute regarding any such
adjustment which is not resolved by agreement of the

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Lessee and the Owner Participant, the adjustments, at the request of the Lessee
delivered to the Owner Participant within 30 days after receipt of the Owner
Participant's proposed adjustments, shall be subjected to verification by a
lease advisory firm or a nationally recognized firm of accountants in each case
to be selected by the Owner Participant and reasonably acceptable to the Lessee.
The Owner Participant shall provide to such firm, but not, in any circumstances,
to Lessee or any representatives of Lessee, on a confidential basis such
information as such firm may reasonably require, including, without limitation,
a true copy of this Lease and a full description of the methodology and
assumptions employed by the Owner Participant in calculating the EBO Amount or
Basic Rent or Termination Value set forth in Exhibits C and D as in effect on
the Delivery Date and a true copy of the calculations of the same performed by
the Owner Participant at the time, to enable such firm to determine whether the
adjustments proposed by the Owner Participant are mathematically accurate, apply
the same methodology and assumptions (except to the extent changed by the events
giving rise to such recalculation or any prior recalculation pursuant to this
Section 3(d)) as were employed in the calculations of the Basic Rent, EBO Amount
and Termination Values in effect on the Delivery Date, and are otherwise in
conformity with the provisions of this Lease. The Lessee and its financial
advisors shall be entitled to submit such data and views as the Lessee may elect
to such firm concerning the proposed adjustments. The firm shall be requested to
deliver to each of the Owner Participant, the Lessee and the Lessor within 30
days after its appointment its determination as to the changes, if any, that are
appropriate with respect to the adjustments proposed by the Owner Participant.
The adjustments proposed by the Owner Participant, if not disputed by the Lessee
as provided above, or the determination of the firm as provided above, as the
case may be, shall be conclusive, final and binding upon the Lessor, the Lessee
and the Owner Participant, and the EBO Amount and Exhibits C and D shall be
amended to reflect them. No dispute concerning any adjustment shall release the
Lessee from its obligation to pay the EBO Amount or Basic Rent or Termination
Value as then set forth in Exhibits C and D. All reasonable fees and expenses
payable to a firm pursuant to this paragraph shall be paid by the Lessee except
that such fees and expenses shall be paid entirely by the Owner Participant if,
as a result of changes determined by the firm, the net present value, discounted
at the Applicable Rate or such other rate as the Lessee may have specified as
provided above in this paragraph, of Basic Rent remaining to be paid is ten
basis points (0.10%) or more lower than it would have been under the adjustments
proposed by the Owner Participant.

Any adjustments made pursuant to this Section 3(d) shall (i) be made so as to
avoid characterization of this Lease as a "disqualified leaseback or long-term
agreement" within the meaning of Section 467 of the Code and/or regulations
thereunder (or any successor or relevant Code provision or regulations) and (ii)
be in compliance with the requirements of Sections 4.02(5) and 4.07(l) of the
Revenue Procedure 75-28 (or any successor relevant procedure), except to the
extent that on the Delivery Date the Lease constituted such a "disqualified
leaseback or long-term agreement" or was not in compliance with the revenue
procedure referred to in clause (ii). In addition, notwithstanding any other
provisions herein, in no event shall the EBO Amount be adjusted to an amount
that is less than the greater of (A) the adjusted Termination Value as of the
applicable EBO Date, (B) the estimated fair market value of the Aircraft on the
applicable EBO Date (as set forth in the appraisal received pursuant to Section
3.01(b)(xiii) of the Participation Agreement), and (C) the present value as of
the applicable EBO Date of (x) the remaining scheduled Basic Rent through the
end of the Basic Term plus (y) Estimated Value (as identified on Exhibit B) (the
present value calculation described in this

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clause (C) shall utilize a monthly compounded discount rate no lower than the
rate per annum identified on Exhibit B as the Compounded Discount Rate). All
adjustments required pursuant to this Section 3(d) shall be set forth in a Lease
Supplement or in an amendment to this Lease.

          (e) MANNER OF PAYMENT.

          All Rent payable by the Lessee to the Lessor hereunder shall be paid
to the Lessor at the following account or at such other account as the Lessor
shall specify in a notice to the Lessee, in Dollars in immediately available
funds, so that the Lessor receives the full amount of each payment not later
than 12:00 noon Eastern Time on the due date thereof:

               Bank: Bankers Trust Company
               ABA No.: 021 001 033
               Account no.: 50 255 888
               Account Name: GECC T&I Air Depository Account
               Ref: Chautauqua N281SK Rent Payment

If any Rent is due on a day that is not a Business Day, such Rent shall be paid
on the next succeeding Business Day with the same force and effect as if paid on
the scheduled date of payment and (if paid on such next succeeding Business Day)
no interest shall accrue on the amount of such payment from and after such
scheduled date to the time of payment on such next succeeding Business Day.

          (f) RENT OBLIGATIONS UNCONDITIONAL.

          The Lessee's obligations to pay all Rent due and owing under the terms
hereof shall be absolute and unconditional and shall not be affected by any
circumstance whatsoever including, without limitation, (i) any setoff,
counterclaim, recoupment or other right which the Lessee may have against the
Lessor, the Owner Participant, or anyone else for any reason whatsoever, (ii)
any defect in the title, airworthiness, condition, design, operation or fitness
for use of, or any damage to or loss or destruction of, the Aircraft, or any
interference, interruption or cessation in or prohibition of the use or
possession thereof by the Lessee for any reason whatsoever, including, without
limitation, any such interference, interruption, cessation or prohibition
resulting from the act of any governmental authority or any violation by the
Lessor of Section 4 hereof, (iii) any Liens, encumbrances or rights of others
with respect to the Aircraft, (iv) the invalidity or unenforceability or lack of
due authorization or other infirmity or disaffirmance of this Lease or any
provision hereof or any other Operative Agreement or any lack of right, power or
authority of the Lessor or the Lessee to enter into this Lease or any other
Operative Agreement, (v) any insolvency, bankruptcy, reorganization or similar
proceedings by or against the Lessee, or any other Person, or (vi) any other
cause whether similar or dissimilar to the foregoing, any present or future law
notwithstanding, it being the intention of the parties that all Rent payable by
the Lessee hereunder shall continue to be payable in all events in the manner
and at the times provided herein. Such Rent shall not be subject to any
abatement and the payments thereof shall not be subject to any setoff or any
reduction for any reason other than manifest error in the calculation thereof or
the documentation of this Lease. To the extent permitted by Applicable Law, the
Lessee waives any rights which it may now have or which may be conferred upon it
by statute or otherwise to terminate, cancel, quit or surrender this Lease

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except in accordance with the terms hereof. If for any reason whatsoever this
Lease shall be terminated in whole or in part by operation of law or otherwise
except as specifically provided in Sections 8, 13, 14 and 17, Lessee nonetheless
agrees to pay to Lessor an amount equal to the Rent payment at the time such
payment would have become due and payable in accordance with the terms hereof
had this Lease not been terminated in whole or in part. Subject to the following
sentence, each payment of Rent made by Lessee to Lessor shall be final as to
Lessor and Lessee and Lessee will not seek to recover all or any part of such
payment of Rent for any reason whatsoever. Nothing herein shall be construed as
a waiver by the Lessee of any claim it may have against any Person arising under
any of the Operative Agreements or otherwise, including, without limitation, any
claim that Rent payments demanded from or paid by the Lessee are or were not
due, are or were erroneous or were paid under mistake or protest, or be
construed as a limitation on any rights of the Lessee to assert any claim in any
proceeding at law, in equity or otherwise against the Lessor or any other Person
and to pursue and obtain relief on such claim in such manner as the Lessee shall
deem appropriate other than by setoff against Rent payments due under the terms
hereof.

Section 4. THE LESSOR'S REPRESENTATIONS AND WARRANTIES.

          (a) REPRESENTATION AND WARRANTIES. THE LESSOR LEASES THE AIRCRAFT
HEREUNDER "AS-IS", "WHERE IS" AND NEITHER THE LESSOR, TRUST COMPANY INDIVIDUALLY
NOR THE OWNER PARTICIPANT SHALL BE DEEMED TO HAVE MADE, AND HEREBY DISCLAIMS,
ANY REPRESENTATION OR WARRANTY, EXPRESS OR IMPLIED, AS TO THE TITLE,
AIRWORTHINESS, CONDITION, VALUE, DESIGN, OPERATION, MERCHANTABILITY, COMPLIANCE
WITH SPECIFICATIONS, CONSTRUCTION, PERFORMANCE OR FITNESS FOR USE OR FOR ANY
PURPOSE OF THE AIRCRAFT OR ANY PART THEREOF, AS TO THE ABSENCE OF LATENT OR
OTHER DEFECTS, WHETHER OR NOT DISCOVERABLE, AS TO THE ABSENCE OF ANY
INFRINGEMENT OF ANY PATENT, TRADEMARK OR COPYRIGHT, AS TO THE ABSENCE OF
OBLIGATIONS BASED ON LIABILITY IN TORT, STRICT OR OTHERWISE, AS TO FREEDOM FROM
INTERFERENCE IN POSSESSION OR USE, OR AS TO THE QUALITY OF THE MATERIAL OR
WORKMANSHIP OF THE AIRCRAFT OR ANY PART THEREOF OR ANY OTHER REPRESENTATION OR
WARRANTY WHATSOEVER, EXPRESS OR IMPLIED, WITH RESPECT TO THE AIRCRAFT OR ANY
PART THEREOF, except that the Lessor warrants that on the Delivery Date the
Lessor shall have received whatever title was conveyed to it by the Seller and
the Lessor warrants that the Aircraft shall be free of Lessor's Liens (other
than Liens arising as a result of a Permitted Security Interest) during the
Term.

          (b) QUIET ENJOYMENT. The Lessor covenants that during the Term, as
long as no Event of Default has occurred and is continuing, the Lessee's
possession, use and quiet enjoyment of the Aircraft leased hereunder shall not
be interrupted by the Lessor (or any Person lawfully claiming through the
Lessor).

          (c) MANUFACTURER'S WARRANTIES. Lessor hereby assigns to Lessee all
rights Lessor has under any warranty, express or implied, with respect to the
Aircraft and the Engines or any Parts thereof made by the Manufacturer, the
Engine Manufacturer, or any other Person, and all proceeds thereof and
recoveries thereunder under the Embraer Purchase Agreement,

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Embraer Warranty Assignment and Consent, Engine Warranty Agreement and Engine
Warranty Assignment and Consent and otherwise, to the extent that such
warranties exist or may be assigned or otherwise made available to Lessee;
provided, however, that upon the occurrence of an Event of Default and any
termination of this Lease under Section 17 hereof, all such rights shall,
without further action or notice, immediately revert to Lessor including all
claims thereunder whether or not perfected. In the event any such warranties are
not assignable to Lessee, Lessor shall use commercially reasonable efforts at
Lessee's expense to enforce such warranties on Lessee's behalf.

Section 5.Possession, Operation and Use,
          MAINTENANCE, REGISTRATION AND INSIGNIA.

          (a) GENERAL.

          Except as otherwise expressly provided herein, the Lessee (and any
Permitted Sublessee) shall be entitled during the Term to operate, use, locate,
employ or otherwise utilize or not utilize the Airframe, Engines and Parts
leased hereunder in any lawful manner or place in accordance with the Lessee's
(or such Permitted Sublessee's) business judgment.

          (b) POSSESSION.

          The Lessee shall not sublease, or otherwise in any manner deliver,
relinquish or transfer possession of the Airframe or any Engine leased hereunder
to any Person or install any Engine, or permit any Engine to be installed, on
any airframe other than the Airframe, during the Term, without the prior consent
of the Lessor, which consent may be withheld in its sole discretion, PROVIDED,
HOWEVER, that so long as (A) only in the case of clause (x) below, no Default of
the type referred to in Section 16(a), (b), (f), (g) or (h) hereof shall have
occurred and be continuing, (B) no Event of Default shall have occurred and be
continuing, and (C) all approvals, consents or authorizations required from the
Aeronautical Authority in connection with any such sublease or such delivery,
transfer or relinquishment of possession have been obtained and remain in full
force and effect, the Lessee (or, except in the case of clause (x) below, any
Permitted Sublessee) may, without the prior consent of the Lessor:

               (i) enter into a charter or wet lease or other similar
          arrangement under which the Lessee (or such Permitted Sublessee) has
          operational control of the Airframe and any Engines installed thereon
          in the course of the Lessee's business (which shall not be considered
          a transfer of possession hereunder), provided that the Lessee's
          obligations under this Lease and such Permitted Sublessee's
          obligations under the relevant Sublease shall continue in full force
          and effect notwithstanding any such charter or wet lease or other
          similar arrangement;

               (ii) deliver possession of the Airframe or any Engine or any Part
          to the manufacturer thereof or to any organization for testing,
          service, repair, maintenance, overhaul work or other similar purposes
          or for alterations or modifications or additions required or permitted
          by the terms of this Lease;

               (iii) subject the Airframe and any Engines installed thereon to
          interchange agreements (provided that (x) any such interchange
          agreement with

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          respect to the Airframe shall not result in the Lessee (or a Permitted
          Sublessee) being out of possession of the Airframe for a period of
          more than two (2) consecutive days at any one time; (y) such
          interchange agreement is entered into with a Permitted Sublessee; and
          (z) the party to such interchange agreement is not then subject to a
          proceeding or final order under applicable bankruptcy, insolvency or
          reorganization laws on the date such interchange agreement is entered
          into) or any Engine to interchange or pooling agreements or
          arrangements which are applicable to other similar property owned by
          or leased to the Lessee (or such Permitted Sublessee) and are entered
          into by the Lessee (or such Permitted Sublessee) in the course of its
          airline business with any air carrier, provided, that (A) no such
          agreement or arrangement shall under any circumstances result in,
          contemplate or require the transfer of title to the Aircraft, Airframe
          or any Engine and (B) if the Lessor's title to any Engine shall
          nevertheless be divested under any such agreement or arrangement, such
          divestiture shall be deemed to be an Event of Loss with respect to
          such Engine and the Lessee shall comply with Section 7(e) hereof in
          respect thereof;

               (iv) install an Engine on an airframe owned by the Lessee (or
          such Permitted Sublessee) free and clear of all Liens except (A)
          Permitted Liens, (B) those which apply only to the engines (other than
          the Engines), appliances, parts, instruments, appurtenances,
          accessories, furnishings and other equipment (other than Parts)
          installed on such airframe, and (C) those created by the rights of
          other air carriers under interchange or pooling agreements or other
          arrangements customary in the airline industry which do not
          contemplate, permit or require the transfer of title to such airframe
          or engines installed thereon;

               (v) install an Engine on an airframe, leased to the Lessee (or
          such Permitted Sublessee) or purchased by the Lessee (or such
          Permitted Sublessee) subject to a conditional sale or other security
          agreement, but only if (A) such airframe is free and clear of all
          Liens, except (i) the rights of the parties to such lease, or any such
          secured financing arrangement, covering such airframe and (ii) Liens
          of the type permitted by Section 5(b)(iv) and (B) Lessee (or such
          Permitted Sublessee) shall have received from the lessor, mortgagee,
          secured party or conditional seller, in respect of such airframe, a
          written agreement (which may be a copy of the lease, mortgage,
          security agreement, conditional sale or other agreement covering such
          airframe), whereby such Person agrees that it will not acquire or
          claim any right, title or interest in, or Lien on, such Engine by
          reason of such Engine being installed on such airframe at any time
          while such Engine is subject to this Lease (or, in the case of such
          Permitted Sublessee, the relevant Sublease) or is owned by Lessor;

               (vi) install an Engine on an airframe, owned by the Lessee (or
          such Permitted Sublessee), leased by the Lessee (or such Permitted
          Sublessee) or purchased by the Lessee (or such Permitted Sublessee)
          subject to a conditional sale or other security agreement under
          circumstances where neither clause (iv) nor clause (v) above is
          applicable, provided that any such installation (so long as the

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          same shall be continuing) shall be deemed an Event of Loss with
          respect to such Engine and the Lessee shall comply with Section 7(e)
          hereof;

               (vii) transfer possession of the Airframe or Engine to the United
          States of America or any instrumentality thereof pursuant to the Civil
          Reserve Air Fleet Program (as established and administered pursuant to
          Executive Order 11490, as amended, as superseded by United States
          Executive Order No. 12656) or any similar or substitute program ("CRAF
          Program"), in which event Lessee (or such Permitted Sublessee) shall
          promptly notify Lessor in writing of any such transfer of possession
          and, in the case of any transfer pursuant to the CRAF Program, in such
          notification shall identify by name, address and telephone numbers the
          Contracting Office Representatives of the Military Airlift Command of
          the United States Air Force to whom notices must be given and to whom
          requests or claims must be made to the extent applicable under the
          CRAF Program;

               (viii) transfer possession of the Airframe or any Engine to the
          United States of America, or to a foreign government, when required by
          Applicable Law (it being understood that nothing in this clause (viii)
          shall relieve the Lessee from its obligations under Section 8(a) if
          such transfer becomes an Event of Loss), in which event Lessee shall
          promptly notify Lessor in writing of any such transfer of possession;

               (ix) [Reserved];

               (x) subject to the provisions of this Section 5(b), enter into a
          sublease with respect to any Engine or the Airframe and Engines or
          engines then installed on the Airframe to any Permitted Sublessee if
          (A) Lessee shall provide written notice to Lessor and Owner
          Participant at least 10 days prior to entering into any such sublease,
          (B) in any such case, the sublessee under such sublease is not subject
          to a proceeding or final order under applicable bankruptcy, insolvency
          or reorganization laws on the date such sublease is entered into, (C)
          in the event that the sublessee under such sublease is a foreign air
          carrier or Person based in a country other than the United States, the
          United States maintains normal diplomatic relations with the country
          in which such proposed sublessee is principally based at the time such
          sublease is entered into and (D) in the event that the sublessee under
          such sublease is a foreign air carrier or Person based in a country
          other than the United States, prior to the effectiveness of such
          sublease Lessor shall have received an opinion (in form and substance
          reasonably acceptable to Lessor) of counsel to Lessee (reasonably
          acceptable to Lessor) to the effect that (I) the terms of the proposed
          sublease will be legal, valid, binding and (subject to customary
          exceptions) enforceable against the proposed sublessee in the country
          in which the proposed sublessee is principally based, (II) there exist
          no possessory rights in favor of the sublessee under such sublease
          under the laws of such sublessee's country of domicile that would,
          upon bankruptcy or insolvency of or other default by the Lessee and
          assuming that at such time such sublessee is not insolvent or
          bankrupt, prevent the return or repossession of the Aircraft in
          accordance with and when permitted by the terms of Section 17(a)

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          upon the exercise by Lessor of its remedies under Section 17(a), (III)
          the laws of such sublessee's country of domicile require fair
          compensation by the government of such jurisdiction payable in
          currency freely convertible into Dollars for the loss of use of or
          title to such Engine or the Airframe in the event of the requisition
          by such government of such use or title (it being understood that in
          the event such opinion cannot be given in a form reasonably
          satisfactory to the Owner Participant, such opinion will be waived if
          insurance reasonably satisfactory to the Owner Participant is provided
          to cover such requisition), (IV) the laws of such sublessee's country
          of domicile would give recognition to Lessor's title to such Engine or
          the Airframe, to the registry of such Engine or the Airframe in the
          name of Lessor (or Lessee, as "lessee", or the proposed sublessee, as
          appropriate), (V) all filings, if any, required to be made in such
          jurisdiction in connection with the execution of such sublease in
          order to protect the interest of Lessor in such Engine or the Airframe
          have been made, (VI) it is not necessary for the Owner Participant or
          Lessor to register or qualify to do business in such jurisdiction, if
          not already so registered or qualified, as a result, in whole or in
          part, of the proposed sublease, (VII) the agreement of such Permitted
          Sublessee that its rights under the sublease are subject and
          subordinate to all the terms of this Lease is enforceable against such
          Permitted Sublessee under Applicable Law of such country, and (VIII)
          there is no tort liability for owners not in possession of aircraft in
          such country more onerous than under the laws of the United States or
          any state thereof (it being agreed that in the event such opinion
          cannot be given in a form reasonably satisfactory to the Owner
          Participant, such opinion will be waived if insurance reasonably
          satisfactory to the Owner Participant is provided to cover the risk of
          such tort liability); provided that no such sublease shall be made to
          a Permitted Sublessee of the type described in clause (b) of the
          definition thereof that is not domiciled in the United States or of
          the type described in clause (b) of the definition of Permitted Air
          Carrier or to any tax exempt entity within the meaning of Section
          168(h) of the Code prior to the end of the Recovery Period, unless the
          Lessee prepays on a lump sum basis any liability due under the Tax
          Indemnity Agreement as a result of such sublease based upon the
          assumption that such sublease will continue for the full term of such
          sublease;

PROVIDED that (1) the rights of any transferee who receives possession by reason
of a transfer permitted by this Section 5(b) (other than by a transfer of an
Engine which is deemed an Event of Loss) shall be subject and subordinate to all
the terms of this Lease; (2) the Lessee shall remain primarily liable hereunder
for the performance of all the terms and conditions of this Lease and all of the
terms and conditions of this Lease and the other applicable Operative Agreements
shall remain in effect; (3) no sublease or transfer of possession otherwise in
compliance with this Section 5(b) shall (A) result in any registration or
re-registration of the Aircraft except to the extent permitted by Section 5(e)
or the maintenance, operation or use thereof except in compliance with Sections
5(c) and 5(d), (B) permit any action not permitted to the Lessee hereunder, (C)
extend beyond the end of the Term (except to the extent that the Lessee shall
have irrevocably committed to exercise a purchase option in accordance with the
terms hereof) or (D) contain any purchase option exercisable at an earlier date
or at a lower price than such date or price, as the case may be, as permitted
under Section 13(b) hereof; (4) if any such sublease or transfer of possession
shall, in the reasonable opinion of the Owner Participant, result in any risk

                                      -10-
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of adverse tax consequences, the Lessee shall, prior to entering into the same,
provide an indemnity satisfactory in form and substance to the Owner Participant
against any such adverse tax consequences; (5) the Lessee shall provide evidence
reasonably satisfactory to Lessor and Owner Participant that the insurance
required by Section 9 remains in effect and for the purpose of Lessor's and
Owner Participant's review of such insurance requirements, the Lessee shall, at
least five (5) days prior to the date of any sublease permitted under this
Section 5(b), provide to Lessor and Owner Participant, forms of the broker's
report and insurance certificates required by Section 9(g); (6) all necessary
documents shall have been duly filed or recorded in applicable public offices as
may be required to preserve the title of Lessor to the Airframe and Engines; and
(7) Lessee shall reimburse Lessor and Owner Participant, on an After Tax Basis,
for all of their reasonable out-of-pocket expenses (including fees and
disbursements of counsel) in connection with any such sublease or transfer.

          In the case of any sublease permitted under this Section 5(b), the
Lessee will include in such sublease appropriate provisions which (a) make such
sublease expressly subject and subordinate to all of the terms of this Lease,
including the rights of the Lessor to avoid such sublease in the exercise of its
rights to repossession of the Airframe and Engines hereunder and thereunder; (b)
expressly prohibit any further subleasing of the Airframe and Engines; (c)
require that the Airframe and Engines be maintained in accordance with a
maintenance program approved by the Aeronautical Authority applicable thereto;
(d) require the sublessee to comply with the terms of Section 9 hereof; (e)
limit the term of such sublease (including renewal rights) to a period not
beyond the end of the Term unless the Lessee shall then have irrevocably
committed to exercise a purchase option in accordance with the terms hereof; (f)
require that the Airframe and Engines be used in accordance with the limitations
applicable to the Lessee's possession and use provided in this Lease and (g)
shall include provisions for the maintenance, operation, possession and
inspection of the Aircraft that are the same in all material respects as the
applicable provisions of this Lease.

          The Lessor hereby agrees for the benefit of the lessor or secured
party of any engine or of any airframe (other than the Airframe) leased to the
Lessee or purchased by the Lessee subject to a conditional sale or other
security agreement, which lease or conditional sale or other security agreement
(in the case of any such airframe) also covers an engine or engines owned by the
lessor under such lease or subject to a security interest in favor of the
secured party under such conditional sale or other security agreement, that the
Lessor will not acquire or claim, as against such lessor or secured party, any
right, title or interest in any such engine as the result of such engine being
installed on the Airframe at any time while such engine is owned by such lessor
or is subject to such conditional sale or other security agreement or security
interest in favor of such secured party.

          (c) OPERATION AND USE.

          The Lessee shall not operate, use or locate the Airframe or any
Engine, or suffer such Airframe or any Engine to be operated, used or located
(i) in any area excluded from coverage by any insurance required by the terms of
Section 9 hereof, except in the case of a requisition by the United States of
America where the Lessee obtains (and provides evidence of) indemnity from the
Government for the benefit of the Additional Insureds against substantially the
same risks and for at least the amounts of the insurance required by Section 9
hereof covering

                                      -11-
<Page>

such area, or (ii) outside the United States or Canada in any recognized or, in
the Lessee's reasonable judgment, threatened area of hostilities unless covered
by war risk insurance, or in either case unless the Airframe or such Engine is
operated or used under contract with the Government under which contract the
Government assumes liability for substantially the same risks in at least the
same amounts as would be covered by such insurance. The Lessee shall not permit
the Airframe or any Engine to be used or operated during the Term in violation
of any Applicable Law or in violation of any airworthiness certificate, license
or registration relating to the Aircraft or such Engines issued by any competent
governmental authority, unless (i) the validity thereof is being contested in
good faith and by appropriate proceedings which do not involve a non-de minimis
danger of the sale, forfeiture or loss of the Airframe or such Engine or the
interest of Owner Participant therein, any risk of criminal liability or any
material risk of civil liability against Lessor or Owner Participant, or (ii) it
is not possible for the Lessee (or a Permitted Sublessee) to comply with the
laws of a jurisdiction other than the United States (or other than any
jurisdiction in which the Aircraft is then registered) because of a conflict
with the applicable laws of the United States (or such jurisdiction in which the
Aircraft is then registered).

          (d) MAINTENANCE.

          The Lessee, at its own cost and expense, shall during the Term
service, repair, maintain, overhaul and test the Aircraft, the Airframe and each
Engine or cause the same to be done in accordance with (1)(i) a maintenance
program approved by the Aeronautical Authority and (ii) maintenance standards
required by, or substantially equivalent to those required by, the FAA or the
central civil aviation authority of Canada, France, Germany, Japan, The
Netherlands or the United Kingdom, and shall keep or cause to be kept the
Aircraft, the Airframe and each Engine in as good operating condition as
originally delivered hereunder, ordinary wear and tear excepted, and shall keep
or cause to be kept the Aircraft, the Airframe and each Engine in such operating
condition as may be necessary to enable the airworthiness certification of the
Aircraft to be maintained in good standing at all times under the applicable
rules and regulations of the Aeronautical Authority, except when aircraft of the
same type, model or series as the Airframe (powered by engines of the same type
as those with which the Airframe shall be equipped at the time of grounding)
registered in the same country have been grounded by the Aeronautical Authority,
PROVIDED, HOWEVER, that if the airworthiness certificate of the Aircraft shall
be withdrawn, then, subject to Section 8 hereof, so long as the Lessee (or a
Permitted Sublessee) is taking or causing to be taken all necessary action to
promptly correct the condition which caused such withdrawal, no Event of Default
shall arise from such withdrawal and (2) except during periods when a Sublease
is in effect, the same standards Lessee uses with respect to similar aircraft of
similar size in its fleet operated (whether owned or leased) by Lessee in
similar circumstances and during any period in which a Sublease is in effect,
the same standards the Permitted Sublessee uses with respect to similar aircraft
of similar size in its fleet and operated (whether owned or leased) by the
Permitted Sublessee in similar circumstances. Nothing herein shall be deemed to
prevent the Lessee (or a Permitted Sublessee) from taking the Aircraft out of
service for maintenance or modifications permitted hereunder or storage in
accordance with applicable Aeronautical Authority requirements and sound
practice for such storage. The Lessee shall maintain or cause to be maintained
all records, logs and other documents required by the Aeronautical Authority to
be maintained in respect of the Aircraft in English. Lessee further agrees that
the Aircraft, Airframe and Engines will be maintained, used, serviced, repaired,
overhauled or inspected in compliance with Applicable Law with respect to the
maintenance of

                                      -12-
<Page>

the Aircraft and compliance with each applicable airworthiness certificate,
license and registration relating to the Aircraft, Airframe or any Engine issued
by the Aeronautical Authority.

          (e) REGISTRATION.

          Except as otherwise permitted by Section 4.02(b) of the Participation
Agreement, or as otherwise required by the Transportation Code or rules,
regulations, or orders promulgated thereunder, or to the extent that such
registration cannot be effected or continued due to the Lessor's or the Owner
Participant's failure to comply with the citizenship or other eligibility
requirements for registration of commercial aircraft under the Transportation
Code or any rule, regulation or order promulgated thereunder, the Aircraft shall
be duly registered in the name of the Lessor under the Transportation Code at
all times during the Term; provided that the Lessor shall execute and deliver
all such documents as the Lessee may reasonably request for the purpose of
effecting, continuing or (as provided in this Section 5(e) hereof and Section
4.02(b) of the Participation Agreement) changing such registration.

Section 6. INSPECTION.

           At all reasonable times during the Term, but upon at least 15 days'
prior notice to the Lessee (unless an Event of Default shall have occurred and
be continuing, in which event a prior written notice of at least one (1)
Business Day is required) and at a time and place reasonably acceptable to the
Lessee, the Lessor and the Owner Participant or their authorized representatives
(which may include the Manufacturer) may at their own expense (unless an Event
of Default shall have occurred and be continuing, in which event the Lessee
shall bear such expense) and risk conduct a visual walk-around inspection of the
Aircraft and any Engine (including a visual walk-around inspection of the
Aircraft during any "C" check or other heavy maintenance) and may inspect the
books and records of the Lessee relating to the operation and maintenance
thereof and the Lessee shall provide copies of such books and records to the
Lessor and the Owner Participant or their authorized representatives at its or
their reasonable request; provided that (a) such representatives shall be fully
insured to the reasonable satisfaction of the Lessee by the Lessor or the Owner
Participant with respect to any risks incurred in connection with any such
inspection, (b) any such inspection shall be subject to the safety, security and
workplace rules applicable at the location where such inspection is conducted
and any applicable governmental rules or regulations, (c) in the case of an
inspection during a maintenance visit, such inspection shall not interfere with
the normal conduct of such maintenance visit or extend the time required for
such maintenance visit or, in any event, at any time interfere with the use or
operation of the Airframe or any Engine or with the normal conduct of the
Lessee's or a Permitted Sublessee's business, and (d) the Lessee shall not be
required to undertake or incur any additional liabilities in connection with any
such inspection. All information obtained in connection with any such inspection
shall be held confidential by the Lessor and the Owner Participant and shall not
be furnished or disclosed by them to anyone other than each other, their bank
examiners, auditors, accountants, agents and legal counsel and any Person with
whom the Owner Participant is in good faith conducting negotiations relating to
the possible transfer and sale of the Owner Participant's interest in the Trust
Estate or the Aircraft, if such Person shall have entered into an agreement
similar to that contained in this Section 6 whereby such Person agrees to hold
such information confidential, and except as may be required by an order of any

                                      -13-
<Page>

court or administrative agency or by any statute, rule, regulation or order of
any governmental authority or as may be necessary to enforce the terms of this
Lease, provided, however, that the Lessor or the Owner Participant may during
any time it is offering the Aircraft for sale make customary disclosures to
prospective purchasers of the Aircraft as to the then current flight and
maintenance status of the Aircraft. The Lessor and the Owner Participant shall
have no duty to make any such inspection and shall not incur any liability or
obligation by reason of not making any such inspection.

          In addition to any inspection as provided hereunder, upon each request
of Owner Participant to Lessee made not more than four times in a calendar year,
Lessee will make available to Owner Participant information with respect to the
cycles and hours of operation of the Airframe and Engines and the status of the
time controlled components of the Engines.

          If requested by Lessor or Owner Participant, Lessee shall provide, or
shall cause any Permitted Sublessee to provide, the date (if then scheduled)
upon which the Airframe undergoes its next scheduled major check and, with
respect to any Engine, the next scheduled off the Airframe maintenance, and
shall advise Lessor and Owner Participant of the name and location (if then
known) of the relevant maintenance performer.

Section 7. Replacement and Pooling of Parts; Alterations,
           MODIFICATIONS AND ADDITIONS; SUBSTITUTION OF ENGINES.

          (a) REPLACEMENT OF PARTS.

          Except as otherwise provided in the proviso to the third sentence of
Section 7(d) or if the Airframe or an Engine to which a Part relates has
suffered an Event of Loss, the Lessee, at its own cost and expense, will during
the Term promptly replace all Parts that may from time to time become worn out,
lost, stolen, destroyed, seized, confiscated, damaged beyond repair or
permanently rendered unfit for use for any reason whatsoever. In addition, in
the ordinary course of maintenance, service, repair, overhaul or testing, the
Lessee (or a Permitted Sublessee), at its own cost and expense, may remove any
Parts, whether or not worn out, lost, stolen, destroyed, seized, confiscated,
damaged beyond repair or permanently rendered unfit for use, provided that the
Lessee (or such Permitted Sublessee), at its own cost and expense, shall, except
as otherwise provided in the proviso to the third sentence of Section 7(d),
replace such Parts as promptly as practicable with replacement Parts or
temporary replacement parts as provided in Section 7(c) hereof. All replacement
Parts shall be free and clear of all Liens except for pooling arrangements to
the extent permitted by Section 7(c) and Permitted Liens and shall be in as good
operating condition as, and shall have a value and utility at least equal to,
the Parts replaced assuming such replaced Parts were in the condition and repair
required to be maintained by the terms hereof.

          (b) TITLE TO PARTS.

          Except in respect of any Part as to which title vests in Lessee upon
removal as provided in the proviso to the third sentence of Section 7(d) and the
fourth sentence of Section 7(d), all Parts at any time removed from the Airframe
or any Engine shall remain the property of the Lessor and subject to this Lease,
no matter where located, until such time as such Parts shall

                                      -14-
<Page>

be replaced by Parts that have been incorporated or installed in or attached to
such Airframe or Engine and that meet the requirements for replacement Parts
specified in Section 7(a). Immediately upon any replacement Part becoming
incorporated or installed in or attached to an Airframe or Engine as provided in
Section 7(a), without further act, (i) title to the replaced Part shall
thereupon vest in the Lessee (or the relevant Permitted Sublessee), in "as-is,
where-is" condition, free and clear of all rights of the Lessor and any Lessor's
Liens and shall no longer be deemed a Part hereunder; (ii) title to such
replacement Part shall thereupon vest in the Lessor (subject only to Permitted
Liens); and (iii) such replacement Part shall become subject to this Lease and
be deemed part of such Airframe or Engine, as the case may be, for all purposes
hereof to the same extent as the Parts originally incorporated or installed in
or attached to such Airframe or Engine.

          (c) POOLING OR PARTS LEASING.

          Any Part removed from the Airframe or from any Engine as provided in
Section 7(a) may be subjected by the Lessee (or a Permitted Sublessee) to a
pooling or parts leasing agreement or arrangement of a type customary in the
airline industry entered into in the ordinary course of the Lessee's (or such
Permitted Sublessee's) business, provided the part replacing such removed Part
shall be incorporated or installed in or attached to such Airframe or Engine in
accordance with Sections 7(a) and 7(b) as promptly as practicable after the
removal of such removed Part. In addition, any replacement part when
incorporated or installed in or attached to the Airframe or any Engine in
accordance with Section 7(a) may be owned by another airline or vendor as
customary in the airline industry, subject to a pooling or parts leasing
arrangement, PROVIDED that the Lessee (or a Permitted Sublessee), at its expense
as promptly thereafter as reasonably practicable, either (i) causes title to
such temporary replacement part to vest in the Lessor in accordance with Section
7(b) by the Lessee (or such Permitted Sublessee) acquiring title thereto for the
benefit of the Lessor free and clear of all Liens except Permitted Liens, at
which time such temporary replacement part shall become a Part and become
subject to this Lease or (ii) replaces such temporary replacement part by
incorporating or installing in or attaching to such Airframe or Engine a further
replacement Part owned by the Lessee (or such Permitted Sublessee) free and
clear of all Liens except Permitted Liens and by causing title to such further
replacement Part to vest in the Lessor in accordance with Section 7(b).

          (d) ALTERATIONS, MODIFICATIONS AND ADDITIONS.

          The Lessee, at its own expense, shall make (or cause to be made)
alterations and modifications in and additions to the Airframe and any Engine as
may be required to be made from time to time during the Term by Applicable Law
or in order to maintain the insurance required under Section 9 regardless of
upon whom such requirements are, by their terms, nominally imposed; PROVIDED,
that the Lessee may, in good faith and by appropriate procedure, contest the
validity or application of any such standard in any reasonable manner which does
not materially adversely affect the interests of the Lessor and does not involve
any non-de minimis risk of sale, forfeiture or loss of the Aircraft or the
interest of Owner Participant therein, any material risk of civil penalty or any
risk of criminal liability being imposed on Lessor or Owner Participant. In
addition, the Lessee (or a Permitted Sublessee), at its own expense, may from
time to time make or cause to be made such alterations and modifications in and
additions to the Airframe and any Engine as the Lessee (or such Permitted
Sublessee) may deem desirable in the

                                      -15-
<Page>

proper conduct of its business including, without limitation, removal of Parts
which Lessee (or such Permitted Sublessee) deems are obsolete or no longer
suitable or appropriate for use in the Aircraft, Airframe or such Engine so long
as the aggregate value of such removed Parts (based on their value as of the
Delivery Date) does not exceed $200,000, PROVIDED further that no such
alteration, modification or addition (i) diminishes the value, utility,
estimated residual value (with respect to the Airframe only), condition,
remaining useful life or airworthiness of such Airframe or Engine below the
value, utility, estimated residual value, condition, remaining useful life or
airworthiness thereof immediately prior to such alteration, modification or
addition, assuming such Airframe or Engine was then in the condition required to
be maintained by the terms of this Lease or (ii) causes the Aircraft to be
limited use property, except that the value (but not the utility, estimated
residual value, condition, remaining useful life or airworthiness) of the
Aircraft may be reduced by the value of Parts which the Lessee (or such
Permitted Sublessee) has removed as permitted above. Title to all Parts
incorporated or installed in or attached or added to the Airframe or any Engine
as the result of any alteration, modification or addition effected by the Lessee
(or a Permitted Sublessee) shall, without further act, vest in the Lessor free
and clear of any Liens except Permitted Liens and become subject to this Lease;
provided that the Lessee (or such Permitted Sublessee) may, at any time during
the Term, remove any such Part from the Airframe or an Engine if (i) such Part
is in addition to, and not in replacement of or in substitution for, any Part
originally incorporated or installed in or attached to such Airframe or Engine
at the time of delivery thereof hereunder or any Part in replacement of, or in
substitution for, any such original Part, (ii) such Part is not required to be
incorporated or installed in or attached or added to such Airframe or Engine
pursuant to the terms of Section 5(d) or the first sentence of this Section 7(d)
or pursuant to the terms of any insurance policies required to be carried
hereunder or under any Applicable Law and (iii) such Part can be removed from
such Airframe or Engine without diminishing or impairing the value, condition,
utility, estimated residual value, remaining useful life or airworthiness which
such Airframe or Engine would have had at the time of removal had such
alteration, modification or addition not been effected by the Lessee (or such
Permitted Sublessee) assuming the Aircraft was otherwise maintained in the
condition required by this Lease. Upon the removal by the Lessee (or such
Permitted Sublessee) of any such Part as above provided, title thereto shall,
without further act, vest in the Lessee (or such Permitted Sublessee), in
"as-is, where-is" condition, free and clear of all rights of the Lessor and any
Lessor's Liens and such Part shall no longer be deemed a Part hereunder. Any
Part not removed by the Lessee (or a Permitted Sublessee) as above provided
prior to the return of the Airframe or respective Engine to the Lessor hereunder
shall remain the property of the Lessor; provided that nothing in this Section
7(d) shall prohibit the Lessee (or a Permitted Sublessee) from removing any
seats from the Aircraft (which seats while so removed shall remain in the
possession of the Lessee (or such Permitted Sublessee)) so long as the Aircraft
when returned to the Lessor pursuant to Section 12 hereof shall be in the
condition required thereby.

          (e) SUBSTITUTION OF ENGINES.

          So long as no Specified Default shall have occurred and be continuing,
the Lessee (or a Permitted Sublessee) shall have the right at its option at any
time, on at least 30 days' prior notice to the Lessor and the Owner Participant,
to substitute, and if an Event of Loss shall have occurred with respect to an
Engine under circumstances in which there has not occurred an Event of Loss with
respect to the Airframe, shall within 90 days of the occurrence of such Event of

                                      -16-
<Page>

Loss and on at least five days' prior notice to the Lessor substitute, a
Replacement Engine for any Engine not then installed or held for use on the
Airframe. In such event, immediately upon the effectiveness of such substitution
on the date set forth in such notice and without further act, (i) title to the
Replacement Engine shall thereupon vest in the Lessor free and clear of all
Liens (other than Permitted Liens), (ii) title to the replaced Engine shall
thereupon vest in the Lessee (or its designee), in "as-is, where-is" condition,
free and clear of all rights of the Lessor and any Lessor's Liens and shall no
longer be deemed an Engine hereunder, and (iii) such Replacement Engine shall
become subject to this Lease and be deemed part of the Aircraft for all purposes
hereof to the same extent as the Engine originally installed on or attached to
the Airframe. Upon the substitution of a Replacement Engine, the following
conditions shall be satisfied at the Lessee's sole cost and expense and the
parties agree to cooperate with the Lessee to the extent necessary to enable it
to timely satisfy such conditions:

               (i) the following documents shall be duly authorized, executed
          and delivered by the respective party or parties thereto, and an
          executed counterpart of each shall be delivered to the Lessor and the
          Owner Participant:

                    (A) a Lease Supplement covering the Replacement Engine,
               which shall have been duly filed for recordation with the FAA;

                    (B) a full warranty bill of sale (as to title), in form and
               substance satisfactory to the Lessor and the Owner Participant,
               covering the Replacement Engine, executed by the owner thereof in
               favor of the Lessor;

                    (C) "precautionary" Uniform Commercial Code financing
               statements as are deemed necessary or desirable by counsel for
               the Owner Participant to protect the ownership interests of the
               Owner Trustee in the Replacement Engine;

                    (D) an Officer's Certificate of the Lessee certifying that
               (i) in the case of a voluntary replacement only, no Specified
               Default shall have occurred and be continuing and (ii) (x) in the
               case of a voluntary replacement, the Replacement Engine has at
               least the same number of hours or cycles (whichever is
               applicable) of operation on such Replacement Engine remaining
               until the next scheduled life limited part replacement as the
               Engine it replaces, assuming such Engine had been maintained in
               the condition required hereunder; or (y) in the case of a
               mandatory replacement, the Lessee has not discriminated in its
               selection of the Replacement Engine (based on the leased status
               of the Aircraft);

                    (E) an opinion of qualified FAA counsel as to the due
               recordation of the Lease Supplement and all other documents or
               instruments the recordation of which is necessary to perfect and
               protect the rights of the Lessor in the Replacement Engine;

                                      -17-
<Page>

                    (F) to the extent that an engine warranty in respect of such
               Replacement Engine is available to the Lessee, an engine warranty
               assignment covering such Replacement Engine and a consent to such
               engine warranty assignment, in substantially the form of the
               Engine Warranty Assignment and Consent or otherwise in such form
               and substance satisfactory to the Lessor and the Owner
               Participant; and

                    (G) evidence that the insurance requirements of Section 9
               with respect to an Engine are satisfied and that the insurance
               covering such Replacement Engine shall be of the type usually
               carried by the Lessee (or, in the case of a voluntary
               replacement, such Permitted Sublessee) with respect to similar
               engines, and covering risks of the kind customarily insured
               against by the Lessee (or, in the case of a voluntary
               replacement, such Permitted Sublessee);

               (ii) the Lessee shall furnish (or cause to be furnished to) the
          Lessor and the Owner Participant with an opinion, reasonably
          satisfactory in form and substance to the Lessor and the Owner
          Participant, of the Lessee's counsel, which may be the Lessee's
          General Counsel or Associate General Counsel, to the effect that (x)
          such bills of sale or other documents reasonably requested by the
          Lessor or the Owner Participant are sufficient to convey title to such
          Replacement Engine to the Lessor and, (y) the Lessor is entitled to
          the benefits of Section 1110 with respect to such Replacement Engine
          to the same extent as with respect to the replaced Engine immediately
          preceding such replacement; and

               (iii) either (x) the Owner Participant shall have received an
          opinion of independent tax counsel (selected by the Owner Participant
          and reasonably acceptable to the Lessee), reasonably satisfactory to
          the Owner Participant, to the effect that there shall be no risk of
          adverse tax consequences resulting from such replacement (and the
          Owner Participant shall use its best efforts to cause a timely opinion
          to be delivered) or (y) the Lessee shall have provided, or caused to
          be provided, an indemnity in respect of any adverse tax consequences
          reasonably satisfactory (or, in the case of any voluntary
          substitution, satisfactory) in form and substance to the Owner
          Participant.

          Upon satisfaction of all conditions to such substitution, (x) the
Lessor shall, at the expense of the Lessee, execute and deliver to the Lessee
such bills of sale and other documents and instruments as the Lessee shall
reasonably request to evidence the transfer to the Lessee and vesting of all
right, title and interest in and to the replaced Engine in the Lessee, in
"as-is, where-is" condition, free and clear of all right, title and interest of
the Lessor and any Lessor's Liens; (y) the Lessor shall, at the request and
expense of the Lessee, assign to the Lessee all claims it may have against any
other Person relating to an Event of Loss giving rise to such substitution
(other than those in respect of insurance maintained by the Owner Participant
pursuant to Section 9(f)) and (z) the Lessee shall be entitled to receive all
insurance proceeds (other than those reserved to others under Section 9(f)
hereof) and proceeds in respect of any Event of Loss giving rise to such
replacement to the extent not previously applied to the purchase price of the
Replacement Engine as provided in Sections 9(e)(i) and 8(e)(ii).

                                      -18-
<Page>

Section 8. LOSS, DESTRUCTION OR REQUISITION.

          (a) EVENT OF LOSS WITH RESPECT TO THE AIRFRAME.

          Upon the occurrence of an Event of Loss with respect to the Airframe,
the Lessee shall forthwith (and in any event within 15 days after such
occurrence) give the Lessor and the Owner Participant notice of such Event of
Loss. The Lessee shall, within 60 days after such occurrence, give the Lessor
and the Owner Participant written notice of its election to perform one of the
following options (it being agreed that if the Lessee shall not have given the
Lessor such notice of such election, the Lessee shall be deemed to have elected
to perform the option identified in the following clause (ii)):

               (i) subject to the satisfaction of the conditions contained in
          Section 8(d), on a date not more than 150 days after the occurrence of
          the Event of Loss (or, if earlier, the last day of the Term), convey
          or cause to be conveyed to the Lessor, and to be leased by the Lessee
          hereunder in replacement of the Airframe and Engines with respect to
          which the Event of Loss occurred, a Replacement Airframe (together
          with the same number of Replacement Engines as the number of Engines,
          if any, which were subject to such Event of Loss), such Replacement
          Airframe and Replacement Engines to be free and clear of all Liens
          except Permitted Liens and to have a remaining useful life, estimated
          residual value, value and utility at least equal to the Airframe and
          Engines, if any, so replaced (assuming such Airframe and Engines were
          in the condition and repair required by the terms hereof) and to be an
          airframe that is the same model and same or later vintage as the
          Airframe to be replaced thereby, or an improved model; PROVIDED THAT,
          if the Lessee shall not perform its obligation to effect such
          replacement under this clause (i) during the 150-day period of time
          provided herein (or, if earlier, the last day of the Term), it shall
          give the Lessor and the Owner Participant notice to such effect upon
          or before the expiration of such period of time and shall promptly pay
          on the first Termination Date next following the thirtieth (30th) day
          after the date of such notice to the Lessor (or, if earlier, the last
          day of the Term), in immediately available funds, the amount specified
          in clause (ii) below; or

               (ii) pay or cause to be paid to the Lessor in immediately
          available funds, on a date specified at least 30 days in advance by
          the Lessee, which date shall be a Termination Date not later than the
          earlier to occur of 150 days after the occurrence of the Event of Loss
          or 3 days following receipt of insurance proceeds in respect of such
          Event of Loss, an amount equal to (A) the arrears portion, if any, of
          Basic Rent payable on such Termination Date, together with all unpaid
          Basic Rent, if any, payable before such Termination Date, plus (B) all
          unpaid Supplemental Rent (other than Termination Value) due on or
          before such payment date, plus (C) the Termination Value for the
          Aircraft determined as of such Termination Date or, if such
          Termination Date is beyond the end of the Term, the Termination Value
          as of the last Termination Date of the Term plus (D) all reasonable
          out-of-pocket expenses (including reasonable attorneys' fees) incurred
          by the Lessor or the Owner Participant in connection with such Event
          of

                                      -19-
<Page>

          Loss plus (E) if such Termination Date is beyond the end of the Term,
          interest on the amount of such payment, at a rate per annum equal to
          the Past Due Rate identified on Exhibit B, for the period from and
          including the last day of the Term to but excluding such Termination
          Date.

          (b) EFFECT OF REPLACEMENT.

          Should the Lessee have provided a Replacement Aircraft as provided for
in Section 8(a)(i), (i) this Lease shall continue with respect to such
Replacement Aircraft as though no Event of Loss had occurred; (ii) the Lessor
shall, at the expense of Lessee, convey "as-is, where-is", without recourse or
warranty except for a warranty against Lessor's Liens, to the Lessee all right,
title and interest of the Lessor, in and to the Airframe and the Engine or
Engines, if any, installed on the Airframe upon the occurrence of the Event of
Loss by executing and delivering to the Lessee such bills of sale and other
documents and instruments as the Lessee may reasonably request to evidence such
conveyance; (iii) the Lessor shall, at the request and expense of Lessee, assign
to the Lessee all claims it may have against any other Person arising from the
Event of Loss (except with respect to insurance obtained in accordance with
Section 9(f)) and (iv) the Lessee shall be entitled to receive all insurance
proceeds (other than those reserved to others under Section 9(f)) and proceeds
from any award in respect of condemnation, confiscation, seizure or requisition,
including any investment interest thereon, to the extent not previously applied
to the purchase price of the Replacement Aircraft as provided in Sections
9(e)(iii) and 8(e)(i).

          (c) EFFECT OF TERMINATION VALUE PAYMENT.

          In the event of a payment in full of the Termination Value for the
Aircraft and other Rent payable as provided in Section 8(a)(ii), (i) this Lease
and the obligations of the Lessee to pay Rent (except for Supplemental Rent
obligations which survive pursuant to Section 3(c) and Articles 6 and 7 of the
Participation Agreement or the Tax Indemnity Agreement or which have accrued but
have not otherwise been paid as of the date of such payment) shall terminate and
the Term shall end, (ii) any remaining insurance proceeds (other than those
reserved to others under Section 9(f)), including any investment interest
thereon, shall be promptly paid over to the Lessee; and (iii) the Lessor, at the
expense of Lessee, shall convey, "as-is, where-is" without recourse or warranty,
except for a warranty against Lessor's Liens attributable to Lessor and Owner
Participant, to the Lessee all right, title and interest of the Lessor in and to
the Airframe and Engines and shall execute and deliver to the Lessee such bills
of sale and other documents and instruments as the Lessee may reasonably request
to evidence such conveyance.

          (d) CONDITIONS TO AIRFRAME REPLACEMENT.

          The Lessee's right to substitute a Replacement Aircraft as provided in
Section 8(a)(i) shall be subject to the fulfillment, at the Lessee's sole cost
and expense, in addition to the conditions contained in such Section 8(a)(i), of
the following conditions precedent:

               (i) On the date when the Replacement Aircraft is delivered to the
          Lessor (such date being referred to in this Section 8(d) as the
          "Replacement Closing Date"), no Specified Default shall have occurred
          and be continuing and

                                      -20-
<Page>

          the Lessor and the Owner Participant shall have received an Officer's
          Certificate so certifying;

               (ii) On the Replacement Closing Date the following documents
          shall have been duly authorized, executed and delivered by the
          respective party or parties thereto and shall be in full force and
          effect, and an executed counterpart of each thereof (or, in the case
          of the FAA Bills of Sale (or a comparable document, if any, of another
          Aeronautical Authority, if applicable) referred to below, a photocopy
          thereof) shall have been delivered to the Lessor and the Owner
          Participant:

                    (A) a Lease Supplement covering the Replacement Aircraft,
               which shall have been duly filed for recordation with the FAA;

                    (B) an FAA Bill of Sale (or a comparable document, if any,
               of another Aeronautical Authority, if applicable) covering the
               Replacement Aircraft, executed by the owner thereof in favor of
               the Lessor, and dated the Replacement Closing Date;

                    (C) a full warranty (as to title) bill of sale, in form and
               substance satisfactory to the Owner Participant and the Lessor,
               covering the Replacement Aircraft, executed by the owner thereof
               in favor of the Lessor, dated the Replacement Closing Date and
               guaranteed by the Lessee;

                    (D) such "precautionary" Uniform Commercial Code financing
               statements as are deemed necessary or desirable by counsel for
               the Owner Participant to protect the ownership interests of the
               Owner Trustee in the Replacement Aircraft; and

                    (E) an Officer's Certificate of the Lessee certifying that
               (i) the Replacement Aircraft is an Embraer model EMB-145LR
               aircraft of a more advanced model, is in as good operating
               condition as, and has a value, remaining useful life, estimated
               residual value and utility at least equal to, the Aircraft it
               replaces, assuming such Aircraft had been maintained in the
               condition required hereunder and (ii) in the event the Event of
               Loss occurs after the fifth anniversary of the Delivery Date, the
               Replacement Airframe shall have no more than 105% of the total
               hours of operation, as compared to the Airframe it replaces;

               (iii) On or before the Replacement Closing Date, the Lessor and
          the Owner Participant (acting directly or by authorization to their
          respective special counsel) shall have received such documents and
          evidence with respect to the Lessee, the Lessor, the Owner Participant
          or the owner of such Replacement Aircraft, as the Lessor or its
          special counsel may reasonably request in order to establish the
          consummation of the transactions contemplated by Section 8(a)(i) and
          this Section 8(d), the taking of all necessary corporate action in
          connection

                                      -21-
<Page>

          therewith and compliance with the conditions set forth in this Section
          8(d), in each case in form and substance reasonably satisfactory to
          the Lessor and the Owner Participant;

               (iv) The Lessor and the Owner Participant (acting directly or by
          authorization to their respective special counsel) shall each have
          received satisfactory evidence as to the compliance with Section 9
          hereof with respect to the Replacement Aircraft;

               (v) On the Replacement Closing Date, (A) the Lessor shall receive
          good title to the Replacement Aircraft free and clear of Liens (other
          than Permitted Liens), (B) the Replacement Aircraft shall have been
          duly certified by the Aeronautical Authority as to type and
          airworthiness in accordance with the terms of this Lease, and (C)
          application for registration of the Replacement Aircraft in accordance
          with Section 5(e) shall have been duly made with the Aeronautical
          Authority;

               (vi) The Owner Participant shall have received an appraisal
          reasonably satisfactory to it with respect to the Replacement
          Aircraft;

               (vii) The Lessor and the Owner Participant shall have received
          (acting directly or by authorization to its special counsel) (A) an
          opinion, satisfactory in form and substance to the Lessor and the
          Owner Participant, of counsel to the Lessee (which may be the Lessee's
          General Counsel) to the effect that (x) the bill of sale referred to
          in clause (ii)(D) above constitutes an effective instrument for the
          conveyance of title to the Replacement Airframe and Replacement
          Engines, if any, to the Lessor, (y) all documents executed and
          delivered by the Lessee pursuant to this Section 8(d) have been duly
          authorized, executed and delivered by the Lessee and constitute legal,
          valid and binding obligations of, and are enforceable against, the
          Lessee in accordance with their respective terms, and (z) the Lessor
          is entitled to the benefits of Section 1110 with respect to such
          Replacement Aircraft to the same extent as with respect to the
          replaced Aircraft immediately preceding such replacement; and (B) an
          opinion of qualified FAA counsel (or counsel in such jurisdiction
          outside of the United States where the Aircraft may be registered in
          accordance with Section 5(e)), as to, in the case of FAA counsel, the
          due recordation of the Lease Supplement and all other documents or
          instruments the recordation of which is necessary to perfect and
          protect the rights of the Lessor in the Replacement Aircraft or, in
          the case of counsel in another jurisdiction, the taking of all action
          necessary in such jurisdiction for such purposes;

               (viii) the Lessor shall be entitled to the benefits of Section
          1110 with respect to such Replacement Aircraft to the same extent as
          with respect to the replaced Aircraft immediately preceding such
          replacement; and

               (ix) Either(1) the Owner Participant shall have received an
          opinion of independent tax counsel (selected by the Owner Participant
          and reasonably

                                      -22-
<Page>

          acceptable to the Lessee), reasonably satisfactory to the Owner
          Participant, to the effect that there shall be no risk of adverse tax
          consequences resulting from such replacement (and the Owner
          Participant shall use its best efforts to cause a timely opinion to be
          delivered) or (2) the Lessee shall have provided, or caused to be
          provided, an indemnity in respect of any adverse tax consequences in
          form and substance satisfactory to the Owner Participant.

          Lessee shall reimburse the Lessor and the Owner Participant for all
reasonable out-of-pocket costs (including reasonable attorneys' fees) incurred
by them in connection with any substitution of a Replacement Aircraft pursuant
to this Section 8.

          (e) NON-INSURANCE PAYMENTS RECEIVED ON ACCOUNT OF AN EVENT OF LOSS.

          As between the Lessor and the Lessee, any payments on account of an
Event of Loss (other than insurance proceeds or other payments the application
of which is provided for in this Section 8 or elsewhere in this Lease, as the
case may be, or payments in respect of damage to the business or property of the
Lessee) with respect to the Aircraft, an Engine or any Part received at any time
by the Lessor or by the Lessee from any governmental authority or other Person
will be applied as follows:

               (i)   if such payments are received with respect to an Event of
          Loss as to the Aircraft, and the Airframe or the Airframe and the
          Engines or engines installed thereon are being replaced by the Lessee
          pursuant to Section 8(a)(i), such payments shall be paid over to, or
          retained by, the Lessee, PROVIDED that if the Lessee has not completed
          such replacement, such payments shall be paid over to, or retained by,
          the Lessor as security, and upon completion of, or in connection with
          a closing for, such replacement, be paid over to or retained by the
          Lessee;

               (ii)  if such payments are received with respect to an Event of
          Loss to an Engine that has been or is being replaced by the Lessee
          pursuant to the terms hereof, such payments shall be paid over to, or
          retained by, the Lessee, PROVIDED that if the Lessee has not completed
          such replacement, such payments shall be paid over to, or retained by,
          the Lessor as security, and upon completion of, or in connection with
          a closing for, such replacement, be paid over to or retained by the
          Lessee; and

               (iii) if such payments are received with respect to an Event of
          Loss as to the Aircraft, and if the Airframe or the Airframe and the
          Engines or engines installed thereon have not been and will not be
          replaced as contemplated by Section 8(a), (x) so much of such payments
          as shall not exceed the Termination Value required to be paid by the
          Lessee pursuant to Section 8(a) hereof shall be applied in reduction
          of the Lessee's obligation to pay such Termination Value and other
          amounts, to the extent not already paid by the Lessee, and, after the
          Termination Value and all amounts required to be paid to the Lessor
          pursuant to Section 8(a)(ii) above shall be paid in full, shall be
          applied to reimburse the Lessee for such Termination Value up to the
          full amount thereof, and (y) the balance, if any, of such payment
          remaining thereafter shall be applied to

                                      -23-
<Page>

          reimburse the Lessee, the Owner Participant and the Lessor for their
          reasonable costs (including attorney's fees), if any, of procuring
          such payments, and (z) the balance remaining, if any, shall then be
          distributed between the Lessor and the Lessee as their interests may
          appear.

          (f) REQUISITION FOR USE.

          In the event of a requisition for use by any government during the
Term of the Airframe and the Engines, if any, or engines installed on the
Airframe (including the Government pursuant to the CRAF Program), the Lessee
shall promptly notify the Lessor and the Owner Participant of such requisition
and, if the same does not constitute an Event of Loss, all of the Lessee's
obligations under this Lease shall continue to the same extent as if such
requisition had not occurred except to the extent that the performance or
observance of any obligation by the Lessee shall have been prevented or delayed
by such requisition, provided that the Lessee's obligations for the payment of
money and under Section 9 (except, in the case of Section 9, while an assumption
of liability by the government of the United States of the scope referred to in
Section 5(c) is in effect) and Section 12 shall not be reduced, delayed or
affected by such requisition. Any payments received by the Lessor or the Lessee
from such government with respect to the use of such Airframe or Engines during
the Term shall be paid over to, or retained by, the Lessee and any payments
received by the Lessor or Lessee from such government with respect to the use of
the Airframe or Engines after the Term shall be paid over to, or retained by,
Lessor. In the event of an Event of Loss of an Engine resulting from the
requisition for use by a government of such Engine (but not the Airframe), the
Lessee will replace such Engine hereunder by complying with the terms of Section
7(e) and any payments received by the Lessor or the Lessee from such government
with respect to such requisition shall be paid over to, or retained by, the
Lessee.

          (g) CERTAIN PAYMENTS TO BE HELD AS SECURITY.

          Any amount referred to in this Section 8 or Section 9 hereof which is
payable to the Lessee shall not be paid to the Lessee, or, if it has been
previously paid directly to the Lessee, shall not be retained by the Lessee, if
at the time of such payment a Specified Default shall have occurred and be
continuing, but shall be paid to and held by the Lessor as security for the
obligations of the Lessee under this Lease, unless and until applied by Lessor
to Lessee's obligations and at such time as there shall not be continuing any
such Specified Default, such amount and any gain realized as a result of
Permitted Investments required to be made pursuant to Section 15 shall to the
extent not so applied be paid over to the Lessee.

Section 9. INSURANCE.

          (a) PUBLIC LIABILITY AND PROPERTY DAMAGE INSURANCE.

          Subject to the rights of the Lessee under Section 9(d), the Lessee
shall, without expense to the Lessor, maintain or cause to be maintained in
effect at all times during the Term with insurers of nationally or
internationally recognized responsibility public liability insurance (including,
without limitation, aircraft third party, passenger legal liability, property
damage, general third party legal liability and product liability coverage but
excluding manufacturer's

                                      -24-
<Page>

product liability coverage) with respect to the Aircraft in an amount not less
than the greater of (i) the amount which Lessee may carry from time to time on
other similar aircraft in its fleet (whether owned or leased) and (ii) the
Minimum Liability Amount; provided that an agreement of the Government for the
benefit of the Additional Insureds to insure against or indemnify for
substantially the same risks to at least the same amount shall satisfy the
requirements of this Section 9(a), PROVIDED that on or prior to the date of such
agreement, the Lessee shall provide an Officer's Certificate of the Lessee
certifying that any such insurance or indemnity provides protection no less
favorable than insurance coverage that would comply with this Section 9. Such
insurance shall be of the type usually carried by the Lessee with respect to
similar aircraft and engines, and covering risks of the kind customarily insured
against by the Lessee.

          During any period that the Aircraft is grounded and not in operation,
the Lessee may modify the insurance required by this Section 9(a) to modify the
amounts of public liability and property damage insurance, the scope of the
risks covered and the type of insurance, in all circumstances to conform to such
insurance customary in the United States airlines industry for regional air
carriers similarly situated with the Lessee in respect of similar aircraft which
are grounded, not in operation, and stored or hangared, except that in all
instances, the amounts of coverage and scope of risk covered and the type of
insurance shall be at a minimum no less favorable than the insurance as from
time to time applicable to aircraft owned or leased by Lessee on the ground, not
in operation, and stored or hangared.

          (b) INSURANCE AGAINST LOSS OR DAMAGE TO THE AIRCRAFT AND ENGINES.

          Subject to the rights of the Lessee under Section 9(d), the Lessee
shall, without expense to the Lessor or the Owner Participant, maintain or cause
to be maintained in effect at all times during the Term with insurers of
nationally recognized responsibility (i) all risk, agreed value, ground and
flight hull insurance, which may, except as provided below, exclude war risks
and allied perils, covering the Aircraft for an amount at all times (even when
the Aircraft is grounded or in storage) not less than the Termination Value from
time to time; PROVIDED THAT, neither the Lessee nor any Permitted Sublessee
shall be required to maintain all-risk flight aircraft hull insurance with
respect to any period in which the Aircraft is grounded and properly stored or
hangared. Such insurance shall not provide insurers with a right to replace the
Airframe or any Engine with another airframe or Engine. Such hull insurance or
other personal property insurance of the Lessee (or a Permitted Sublessee) shall
cover Engines or engines and Parts temporarily removed from the Airframe,
pending replacement by installation of the same or similar Engines, engines or
Parts on the Airframe. Such insurance shall be of the type usually carried by
the Lessee with respect to similar aircraft and engines, and covering risks of
the kind customarily insured against by the Lessee. If and to the extent that
the Lessee or a Permitted Sublessee operates the Aircraft (A) on routes where it
maintains war risk, hijacking or allied perils insurance in effect with respect
to other similar owned or leased aircraft in its fleet, (B) on routes (other
than routes within the United States, Canada, Mexico, Bermuda and islands other
than Cuba in the Caribbean Basin) where the custom in the industry is to carry
war risk insurance or (C) in any area of recognized hostilities, the Lessee or
such Permitted Sublessee shall maintain or cause to be maintained such insurance
in effect with respect to the Aircraft in the amount at least equal to
Termination Value from time to time. An agreement by the Government to insure
against or indemnify for substantially the same risks to at least the same
amount will satisfy any of the requirements of this Section 9(b).

                                      -25-
<Page>

          (c) ADDITIONAL INSUREDS; LOSS PAYMENT.

          The Lessee shall cause all policies of insurance carried in accordance
with this Section 9 to name the Additional Insureds as their respective
interests may appear as additional insureds. Such policies shall provide with
respect to such Additional Insureds that (i) none of their respective interests
in such policies shall be invalidated by any act or omission or breach of
warranty or condition contained in such policies by the Lessee or, in the case
of any particular Additional Insured, any other Additional Insured; (ii) no
cancellation or lapse of coverage for nonpayment of premium or otherwise, and no
substantial change of coverage which adversely affects the interests of any such
Additional Insured, shall be effective as to such Additional Insured until 30
days (or such lesser period as may be applicable in the case of any war risk
coverage) after receipt by such Additional Insured of written notice from the
insurers of such cancellation, lapse or change; (iii) they shall have no
liability for premiums, commissions, calls, assessments or advances with respect
to such policies; (iv) such policies will be primary without any right of
contribution from any other insurance carried by such Additional Insureds; (v)
the insurers waive any rights of set-off, counterclaim, deduction or subrogation
against such Additional Insureds; (vi) shall apply worldwide and have no
territorial restrictions or limitations (except, in the case of war, hijacking
or related perils insurance, as otherwise permitted hereunder); and (vii) shall
contain a 50/50% Clause per Lloyd's Aviation Underwriter's Association Standard
Policy Form AVS 103. Each liability policy shall provide that all the provisions
thereof, except the limits of liability, shall operate in the same manner as if
there were a separate policy covering each insured and provide that the exercise
by the insurer of rights of subrogation derived from rights retained by the
Lessee will not delay payment of any claim that would otherwise be payable but
for such rights of subrogation. Each hull policy shall name the Lessor as loss
payee; provided that, so long as the insurers shall not have received written
notice that a Specified Default has occurred and is continuing, if insurance
proceeds in the aggregate equal $1,250,000 or less become payable, then such
proceeds shall be payable to the Lessee and, notwithstanding the foregoing, any
amounts up to Termination Value (i) of any proceeds which in the aggregate
exceed $1,250,000, (ii) of any proceeds in respect of an Event of Loss or (iii)
if the insurers shall have received written notice that an Event of Default has
occurred and is continuing, any proceeds with respect to any single loss, shall
be payable to such loss payee.

          (d) DEDUCTIBLES AND SELF-INSURANCE.

          Beginning five (5) years after the Delivery Date, the Lessee may from
time to time self-insure, by way of deductible or premium adjustment provisions
in insurance policies or otherwise, the risks required to be insured against
pursuant to this Section 9 in such amounts as are then self-insured with respect
to similar owned or leased aircraft in the Lessee's fleet but in no case shall
such self-insurance in the aggregate exceed, on a per occurrence or on fleetwide
basis, an amount equal to 5% of the Lessee's tangible net worth, calculated as
at the end of the Lessee's immediately preceding fiscal year (but in no event to
exceed $10,000,000). A deductible per occurrence that is not in excess of the
prevailing standard market deductible for similar aircraft shall be permitted,
for each aircraft in the Lessee's fleet, in addition to such self-insurance.

                                      -26-
<Page>

          (e) APPLICATION OF HULL INSURANCE PROCEEDS.

          Subject to Section 8(g), as between the Lessor and the Lessee, any
payments received under policies of hull or other property insurance required to
be maintained by the Lessee pursuant to Section 9(b), shall be applied as
follows:

               (i)  if such payments are received with respect to loss or damage
          (including an Event of Loss with respect to an Engine) not
          constituting an Event of Loss with respect to the Airframe, payments
          in the aggregate of $1,250,000 or less shall be paid over to or
          retained by the Lessee and, subject to Section 9(c), any payments
          which in the aggregate are greater than $1,250,000 shall be paid over
          to or retained by the Lessor for payment to the Lessee only upon
          performance of its repair or replacement obligation;

               (ii)  if such payments are received with respect to an Event of
          Loss with respect to the Airframe and the Airframe is not being
          replaced by the Lessee pursuant to Section 8(a)(i), so much of such
          payments as shall not exceed the Termination Value and other amounts
          required to be paid by the Lessee pursuant to Section 8(a)(ii) shall
          be applied in reduction of the Lessee's obligation to pay such amounts
          if not already paid by the Lessee, and to reimburse the Lessee if such
          amounts shall have been paid, and the balance, if any, of such
          payments shall be promptly paid over to or retained by the Lessee; and

               (iii) if such payments are received with respect to the Airframe
          or the Airframe and Engines or engines installed thereon and the
          Airframe is being replaced by the Lessee pursuant to Section 8(a)(i),
          such payments shall be paid over to, or retained by the Lessee,
          provided that if the Lessee has not completed such replacement and the
          performance of all other obligations under Section 8(d), such payments
          shall be paid over to, or retained by, the Lessor as security, and
          upon completion of, or in connection with a closing for, such
          replacement, be paid over to or retained by the Lessee.

          (f) INSURANCE FOR OWN ACCOUNT.

          Nothing in this Section 9 shall prohibit the Lessor, the Owner
Participant, the Lessee or any Additional Insured from obtaining insurance with
respect to the Aircraft for its own account (including, without limitation, in
the case of the Lessee, hull insurance under the same policies maintained
pursuant to this Section 9 in amounts in excess of those required to be
maintained pursuant to this Section 9) and any proceeds payable thereunder shall
be payable as provided in the insurance policy relating thereto, provided that
no such insurance may be obtained which would limit or otherwise adversely
affect the availability of coverage or payment of any insurance required to be
obtained or maintained pursuant to this Section 9, it being understood that all
salvage rights to the Airframe or the Engines shall remain with the Lessee's
insurers at all times.

                                      -27-
<Page>

          (g) REPORTS, ETC.

          Lessee will furnish to the Lessor and the Owner Participant (A) on or
prior to the Delivery Date, insurance certificates describing in reasonable
detail the insurance maintained by Lessee as required pursuant to this Section
9, (B) prior to the cancellation, lapse or expiration of the insurance policies
required pursuant to this Section 9, evidence of renewal of such insurance
policies, and (C) on or prior to the Delivery Date and on or before the renewal
dates of the insurance policies carried by the Lessee pursuant to this Section
9, a report signed by a firm of aircraft insurance brokers, not affiliated with
the Lessee, appointed by the Lessee and reasonably satisfactory to the Lessor,
stating the opinion of such firm that all premiums in connection with the
insurance then due have been paid and the insurance then carried and maintained
on the Aircraft complies with the terms hereof and, in the case of renewal
insurance, that such renewal insurance will on and after the effective date
thereof so comply with the terms hereof, PROVIDED that all information contained
in such report shall be held confidential by the Lessor and the Owner
Participant, and shall not be furnished or disclosed by them to anyone except
their legal counsel, insurance brokers or advisors, bona fide prospective
transferees of the Owner Participant and their respective agents (PROVIDED that
they shall agree for the benefit of the Lessee to hold all such information
similarly confidential) or as may be required by Applicable Law. The Lessee will
instruct such firm to give prompt written advice to the Lessor and the Owner
Participant of any default in the payment of any premium and of any other act or
omission on the part of the Lessee of which it has knowledge and which would in
such firm's opinion invalidate or render unenforceable, in whole or in any
material part, any insurance on the Aircraft. The Lessee will also instruct such
firm to advise the Lessor and the Owner Participant in writing at least 30 days
prior to the termination or cancellation of, or material adverse change in, such
insurance carried and maintained on the Aircraft pursuant to this Section 9 (or
such lesser period as may be applicable in the case of war risk coverage).

          (h) RIGHT TO PAY PREMIUMS.

          The Additional Insureds shall have the rights but not the obligations
of an additional named insured. None of Lessor, Owner Participant and the other
Additional Insureds shall have any obligation to pay any premium, commission,
assessment or call due on any such insurance (including reinsurance).
Notwithstanding the foregoing, in the event of cancellation of any insurance due
to the nonpayment of premiums, each of Lessor, Owner Participant and the other
Additional Insureds shall have the option, in its sole discretion, to pay any
such premium in respect of the Aircraft that is due in respect of the coverage
pursuant to this Lease and to maintain such coverage, as Lessor, Owner
Participant or the other Additional Insureds may require, until the scheduled
expiry date of such insurance and, in such event, Lessee shall, upon demand,
reimburse Lessor, Owner Participant and the other Additional Insureds for
amounts so paid by them.

Section 10. LIENS.

          The Lessee shall not during the Term directly or indirectly create,
incur, assume or suffer to exist any Lien on or with respect to the Aircraft,
Airframe, any Engine or any Part or title thereto or any interest therein or in
this Lease except (a) the respective rights of the Lessor and the Lessee as
provided herein and the rights of the parties to the other Operative

                                      -28-
<Page>

Agreements; (b) the rights of others under agreements or arrangements to the
extent expressly permitted in Sections 5(b) and 7(c); (c) Liens for Taxes either
not yet due or being contested in good faith by appropriate proceedings so long
as such proceedings do not involve any non-de minimis risk of the sale,
forfeiture or loss of the Aircraft, Airframe or an Engine or the interest of
Owner Participant therein or any risk of criminal liability or any material risk
of civil penalty against Lessor or Owner Participant; (d) Liens of suppliers,
mechanics, workers, repairers, employees, airport operators, air traffic control
authorities or other like Liens arising in the ordinary course of business and
for amounts the payment of which is either not yet delinquent or is being
contested in good faith (and for the payment of which adequate reserves have
been provided) by appropriate proceedings, so long as such proceedings do not
involve a non-de minimis risk of the sale, forfeiture or loss of the Airframe or
an Engine or the interest of Owner Participant therein or any risk of criminal
liability or any material risk of civil penalty against Lessor or Owner
Participant; (e) Liens arising out of judgments or awards against the Lessee so
long as there shall be in effect with respect to which a stay of execution; (f)
Lessor's Liens; (g) salvage and similar rights of insurers under policies of
insurance maintained with respect to the Aircraft; (h) Liens with respect to
which the Lessee (or any sublessee) has provided a bond or other security
adequate in the good faith opinion of the Lessor and the Owner Participant; and
(i) a Permitted Security Interest. Liens described in clauses (a) through (i)
above are referred to herein as "Permitted Liens." The Lessee shall promptly, at
its own expense, take such action as may be necessary to duly discharge (by
bonding or otherwise) any Lien other than a Permitted Lien arising at any time
during the Term.

Section 11. RECORDATION AND FURTHER ASSURANCES.

          (a) RECORDATION OF LEASE.

          The Lessee shall cause this Lease, any Lease Supplements, and any and
all additional instruments which shall be executed pursuant to the terms hereof
to be kept, filed and recorded and to be re-executed, refiled and re-recorded at
all times during the Term with the FAA or other Aeronautical Authority to the
extent required to perfect and preserve the Lessor's interest in the Aircraft.

          (b) FURTHER ASSURANCES.

          The Lessee and the Lessor will each promptly and duly execute and
deliver to the other such further documents and assurances and take such further
action as the other may from time to time reasonably request in order to more
effectively carry out the intent and purpose of this Lease and to establish and
protect the rights and remedies created or intended to be created in favor of
the Lessor and the Lessee hereunder, including, without limitation, if requested
by the Lessor or the Lessee, the execution and delivery of supplements or
amendments hereto, in recordable form, subjecting any replacement or substituted
aircraft or engine to this Lease and the recording or filing of counterparts
hereof, or of financing statements with respect hereto.

          (c) MARKINGS.

          If permitted by Applicable Law, on or reasonably promptly after the
Delivery Date, Lessee will cause to be affixed to, and maintained in, the
cockpit of the Airframe, in a

                                      -29-
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clearly visible location (it being understood that the location of such placard,
as identified to the Owner Participant prior to the Delivery Date, shall be
deemed to be in compliance with this requirement), a placard of a reasonable
size and shape bearing the legend, in English, set forth below:

                                   Leased from
                   First Security Bank, National Association,
                         not in its individual capacity
                  but solely as Owner Trustee, Owner and Lessor

          Such placard may be removed temporarily, if necessary, in the course
of maintenance of the Airframe. If such placard is damaged or becomes illegible,
Lessee shall promptly replace it with a placard complying with the requirements
of this Section 11(c).

Section 12. RETURN OF AIRCRAFT AND RECORDS.

          (a) RETURN OF AIRCRAFT.

          Upon the termination of this Lease at the expiration of the Term or
upon the earlier termination of this Lease pursuant to the terms hereof, unless
the Lessee shall purchase the Aircraft or there shall have been an Event of Loss
with respect to the Aircraft, the Lessee, at its own expense, shall, except as
otherwise expressly provided herein, return the Airframe by delivering the same
to the Lessor in the continental United States of America at a location on the
Lessee's jet route system chosen by the Lessor, and otherwise in compliance with
conditions required by the provisions of this Section 12, fully equipped with
two Engines or other engine meeting the requirements of Replacement Engines duly
installed thereon.

          (b) RETURN OF OTHER ENGINES.

          In the event any engine not owned by the Lessor shall be returned with
the Airframe, such engine shall satisfy the requirements for a Replacement
Engine (and, in any event, the two engines returned shall be of the same model),
shall be free and clear of all Liens other than Lessor's Liens and shall have a
value, remaining useful life, utility and condition at least as great as the
Engine replaced (assuming such Engine was maintained in accordance with the
terms hereof) and the Lessee shall, at its own expense and concurrently with
such return, furnish the Lessor with (i) a full warranty bill of sale guaranteed
by Lessee, in form and substance reasonably satisfactory to the Lessor and the
Owner Participant, (ii) an Officer's Certificate as described in Section
7(e)(i)(D), and (iii) an opinion of counsel to the Lessee as described in
Section 7(e)(ii), with respect to each such engine and shall take such other
action as required by Section 7(e) to cause such engine to be a Replacement
Engine or as the Lessor may reasonably request in order that such engine shall
be duly and properly titled in the Lessor free and clear of all Liens other than
Lessor's Liens. Upon passage of title such engine shall be deemed to be an
Engine for all purposes hereof and thereupon the Lessor will transfer to the
Lessee, in "as-is, where is" condition, without recourse or warranty except a
warranty against Lessor's Liens, all right, title and interest of the Lessor or
any Affiliate in and to an Engine not installed on the Airframe at the time of
the return thereof.

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<Page>

          (c) FUEL; RECORDS.

          Upon the return of the Aircraft, (i) the Lessor shall have no
obligation with respect to the amount of fuel or oil contained in the Airframe
and (ii) the Lessee shall deliver to the Lessor all logs, manuals, certificates
and inspection, modification and overhaul records which are required to be
maintained with respect thereto under applicable rules and regulations of the
FAA and DOT.

          (d) CONDITION OF AIRCRAFT.

          The Aircraft when returned to the Lessor shall be in the operating
condition required by Exhibit F-1 or F-2, as applicable.

          (e) FAILURE TO RETURN. If Lessee shall, for any reason whatsoever,
fail to return the Aircraft and the documents referred to in Section 12(c)(ii)
at the time and place and in the condition specified herein, all obligations of
Lessee under this Lease shall continue in effect with respect to the Aircraft
until the Aircraft is so returned to Lessor and Lessee shall pay to Lessor an
amount equal to the average daily Basic Rent payable by Lessee during the Term
for each day after the end of the Term to but excluding the day of such return;
PROVIDED, HOWEVER, that this Section 12(e) shall not be construed as permitting
Lessee to fail to meet its obligations to return the Aircraft or the documents
referred to in Section 12(c)(ii) in accordance with the requirements hereof or
constitute, or be deemed to constitute, a waiver of any Event of Default
resulting from Lessee's failure to return the Aircraft or such documents or
otherwise; and PROVIDED, FURTHER, that Lessee shall not be responsible for
Lessor's failure to accept return of the Aircraft and the documents referred to
in Section 12(c)(ii) in accordance with the requirements hereof in a timely
manner or for any rent with respect to periods after Lessee has tendered the
Aircraft and the documents referred to in Section 12(c)(ii) for return in
accordance with this Lease, provided however that if Lessor's inspection of the
Aircraft and the documents referred to in Section 12(c)(ii), which inspection
shall be conducted in good faith and timely manner, reveals any discrepancy from
the condition required by the provisions of this Section 12, Lessee shall
continue to pay rent in accordance with this Section 12(e) until the Aircraft
and the documents referred to in Section 12(c)(ii) are returned to the Lessor in
accordance with this Lease. Any rent owed to Lessor pursuant to this Section
12(e) shall be payable upon acceptance of the Aircraft and the documents
referred to in Section 12(c)(ii) by Lessor.

          (f) STORAGE AND RELATED MATTERS.

          If Lessor gives written notice to Lessee not less than 60 days nor
more than 180 days prior to the end of the Term requesting storage of the
Aircraft upon its return hereunder, Lessee will provide Lessor, or cause Lessor
to be provided, with outdoor parking facilities for the Aircraft at the airport
where the Aircraft is returned for a period up to 60 days, commencing on the
date of such return at Lessor's expense; provided, that if such termination
occurs as a result of an Event of Default, such storage shall be at the Lessee's
expense. Lessee shall maintain in effect during such storage period insurance
covering the Aircraft to the extent such insurance is available at reasonable
commercial rates, and in such amounts and against such risks as would be
customarily carried in similar circumstances by a reasonably prudent lessor,
with such insurance being paid for by the Lessor; provided, that if such
termination occurs as a result

                                      -31-
<Page>

of an Event of Default, the Lessee will cooperate with the Lessor in obtaining
such insurance at the Lessee's expense.

Section 13. RENEWAL OPTION AND PURCHASE OPTIONS.

          (a) RENEWAL TERMS.

          Subject to the final sentence of this Section 13(a), upon expiration
of the Basic Term, the Lessee shall have the right to extend this Lease for
successive periods of one year each (each a "Fixed Renewal Term"), but for not
more than an aggregate of two years. Subject to the final sentence of this
Section 13(a), at the end of the second Fixed Renewal Term (provided that the
Lessee shall have elected to extend this Lease for such Fixed Renewal Term), the
Lessee shall have the right to extend this Lease for up to two successive
periods of one year each (each a "Fair Market Value Renewal Term"; each Fixed
Renewal Term and each Fair Market Value Renewal Term, being hereinafter
sometimes called a "Renewal Term") provided that the aggregate term of all
Renewal Terms shall not exceed four years. A Fixed Renewal Term will commence at
the end of the Basic Term or the preceding Fixed Renewal Term, as the case may
be and a Fair Market Value Renewal Term will commence at the end of the second
Fixed Renewal Term (provided that the Lessee shall have elected to extend this
Lease for such Fixed Renewal Term) or at the end of the first Fair Market Value
Renewal Term, as the case may be. Such right to extend this Lease shall be
exercised upon notice to the Lessor, specifying the nature of the Renewal Term,
not less than 210 days nor more than 365 days before the expiration of the Basic
Term or the preceding Renewal Term, as the case may be. Such notice shall be
irrevocable except that in the event the Lessee gives such notice to the Lessor
240 or more days before the end of the Basic Term or the Renewal Term then in
effect, as the case may be, the Lessee may revoke its election to extend this
Lease within 15 days following the determination of the Fair Market Rental Value
of the Aircraft but in no event later than 210 days prior to the end of the
Basic Term or the preceding Renewal Term, as the case may be. If the Lessee
requests a determination of Fair Market Rental Value at least 240 days before
the expiration of the Basic Term or a Renewal Term, as the case may be, the
Lessor and the Lessee shall comply in a timely manner with their respective
obligations under the definition of "Fair Market Rental Value" to allow any
appraisal of Fair Market Rental Value to be completed in sufficient time to
permit the Lessee to exercise the revocation right provided above. If no
Specified Default shall have occurred and be continuing on the date of such
notice or on the date of the commencement of any Renewal Term, then this Lease
shall be extended for the additional period of such Renewal Term as specified in
such notice on the same conditions as provided for herein. The Basic Rent
payable per annum during any Fixed Renewal Term shall be the Renewal Rental Rate
identified on Exhibit B. The rental payable per annum during any Fair Market
Value Renewal Term shall be the then Fair Market Rental Value for the Aircraft.
Such rental during each Renewal Term shall be payable monthly. The Termination
Value of the Aircraft during each Renewal Term shall be the Fair Market Sales
Value for the Aircraft at the beginning of such Renewal Term declining on a
straight line basis to the projected Fair Market Sales Value for the Aircraft at
the end of such Renewal Term, but in both cases determined prior to the
commencement of such Renewal Term. If Lessee gives notice to Lessor that it will
exercise its right to renew this Lease at the end of the Basic Term,
notwithstanding such notice Lessee may not exercise such right if, not later
than 150 days prior to the end of the Basic Term, Owner Participant notifies
Lessee that it is demanding payment of a deficiency amount under the Residual
Value Guarantee Agreement

                                      -32-
<Page>

and certifies to Lessee the appraised fair market sales value of the Aircraft as
determined under the Residual Value Guarantee Agreement that is the basis for
such claim and the amount of the deficiency so claimed.

          (b) LESSEE'S PURCHASE OPTIONS.

               (i) RIGHTS TO PURCHASE.

          The Lessee shall have the right upon notice as provided herein to
purchase the Aircraft (A) on the EBO Date for a price equal to the EBO Amount;
(B) upon the termination of the Basic Term a price equal to the then Fair Market
Sales Value of the Aircraft; or (C) at the end of any Renewal Term for a price
equal to the then Fair Market Sales Value of the Aircraft in each case as long
as no Event of Default of the type referred to in Section 16(f), (g) or (h)
hereof shall have occurred and be continuing on the date of purchase. Upon the
payment by the Lessee of the purchase price for the Aircraft and the Basic Rent,
if any, payable in arrears on the date of purchase, together with all unpaid
Basic Rent, if any, payable before such date and all Supplemental Rent then due
and payable hereunder, the Term shall end and the obligations of the Lessee to
pay Rent hereunder (except for Supplemental Rent obligations surviving pursuant
to Section 3(c), Articles 6 and 7 of the Participation Agreement or the Tax
Indemnity Agreement or which have otherwise accrued but not been paid as of the
date of such payment) shall cease, and the Lessor shall convey to the Lessee all
right, title and interest of the Lessor in and to the Aircraft on an "as-is,
where is" basis, without recourse or warranty except a warranty against Lessor's
Liens.

               (ii) NOTICE OF EXERCISE OF OPTION.

          The Lessee's right to purchase provided for in clause (B) or (C) of
Section 13(b)(i) shall be exercised upon written notice to the Lessor not more
than 365 days before the applicable date of purchase provided in such clause (B)
or (C) as the case may be and not less than 210 days before the applicable date
of purchase in the case of clause (B) and 180 days before the applicable date of
purchase in the case of clause (C). Such notice shall be irrevocable, except
that where the purchase price is or may be measured by the Fair Market Sales
Value of the Aircraft the Lessee may revoke its exercise of an option to
purchase the Aircraft as provided in Section 13(b)(iii) in the case of such
clause (B) or within 15 days following the determination of such Fair Market
Sales Value but in no event later than 180 days prior to the applicable date of
purchase in the case of such clause (C). The Lessee's right to purchase provided
for in clause (A) of Section 13(b)(i) shall be exercised upon written notice to
the Lessor not less than 120 days nor more than 365 days before the EBO Date and
shall be irrevocable when given.

               (iii) APPRAISAL PROCEDURE.

          If Lessee provides notice of its right to purchase provided for in
clause (B) of Section 13(b)(i), then not later than 180 days prior to the end of
the Basic Term, the Owner Participant shall notify Lessee (such notice, a
"Residual Notice") if it has notified the Manufacturer that it will require an
appraised value of the Aircraft to be determined under the Residual Value
Guarantee Agreement. If the Owner Participant provides a Residual Notice, Fair
Market Sales Value shall be determined pursuant to the Appraisal Procedure.
Otherwise, Fair

                                      -33-
<Page>

Market Sales Value shall be determined as provided in the definition thereof. If
Fair Market Sales Value is determined pursuant to the Appraisal Procedure (x)
and is less than the Guaranteed Amount, the Manufacturer shall notify Lessee and
Owner Participant within 30 days after the determination of Fair Market Sales
Value but in no event later than 120 days prior to the end of the Basic Term
whether it will exercise its Fair Market Sales Value purchase option under the
Residual Value Guarantee Agreement, in which case Lessee's purchase option will
be revoked and (y) unless the Lessee's purchase option is revoked under the
preceding clause (x), Lessee shall have the option of revoking its purchase
option within 45 days after the determination of Fair Market Sales Value but in
no event later than 105 days prior to the end of the Basic Term. If Fair Market
Sales Value is not determined in accordance with the Appraisal Procedure, Lessee
may revoke its exercise of an option to purchase the Aircraft within 15 days
following the determination of Fair Market Sales Value but in any event not
later than 105 days prior to the end of the Basic Term.

Section 14. VOLUNTARY TERMINATION FOR OBSOLESCENCE.

          (a) TERMINATION BY SALE OF AIRCRAFT.

          So long as no Specified Default shall have occurred and be continuing,
the Lessee shall have the right at its option five years or more after
commencement of the Basic Term on at least 180 days', but not more than 365
days, prior written notice (which notice shall be irrevocable, except as
provided below) to the Lessor, specifying a proposed date of termination which
shall be a Termination Date, to terminate this Lease if the chief financial
officer of the Lessee shall have certified in writing to the Lessor that the
Aircraft shall have become obsolete or shall be surplus to the Lessee's
equipment requirements. Subject to the Lessor's preemptive election under
Section 14(c), during the period following the giving of such notice of
termination until the Termination Date, the Lessee, as agent for the Lessor,
shall endeavor to sell the Aircraft "as is", without any warranty by the Lessor
or the Lessee except as to the Lessor's title, on behalf of the Lessor. If
Lessee receives any bid, it shall at least 10 Business Days prior to the
proposed day of sale, certify to Lessor in writing the amount and terms of such
bid, such proposed date of sale and the name and address of the potential buyer
(which shall not be Lessee or any Affiliate or any Person with whom Lessee or
any Affiliate has any arrangement or understanding for the future purchase,
lease, operation or use of the Aircraft). Lessor may also solicit bids directly
or through agents other than Lessee. So long as the Lessor has not exercised its
preemptive election under Section 14(c), the Lessee may, by notice to the
Lessor, withdraw its notice of termination at any time on or before the date 10
days prior to the proposed Termination Date (unless such withdrawal is due to
the cancellation of the proposed purchase of the Aircraft by the potential buyer
in which event such notice may be given at any time on or prior to the proposed
Termination Date), and thereupon this Lease shall continue in full force and
effect. Withdrawal of notice of termination shall not exhaust the Lessee's right
to give a further notice of termination as provided herein; provided that Lessee
shall not be entitled to give more than two such notices (excluding one notice
of termination which has been withdrawn due to the cancellation of the proposed
purchase of the Aircraft by the potential buyer). Unless the Lessee shall
withdraw its notice of termination as stated above or the Lessor shall have made
a preemptive election to take possession of the Aircraft in accordance with
Section 14(c), on the Termination Date, or such other date of sale as shall be
consented to in writing by the Lessor and the Lessee, which date shall
thereafter be deemed the Termination Date, the Lessee shall, upon

                                      -34-
<Page>

payment in full of the amounts described in Section 14(b), deliver the Airframe
and Engines or engines installed thereon to the party which shall have prior to
such date submitted the highest bona fide cash bid to close such sale and
purchase of the same, in the same manner as if delivery were being made to the
Lessor pursuant to Section 12, and shall duly transfer to such party title to
any engines which are not Engines delivered with the Airframe in accordance with
the terms of Section 12. The Lessor shall, in "as-is, where-is" condition,
without recourse or warranty (except a warranty as to the absence of Lessor's
Liens), simultaneously therewith sell and convey title to the Airframe and the
Engines or engines conveyed to the Lessor as provided in Section 12 for cash to
such party. Upon the sale of the Airframe and the Engines or engines conveyed to
the Lessor as provided in Section 12 pursuant to this Section 14 and receipt by
the Lessor of all amounts referred to in Section 14(b), the Lessor will transfer
to the Lessee, in "as-is, where-is" condition, without recourse or warranty
(except a warranty as to the absence of Lessor's Liens), all right, title and
interest of the Lessor in and to any Engines constituting part of the Aircraft
but which were not delivered to the purchaser with the Airframe. The Lessee
shall pay all out of pocket expenses of the Lessor and Owner Participant in
connection with any termination or proposed termination of this Lease except
that Lessee shall not be responsible for such expenses of the Lessor or the
Owner Participant in the event the Lessor exercises its preemptive election
under Section 14(c) and thereafter fails to perform its obligations under such
Section.

          (b) PAYMENTS DUE UPON SALE OF AIRCRAFT.

          The total selling price realized at any sale of the Airframe and
Engines or engines installed thereon in accordance with this Section 14 shall be
retained by the Lessor and, in addition, on the Termination Date, the Lessee
shall pay to the Lessor or, in the case of Supplemental Rent, to the Persons
entitled thereto, in immediately available funds, an amount equal to the sum of
(A) the excess, if any, of (x) the Termination Value as of the Termination Date,
over (y) the net proceeds of the sale of the Aircraft, plus (B) all unpaid
Supplemental Rent due on or before the Termination Date, plus (C) the arrears
portion, if any, of Basic Rent payable on such Termination Date, together with
all unpaid Basic Rent, if any, payable before the Termination Date, plus (D) the
reasonable fees and expenses of the Owner Participants and Lessor in connection
therewith, plus (E) any sales, transfer or similar Taxes incurred on such sale.

          (c) PREEMPTIVE ELECTION BY LESSOR.

          Notwithstanding the foregoing provisions of this Section 14, the
Lessor may, not later than 90 days prior to the proposed Termination Date,
notify the Lessee of its preemptive election to take possession of the Aircraft
and following delivery of such notice, the Lessee shall have no obligation to
pay Termination Value or any amount with respect to Termination Value under this
Section 14. On the Termination Date, if the Lessor shall have exercised its
preemptive election to retain the Aircraft in accordance with the terms of this
Section 14(c), the Lessee shall deliver the Airframe and Engines or engines
installed thereon to the Lessor in accordance with Section 12 and shall pay all
unpaid Basic Rent, if any, payable before the Termination Date, together with
all Basic Rent (if payable in arrears) due on such Termination Date, all unpaid
Supplemental Rent due on or before or after the Termination Date, and the Lessor
shall transfer

                                      -35-
<Page>

to the Lessee title to any Engines constituting part of the Airframes but which
were not then installed on the Aircraft as provided in Section 12(b).

          (d) TERMINATION OF LEASE.

          Upon delivery by the Lessee of the Airframe and Engines or engines
installed thereon and payment by the Lessee of all amounts payable by the Lessee
under either Section 14(b) or 14(c), as the case may be, the obligations of the
Lessee to pay Rent (except for Supplemental Rent obligations surviving pursuant
to Section 3(c) and Articles 6 and 7 of the Participation Agreement or the Tax
Indemnity Agreement or which have otherwise accrued but not paid as of the
Termination Date) shall cease and the Term shall end.

          (e) EFFECT OF NO SALE OR PREEMPTIVE DELIVERY TO LESSOR.

          If on the Termination Date no sale of the Aircraft shall have occurred
and the Lessee has not delivered the Aircraft to the Lessor pursuant to Section
14(c), the Lessee's notice given pursuant to Section 14(a) shall be deemed to be
withdrawn as of such date and this Lease shall continue in full force and
effect.

          (f) NO DUTY ON PART OF LESSOR.

          Lessor shall be under no duty to solicit bids, to inquire into the
efforts of Lessee to obtain bids or otherwise to take any action in connection
with any such sale other than to cooperate with such efforts as Lessee may
reasonably request and to make the transfers described in Section 14(a).

Section 15. INVESTMENT OF SECURITY FUNDS.

          Any monies paid to or retained by the Lessor which are required to be
paid to the Lessee or applied for the benefit of the Lessee (including, without
limitation, amounts payable to the Lessee under Sections 8 and 9), but which the
Lessor is entitled to hold under the terms hereof pending the occurrence of some
event or the performance of some act (including, without limitation, the
remedying of an Event of Default), shall, until paid to the Lessee or applied as
provided herein, be invested by the Lessor from time to time at the direction,
risk and expense of the Lessee in Permitted Investments. There shall be promptly
remitted to the Lessee any gain (including interest received) realized as the
result of any such investment (net of any fees, commissions and other expenses,
if any, incurred in connection with such investment) unless a Specified Default
shall have occurred and be continuing, in which case such gains shall be held or
applied in accordance with the preceding sentence. The Lessee will promptly pay
to the Lessor, on demand, the amount of any loss realized as the result of any
such investment (together with any fees, commissions and other expenses, if any,
incurred in connection with such investment).

Section 16. EVENTS OF DEFAULT.

          The following events shall constitute Events of Default and each such
Event of Default shall be deemed to exist and continue so long as, but only so
long as, it shall not have been remedied:

                                      -36-
<Page>

          (a) The Lessee shall fail to make any payment of (i) Basic Rent or
     Termination Value when due and such failure shall continue for a period of
     10 days or (ii) Supplemental Rent (other than Termination Value) within 30
     days after receipt by the Lessee of a written demand therefor from the
     Lessor;

          (b) The Lessee shall fail to procure and maintain insurance required
     pursuant to Section 9 or such insurance shall be cancelled or lapse;
     PROVIDED that such lapse or cancellation shall not constitute an Event of
     Default until the earlier of 30 days after receipt by the Lessor of notice
     of such lapse or cancellation or the date that the lapse or cancellation is
     effective as to the Lessor or the Owner Participant;

          (c) The Lessee shall operate the Aircraft after having received notice
     that the public liability insurance required by Section 9(a) has lapsed or
     has been cancelled;

          (d) The Lessee shall fail to perform or observe any other covenant or
     condition to be performed or observed by it hereunder or under any other
     Operative Agreement (other than the Tax Indemnity Agreement), and such
     failure shall continue unremedied for a period of 30 days after delivery of
     notice of such failure from the Lessor to the Lessee, unless such failure
     is curable and the Lessee shall, after the delivery of such notice, be
     diligently proceeding to correct such failure and shall in fact correct
     such failure 120 days after delivery of such notice;

          (e) Any representation or warranty made by the Lessee herein or in any
     Operative Agreement or in any certificate required to be delivered by the
     Lessee pursuant thereto (other than the Tax Indemnity Agreement) shall
     prove to have been incorrect in any material respect when made and shall
     remain material at the time in question and shall not be remedied within 30
     days after notice thereof has been given to the Lessee by the Lessor,
     unless such incorrectness is curable and Lessee shall, after delivery of
     such notice, be diligently proceeding to correct such failure and shall in
     fact correct such failure 120 days after the delivery of such notice;

          (f) The Lessee shall consent to the appointment of or taking
     possession by a receiver, assignee, custodian, sequestrator, trustee or
     liquidator (or other similar official) of itself or of a substantial part
     of its property, or the Lessee shall admit in writing its inability to pay
     its debts generally as they come due (as provided in 11 U.S.C.
     Section303(h)(1)), or shall make a general assignment for the benefit of
     its creditors, or the Lessee shall file a voluntary petition in bankruptcy
     or a voluntary petition or answer seeking liquidation, reorganization or
     other relief with respect to itself or its debts under the Federal
     bankruptcy laws, as now or hereafter constituted or any other applicable
     Federal or State bankruptcy, insolvency or other similar law or shall
     consent to the entry of an order for relief in an involuntary case under
     any such law or the Lessee shall file an answer admitting the material
     allegations of a petition filed against the Lessee in any such proceeding,
     or otherwise seek relief under the provisions of any now existing or future
     Federal or State bankruptcy, insolvency or other similar law providing for
     the reorganization or winding-up of corporations, or providing for an
     agreement, composition, extension or adjustment with its creditors;

                                      -37-
<Page>

          (g) An order, judgment or decree shall be entered in any proceedings
     by any court of competent jurisdiction appointing, without the consent of
     the Lessee, a receiver, trustee or liquidator of the Lessee or of any
     substantial part of its property, or any substantial part of the property
     of the Lessee shall be sequestered, and any such order, judgment of decree
     of appointment or sequestration shall remain in force undismissed, unstayed
     or unvacated for a period of 90 days after the date of entry thereof;

          (h) A petition against the Lessee in a proceeding under the Federal
     bankruptcy laws or other insolvency laws as now or hereafter in effect
     shall be filed and shall not be withdrawn or dismissed within 90 days
     thereafter, or, under the provisions of any law providing for
     reorganization or winding-up of corporations which may apply to the Lessee,
     any court of competent jurisdiction shall assume jurisdiction, custody or
     control of the Lessee or of any substantial part of its property and such
     jurisdiction, custody or control shall remain in force unrelinquished,
     unstayed or unterminated for a period of 90 days;

          (i) So long as GECC or an Affiliate of GECC is the Owner Participant,
     any "event of default" occurs under a Related Lease;

          (j) Lessee shall receive notice of default or exercise of remedies
     with respect to the payment or performance of any indebtedness or other
     obligation to any third party and any such default or exercise of remedies
     results in an acceleration of such indebtedness or obligation; provided,
     however, that the aggregate amount of any such indebtedness or obligation
     is in excess of $5,000,000 (determined in the case of borrowed money by the
     amount outstanding under the agreement pursuant to which such borrowed
     money was borrowed, in the case of a deferred purchase price by the
     remaining balance and in the case of a lease by the present value of the
     remaining rent payable thereunder); or

          (k) The Lessee shall cease to be a Certificated Air Carrier and such
     circumstance results in the Owner Trustee no longer being entitled to the
     benefits of Section 1110 of the Bankruptcy Code,

PROVIDED that, notwithstanding anything to the contrary contained in this Lease,
any failure of the Lessee to perform or observe any covenant, condition, or
agreement herein shall not constitute an Event of Default under clause (d) above
if such failure is caused solely by reason of an event referred to in the
definition of "EVENT OF LOSS" so long as the Lessee is continuing to comply with
the applicable terms of Section 8.

Section 17. REMEDIES.

          Upon the occurrence of any Event of Default and at any time thereafter
so long as the same shall be continuing, the Lessor may, at its option, declare
this Lease to be in default by a notice to the Lessee (PROVIDED that this Lease
shall be deemed to have been declared in default without the necessity of such
notice upon the occurrence of any Event of Default described in paragraph (f),
(g) or (h) of Section 16 hereof); and at any time thereafter so long as the
Lessee shall not have remedied all outstanding Events of Default, the Lessor may
do, and the Lessee

                                      -38-
<Page>

shall comply with, one or more of the following with respect to the Airframe and
all or any part of the Engines, as the Lessor in its sole discretion shall
elect, to the extent permitted by, and subject to compliance with any mandatory
requirements of, Applicable Law then in effect; PROVIDED that during any period
the Aircraft is subject to the Civil Reserve Air Fleet Program in accordance
with the provisions of Section 5(b) and in the possession of the United States
government or an instrumentality or agency thereof, the Lessor shall not, on
account of any Event of Default, be entitled to do any of the following in such
manner as to limit the Lessee's control under this Lease (or any sublessee's
control under any Sublease permitted by the terms of this Lease) of any Airframe
or any Engines, unless at least 60 days' (or such lesser period, if any, as may
then be applicable under the Military Airlift Command Program of the United
States Government) prior notice of default hereunder shall have been given by
the Lessor by registered or certified mail to the Lessee (or any sublessee) with
a copy addressed to the Contracting Office Representative for the Military
Airlift Command of the United States Air Force under any contract with Lessee
(or any sublessee) relating to the Aircraft:

          (a) Cause the Lessee, upon the written demand of the Lessor and at the
     Lessee's expense to, and the Lessee shall, promptly return the Airframe and
     all or such part of the Engines as the Lessor may demand to the Lessor in
     the manner and condition required by, and otherwise in accordance with all
     of the provisions of, Section 12 as if the Airframe and such Engines were
     being returned at the end of the Term; or the Lessor, at its option, may
     cause public officials acting pursuant to judicial order obtained in
     summary proceedings or otherwise to enter upon the premises where the
     Airframe or any or all Engines are located or reasonably believed to be
     located and take immediate possession of and remove such Airframe or
     Engines, and the Lessee shall comply therewith, all without liability to
     the Lessor for or by reason of such entry or taking possession, whether for
     the restoration of damage to property caused by such taking or otherwise;
     and the Lessee shall promptly execute and deliver to the Lessor such
     instruments of title or other documents as the Lessor may deem necessary or
     advisable to enable the Lessor or its agent to obtain possession of the
     Airframe or the Engines, provided that if the Lessee shall for any reason
     fail to execute and deliver such instruments and documents after such
     request, the Lessor shall be entitled, in a proceeding to which the Lessee
     shall be a necessary party, to a judgment for specific performance,
     conferring the right to immediate possession upon the Lessor and requiring
     the Lessee to execute and deliver such instruments and documents to the
     Lessor;

          (b) Sell or otherwise dispose of all or any part of the Aircraft, at
     public or private sale, as the Lessor may determine, or hold, use, operate,
     lease to others or keep idle all or any part of the Aircraft, Airframe or
     any Engine as the Lessor, in its sole discretion, may determine, in any
     such case free and clear of any rights of the Lessee except as hereinafter
     set forth in this Section 17 and without any duty to account to the Lessee
     with respect to such action or inaction or for any proceeds with respect
     thereto except to the extent required by paragraph (d) below in the event
     the Lessor elects to exercise its rights under said paragraph in lieu of
     its rights under paragraph (c) below;

          (c) Whether or not the Lessor shall have exercised, or shall
     thereafter at any time exercise, any of its rights under paragraph (a) or
     paragraph (b) above with respect to the Aircraft, the Lessor, by written
     notice to the Lessee specifying a payment date (which

                                      -39-
<Page>

shall be a Termination Date) not earlier than 10 days from the date of such
notice, may require the Lessee to pay to the Lessor, and the Lessee shall pay to
the Lessor, on the payment date specified in such notice, as liquidated damages
for loss of a bargain and not as a penalty, any installment of Basic Rent due on
or before such payment date plus an amount equal to the excess, if any, of (i)
Termination Value for the Aircraft, determined as of such payment date over (ii)
the Fair Market Sales Value for the Aircraft, computed as of the payment date
specified pursuant to this paragraph (c), together with interest, to the extent
permitted by Applicable Law, at the Past Due Rate on the amount of such excess,
if any, from such payment date specified pursuant to this paragraph (c), to the
date of actual payment of such amount PROVIDED THAT, in any such instance in
which the Lessor is unable to repossess the Aircraft due to circumstances not
relating to or caused by any Lessee Person and the Fair Market Sales Value
thereof is deemed to be zero, upon receipt of any such payment under this clause
(c) and all other amounts due hereunder, the Lessor shall convey, as-is,
where-is, without recourse or warranty, other than a warranty against Lessor's
Liens, to the Lessee all right, title and interest of the Lessor in and to the
Airframe and Engines, and execute and deliver to the Lessee such bills of sale
and other documents and instruments as the Lessee may reasonably request to
evidence such conveyance;

          (d) In the event the Lessor, pursuant to paragraph (b) above, shall
     have sold the Aircraft upon reasonable notice to the Lessee, the Lessor in
     lieu of exercising its rights under paragraph (c) above with respect to the
     Aircraft, may, if it shall so elect, require the Lessee to pay the Lessor,
     and the Lessee shall pay to the Lessor, on the date of such sale, as
     liquidated damages for loss of a bargain and not as a penalty (in lieu of
     the Basic Rent due after the date on which such sale occurs but in addition
     to any installment of Basic Rent due on or up to the date on which such
     sale occurs), the amount of any deficiency of the net proceeds of such sale
     below the Termination Value of the Aircraft, determined as of the
     Termination Date immediately preceding the date of such sale, together with
     interest, to the extent permitted by Applicable Law, at the Past Due Rate
     on the amount of such deficiency from such Termination Date to the date of
     actual payment; and

          (e) Rescind, cancel or terminate this Lease or exercise any other
     right or remedy which may be available under Applicable Law or proceed by
     appropriate court action to enforce the terms hereof or to recover damages
     for the breach hereof.

In addition, the Lessee shall be liable for any unpaid Supplemental Rent due
hereunder before or after any termination hereof, including all reasonable costs
and expenses including attorney's fees and disbursements incurred by the Lessor
or the Owner Participant by reason of the occurrence of any Event of Default or
the exercise of the Lessor's remedies with respect thereto including without
limitation all costs and expenses incurred in connection with the return of the
Airframe or any Engine in accordance with, and in the condition required by, the
terms of Section 12 or any appraisal of the Aircraft required for purposes of
this Section 17. At any sale of the Aircraft, the Airframe or any Engine, or
portion thereof pursuant to this Section 17, the Lessor or the Owner Participant
may bid for and purchase such property. Except as otherwise expressly provided
above, no remedy referred to in this Section 17 is intended to be exclusive (but
0the liquidation of damages provided in this Section 17 shall be exclusive to
the extent

                                      -40-
<Page>

permitted by Applicable Law), but each shall be cumulative and in addition to
any other remedy referred to above or otherwise available to the Lessor for the
Event of Default at law or in equity; and the exercise or beginning of exercise
by the Lessor of any one or more of such remedies shall not preclude the
simultaneous or later exercise by the Lessor of any or all such other remedies.
No express or implied waiver by the Lessor of any Event of Default hereunder
shall in any way be, or be construed to be, a waiver of any future or subsequent
Event of Default.

Section 18. LESSOR'S RIGHT TO PERFORM FOR THE LESSEE.

          If the Lessee fails to make any payment of Rent required to be made by
it hereunder or fails to perform or comply with any of its agreements contained
herein the Lessor may, upon prior notice to the Lessee, itself make such payment
or perform or comply with such agreement, and the amount of such payment and the
amount of the reasonable expenses of the Lessor incurred in connection with such
payment or the performance of or compliance with such agreement, as the case may
be, together with interest thereon at the Past Due Rate, shall be deemed
Supplemental Rent, payable by the Lessee upon demand; PROVIDED that no such
payment or performance by the Lessor shall be deemed to cure any Default or
Event of Default under this Lease or relieve the Lessee of any of its
obligations hereunder; PROVIDED further that nothing in this Section 18 shall be
deemed to permit the Lessor to exercise any control over the operation or
maintenance of the Aircraft or any part thereof while it is being utilized in
the air transportation services of the Lessee or any Permitted Sublessee without
the consent of the Lessee; PROVIDED further that the provisions of this Section
18 shall not affect Lessor's right to exercise its remedies under Section 17
upon the occurrence and continuance of an Event of Default.

Section 19. BANKRUPTCY.

          It is the intention of the parties that the Lessor shall be entitled
to the benefits of 11 U.S.C. Section 1110 with respect to the right to repossess
the Airframe, Engines and Parts as provided herein, and in any circumstances
where more than one construction of the terms and conditions of this Lease is
possible, a construction which would preserve such benefits shall control over
any construction which would not preserve such benefits or would render them
doubtful. To the extent consistent with the provisions of 11 U.S.C. Section 1110
or any analogous section of the Federal bankruptcy laws, as amended from time to
time, it is hereby expressly agreed and provided that, notwithstanding any other
provisions of the Federal bankruptcy laws, as amended from time to time, any
right of the Lessor to take possession of the Aircraft in compliance with the
provisions of this Lease shall not be affected by the provisions of 11 U.S.C.
Section 362 or 363, as amended from time to time, or any analogous provisions of
any superseding statute or any power of the bankruptcy court to enjoin such
taking of possession.

Section 20. ASSIGNMENT: BENEFIT AND BINDING EFFECT.

          (a) ASSIGNMENT BY THE LESSEE.

          The Lessee may not, without the prior written consent of the Lessor
and the Owner Participant, assign any of its rights hereunder except as
otherwise expressly provided herein.

                                      -41-
<Page>

          (b) ASSIGNMENT BY THE LESSOR.

          The Lessor may not, without the prior consent of the Lessee, assign
any of its rights under or interest in this Lease except to a successor Owner
Trustee or additional trustee referred to in Section 9.01 of the Participation
Agreement and Section 8.01 of the Trust Agreement and except as set forth in
Section 13.09 of the Participation Agreement or as otherwise expressly provided
herein.

          (c) BENEFIT AND BINDING EFFECT.

          The terms and provisions of this Lease shall be binding upon and,
subject to the limitations on assignment of rights hereunder, inure to the
benefit of the Lessor and the Lessee and their respective successors and
permitted assigns. Nothing herein shall be construed as creating rights in any
other Person except, to the extent provided herein, the Owner Participant.

          (d) SUBLESSEE'S PERFORMANCE AND RIGHTS.

          Any obligation imposed on the Lessee in this Lease shall require only
that the Lessee perform or cause to be performed such obligation, even if stated
herein as a direct obligation, and the performance of any such obligation by any
sublessee or transferee of the Airframe or any Engine or Part permitted by the
terms hereof under a sublease or transfer agreement then in effect shall
constitute performance by the Lessee and to the extent of such performance
discharges such obligation by the Lessee.

Section 21. OWNER TRUSTEE'S LIMITATION ON LIABILITY.

          Trust Company is entering into this Lease solely as Owner Trustee
under the Trust Agreement and not in its individual capacity and neither Trust
Company nor any entity acting as successor Owner Trustee or additional Owner
Trustee under the Trust Agreement shall be personally liable for, or for any
loss in respect of, any of the statements, representations, warranties,
agreements or obligations stated to be those of the Lessor hereunder, as to
which all interested parties shall look solely to the Trust Estate, except to
the extent expressly provided otherwise in any other Operative Agreement,
PROVIDED, HOWEVER, that nothing in this Section 21 shall be construed to limit
in scope or substance the liability of Trust Company or any entity acting as
successor Owner Trustee or additional Owner Trustee under the Trust Agreement in
its individual capacity for the consequences of its own willful misconduct or
gross negligence or (in receiving, handling or remitting funds) its simple
negligence, or the inaccuracy or breach of its representations, warranties or
covenants made in such capacity in any other Operative Agreement.

Section 22. CERTAIN AGREEMENTS OF LESSEE.

          The Lessee will take, or cause to be taken, at the Lessee's cost and
expense, such action with respect to the recording, filing, re-recording and
re-filing of this Lease, each Lease Supplement, the Trust Agreement and any
financing statements or other instruments as are necessary or requested by the
Owner Participant and appropriate, to maintain any security interest that may be
claimed to have been created by this Lease and the ownership interest of the
Owner Trustee in the Aircraft, and will furnish to the Owner Trustee and the
Owner Participant

                                      -42-
<Page>

timely notice of the necessity of such action, together with such instruments,
in execution form, and such other information as may be required to enable them
to take such action.

Section 23. MISCELLANEOUS.

          (a) NOTICES.

          Except as otherwise specifically provided herein, all notices,
requests, approvals or consents required or permitted by the terms hereof shall
be in writing (it being understood that the specification of a writing in
certain instances and not in others does not imply an intention that a writing
is not required as to the latter). Any notice shall be effective when received.
Any notice shall either be sent by overnight courier service or overnight
delivery service or by hand, or sent in the form of a telecopy, provided that
there is receipt of such notice the next Business Day from an overnight courier
service, or by overnight delivery service or delivered by hand. Any notice shall
be directed to the Lessee, the Lessor or any other party to the Participation
Agreement to the respective addresses set forth in Section 12.01 to the
Participation Agreement or to such other address or telecopy number as any such
party may designate pursuant to Section 12.01 of the Participation Agreement.

          (b) COUNTERPARTS.

          This Lease may be executed by the parties hereto in separate
counterparts, each of which when so executed and delivered shall, subject to the
next sentence and the legend appearing on the cover hereof, be an original, but
all such counterparts shall together constitute but one and the same instrument.
TO THE EXTENT, IF ANY, THAT THIS LEASE CONSTITUTES CHATTEL PAPER (AS THE TERM IS
DEFINED IN THE UNIFORM COMMERCIAL CODE AS IN EFFECT IN ANY APPLICABLE
JURISDICTION), NO SECURITY INTEREST IN THIS LEASE MAY BE CREATED THROUGH THE
TRANSFER OR POSSESSION OF ANY COUNTERPART OTHER THAN THE ORIGINAL COUNTERPART
MARKED COUNTERPART NO. 1.

          (c) AMENDMENTS.

          Neither this Lease nor any of the terms hereof may be terminated,
amended, supplemented, waived or modified orally, but only by an instrument in
writing signed by the Lessor and the Lessee.

          (d) AGREEMENT TO LEASE.

          It is the intent of the parties to this Lease that for all purposes
(including, without limitation, U.S. Federal income tax purposes) this Lease
will be a true lease, and that this Lease conveys to the Lessee no right, title
or interest in the Aircraft except as a lessee.

          (e) GOVERNING LAW.

               (i) THIS LEASE SHALL IN ALL RESPECTS BE GOVERNED BY THE LAW OF
THE STATE OF NEW YORK, INCLUDING ALL MATTERS OF

                                      -43-
<Page>

CONSTRUCTION, VALIDITY AND PERFORMANCE. THIS LEASE HAS BEEN DELIVERED IN THE
STATE OF NEW YORK.

               (ii) TO THE EXTENT PERMITTED BY APPLICABLE LAW, EACH PARTY HERETO
IRREVOCABLY AGREES, ACCEPTS AND SUBMITS ITSELF TO THE NON-EXCLUSIVE JURISDICTION
OF THE COURTS OF THE STATE OF NEW YORK IN THE CITY AND COUNTY OF NEW YORK AND OF
THE UNITED STATES FOR THE SOUTHERN DISTRICT OF NEW YORK, IN CONNECTION WITH ANY
LEGAL ACTION, SUIT OR PROCEEDING WITH RESPECT TO ANY MATTER RELATING TO OR
ARISING OUT OF OR IN CONNECTION WITH THIS LEASE.

               (iii) TO THE EXTENT PERMITTED BY APPLICABLE LAW, EACH PARTY
HERETO HEREBY IRREVOCABLY CONSENTS AND AGREES THAT THE SERVICE OF ANY AND ALL
LEGAL PROCESS, SUMMONS, NOTICES AND DOCUMENTS OF ANY OF THE AFOREMENTIONED
COURTS IN ANY SUCH SUIT, ACTION OR PROCEEDING MAY BE MADE BY MAILING COPIES
THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, AT THE ADDRESS SET
FORTH PURSUANT TO SECTION 12.01 OF THE PARTICIPATION AGREEMENT. EACH PARTY
HERETO AGREES THAT SERVICE UPON IT, OR ANY OF ITS AGENTS, IN EACH CASE IN
ACCORDANCE WITH THIS SECTION 23(e)(iii), SHALL CONSTITUTE VALID AND EFFECTIVE
PERSONAL SERVICE UPON SUCH PARTY, AND EACH PARTY HERETO HEREBY AGREES THAT THE
FAILURE OF ANY OF ITS AGENTS TO GIVE ANY NOTICE OF SUCH SERVICE TO ANY SUCH
PARTY SHALL NOT IMPAIR OR AFFECT IN ANY WAY THE VALIDITY OF SUCH SERVICE ON SUCH
PARTY OR ANY JUDGMENT RENDERED IN ANY ACTION OR PROCEEDING BASED THEREON.

               (iv) EACH PARTY HERETO HEREBY IRREVOCABLY WAIVES, TO THE EXTENT
PERMITTED BY APPLICABLE LAW, AND AGREES NOT TO ASSERT, BY WAY OF MOTION, AS A
DEFENSE, OR OTHERWISE, IN ANY LEGAL ACTION OR PROCEEDING BROUGHT HEREUNDER IN
ANY OF THE ABOVE-NAMED COURTS, THAT SUCH ACTION OR PROCEEDING IS BROUGHT IN AN
INCONVENIENT FORUM, THAT VENUE FOR THE ACTION OR PROCEEDING IS IMPROPER OR THAT
THIS LEASE OR ANY OTHER OPERATIVE AGREEMENT MAY NOT BE ENFORCED IN OR BY SUCH
COURTS.

               (v) TO THE EXTENT PERMITTED BY APPLICABLE LAW, EACH PARTY HERETO
HEREBY WAIVES ITS RESPECTIVE RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF
ACTION IN ANY COURT IN ANY JURISDICTION BASED UPON OR ARISING OUT OF OR RELATING
TO THIS LEASE.

          (f) SEVERABILITY.

          Any provision of this Lease which is prohibited or unenforceable in
any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of
such prohibition or unenforceability without invalidating the remaining
provisions, and any such prohibition or unenforceability in any jurisdiction
shall not invalidate or render unenforceable such provision in any other
jurisdiction.

                                      -44-
<Page>

          (g) SURVIVAL.

          The representations, warranties, indemnities and covenants set forth
herein shall survive the delivery of the Aircraft, the transfer of any interest
of Owner Participant in this Lease, the other Operative Agreements, the Trust
Estate and the Trust Agreement.

          (h) ARTICLE 2A.

          The Lessor and the Lessee agree that this Lease is a "finance lease"
for purposes of Article 2A of, and as defined in Section 2-A-103 of the Uniform
Commercial Code. The Lessee agrees that no right or remedy granted solely by
reason of Article 2A of the Uniform Commercial Code shall be available to the
Lessee as against the Lessor unless expressly provided in this Lease.

            [The remainder of this page is intentionally left blank.]

                                      -45-
<Page>

          IN WITNESS WHEREOF, the Lessor and the Lessee have each caused this
Lease to be duly executed by their authorized officers as of the day and year
first above written.

                                        FIRST SECURITY BANK,
                                        NATIONAL ASSOCIATION
                                        not in its individual capacity, but
                                        solely as Owner Trustee

                                        By:
                                           -------------------------------------
                                           Name:
                                           Title:

                                        CHAUTAUQUA AIRLINES, INC.

                                        By:
                                           -------------------------------------
                                           Name:
                                           Title:

                                      -46-

<Page>
                                                                       Exhibit A
                                                              TO LEASE AGREEMENT

                         LEASE SUPPLEMENT NO. 1 [N281SK]

          THIS LEASE SUPPLEMENT NO. 1 [N281SK] dated __________, 2001, between
FIRST SECURITY BANK, NATIONAL ASSOCIATION, not in its individual capacity, but
solely as Owner Trustee, except as otherwise provided herein, the Lessor, and
CHAUTAUQUA AIRLINES, INC., a New York corporation, the Lessee;

                              W I T N E S S E T H :

          WHEREAS, the Lessor and the Lessee have heretofore entered into that
certain Lease Agreement [N281SK], dated as of February 23, 2001 (the "Lease",
the terms defined therein being herein used with the same meaning), which Lease
provides, among other things, for the execution and delivery of Lease
Supplements in substantially the form hereof for the purpose of leasing a
specific Aircraft under the Lease when delivered by the Lessor to the Lessee in
accordance with the terms thereof;

          WHEREAS, the Lease, a counterpart of which is attached hereto and made
a part hereof, relates to the Aircraft and Engines described in Schedule I
hereto and this Lease Supplement, together with such attachment, is being filed
for recordation on the date hereof with the FAA as one document;

          NOW, THEREFORE, in consideration of the premises and other good and
sufficient consideration, and pursuant to Section 2 of the Lease, the Lessor and
the Lessee hereby agree as follows:

          1. The Lessor hereby delivers and leases to the Lessee, and the Lessee
hereby accepts and leases from the Lessor, under the Lease as herein
supplemented, the Aircraft, described in Schedule I hereto.

          2. The Delivery Date is the date of this Lease Supplement set forth in
the opening paragraph hereof.

          3. The Basic Term shall commence on the Delivery Date and continue
through __________, ____ (the "Expiration Date"), unless terminated earlier as
provided in the Lease.

          4. Lessee hereby confirms to Lessor that Lessee has duly and
irrevocably accepted the Aircraft under and for all purposes hereof, of the
Lease and of the other Lessee Documents.

          5. All of the terms and provisions of the Lease are hereby
incorporated by reference in this Lease Supplement to the same extent as if
fully set forth herein.

          6. This Lease Supplement may be executed by the parties hereto in
separate counterparts and all such counterparts shall together constitute but
one and the same instrument.

<Page>

To the extent, if any, that this Lease Supplement constitutes chattel paper (as
such term is defined in the Uniform Commercial Code as in effect in any
applicable jurisdiction), no security interest in this Lease Supplement or the
Lease may be created through the transfer or possession of any counterpart other
than the original counterpart of each thereof marked Counterpart No. 1.

          7. THIS LEASE SUPPLEMENT HAS BEEN DELIVERED IN THE STATE OF NEW YORK
AND SHALL IN ALL RESPECTS BE GOVERNED BY THE LAW OF THE STATE OF NEW YORK,
INCLUDING ALL MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE.

          IN WITNESS WHEREOF, the Lessor and the Lessee have each caused this
Lease Supplement to be duly executed by their authorized officers as of the day
and year first above written.

                                      FIRST SECURITY BANK,
                                      NATIONAL ASSOCIATION
                                      not in its individual capacity, but solely
                                      as Owner Trustee

                                      By:  /s/ Greg A. Hawley
                                          --------------------------------------
                                          Name:  Greg A. Hawley
                                          Title: Vice President

                                      CHAUTAUQUA AIRLINES, INC.

                                      By:  /s/ Robert H. Cooper
                                          -------------------------------------
                                          Name:  Robert H. Cooper
                                          Title: Vice President

<Page>

                                                                      SCHEDULE I
                                                                    TO EXHIBIT A

                       DESCRIPTION OF AIRFRAME AND ENGINES

                                    AIRFRAME

<Table>
<Caption>
                                   Manufacturer's              FAA Registration             Manufacturer's
      Manufacturer                     Model                          No.                     Serial No.
-------------------------  -----------------------------  ---------------------------  ------------------------
        <S>                          <C>                            <C>                         <C>
        Embraer                      EMB-145LR                      N281SK                      145391
</Table>

                                     ENGINES
<Table>
<Caption>
                                              Manufacturer's                     Manufacturer's
           Manufacturer                           Model                            Serial No.
----------------------------------  ----------------------------------  -------------------------------
   <S>                                         <C>                                 <C>
   Allison Engine Company, Inc.                AE 3007A1P                          CAE 311697

                                                                                   CAE 311698
</Table>

          Each Engine is of 750 or more "rated take-off horsepower" or the
equivalent of such horsepower.

<Page>

                                                                      SCHEDULE I
                                                                    TO EXHIBIT A

                       DESCRIPTION OF AIRFRAME AND ENGINES

<Page>

                                                                       Exhibit B

                          CERTAIN ECONOMIC INFORMATION

                                     [*]

------------------
    * Confidential

<Page>

                                                                     Exhibit C-1
                           BASIC RENT PAYMENT SCHEDULE

BASIC RENT PAYMENT DATE               AMOUNT

                                       [*]

------------------
    * Confidential

<Page>

                                                                     Exhibit C-2

                         BASIC RENT ALLOCATION SCHEDULE
<Table>
<Caption>
                  (1)                                          (2)
              Basic Rent                               Basic Rent Allocated
            Payment Period                             To Basic Rent Period
            --------------                             --------------------

From (and             To (and
Including             Excluding)
---------             ----------
<S>                   <C>                              <C>

[*]                   [*]                              [*]

</Table>

------------------
    * Confidential

<Page>

                                                                       Exhibit D

                               TERMINATION VALUES

TERMINATION DATE                            TERMINATION VALUE

[*]                                             [*]

------------------
    * Confidential

<Page>

                                                                       Exhibit E

        LISTS OF COUNTRIES - PERMITTED FOR RE-REGISTRATION AND SUBLEASING

Australia                                           Italy

Austria                                             Japan

Belgium                                             Luxembourg

Canada                                              Netherlands

Denmark                                             New Zealand

Finland                                             Norway

France                                              Portugal

Germany                                             Sweden

Iceland                                             Switzerland

Ireland                                             United Kingdom

<Page>

                                TABLE OF CONTENTS

<Table>
<Caption>
                                                                                            PAGE
<S>             <C>                                                                          <C>
Section 1.      Interpretation................................................................1
       (a)      Definitions...................................................................1
       (b)      References....................................................................1
       (c)      Headings......................................................................1
       (d)      Appendices, Schedules and Exhibits............................................1

Section 2.      Delivery and Leasing of the Aircraft..........................................2
       (a)      Leasing of the Aircraft.......................................................2
       (b)      Delivery and Acceptance of the Aircraft Under the Lease.......................2

Section 3.      Term and Rent.................................................................2
       (a)      Term..........................................................................2
       (b)      Basic Rent....................................................................2
       (c)      Supplemental Rent.............................................................3
       (d)      Adjustments to Basic Rent and Termination Values..............................3
       (e)      Manner of Payment.............................................................5
       (f)      Rent Obligations Unconditional................................................5

Section 4.      The Lessor's Representations and Warranties...................................6
       (a)      Representation and Warranties.................................................6
       (b)      Quiet Enjoyment...............................................................6
       (c)      Manufacturer's Warranties.....................................................6

Section 5.      Possession, Operation and Use,   Maintenance, Registration and Insignia.......7
       (a)      General.......................................................................7
       (b)      Possession....................................................................7
       (c)      Operation and Use............................................................11
       (d)      Maintenance..................................................................12
       (e)      Registration.................................................................13

Section 6.      Inspection...................................................................13

Section 7.      Replacement and Pooling of Parts; Alterations,    Modifications and
                Additions; Substitution of Engines...........................................14
       (a)      Replacement of Parts.........................................................14
       (b)      Title to Parts...............................................................14
       (c)      Pooling or Parts Leasing.....................................................15
       (d)      Alterations, Modifications and Additions.....................................15
       (e)      Substitution of Engines......................................................16

Section 8.      Loss, Destruction or Requisition.............................................19
       (a)      Event of Loss with Respect to the Airframe...................................19
</Table>

                                       -i-
<Page>

<Table>
<Caption>
                                                                                            PAGE
<S>             <C>                                                                          <C>
       (b)      Effect of Replacement........................................................20
       (c)      Effect of Termination Value Payment..........................................20
       (d)      Conditions to Airframe Replacement...........................................20
       (e)      Non-Insurance Payments Received on Account of an Event of Loss...............23
       (f)      Requisition for Use..........................................................24
       (g)      Certain Payments to be Held As Security......................................24

Section 9.      Insurance....................................................................24
       (a)      Public Liability and Property Damage Insurance...............................24
       (b)      Insurance Against Loss or Damage to the Aircraft and Engines.................25
       (c)      Additional Insureds; Loss Payment............................................26
       (d)      Deductibles and Self-Insurance...............................................26
       (e)      Application of Hull Insurance Proceeds.......................................27
       (f)      Insurance for Own Account....................................................27
       (g)      Reports, etc.................................................................28
       (h)      Right to Pay Premiums........................................................28

Section 10.     Liens........................................................................28

Section 11.     Recordation and Further Assurances...........................................29
       (a)      Recordation of Lease.........................................................29
       (b)      Further Assurances...........................................................29
       (c)      Markings.....................................................................29

Section 12.     Return of Aircraft and Records...............................................30
       (a)      Return of Aircraft...........................................................30
       (b)      Return of Other Engines......................................................30
       (c)      Fuel; Records................................................................31
       (d)      Condition of Aircraft........................................................31
       (e)      Failure to Return............................................................31
       (f)      Storage and Related Matters..................................................31

Section 13.     Renewal Option and Purchase Options..........................................32
       (a)      Renewal Terms................................................................32
       (b)      Lessee's Purchase Options....................................................33

Section 14.     Voluntary Termination for Obsolescence.......................................34
       (a)      Termination by Sale of Aircraft..............................................34
       (b)      Payments Due Upon Sale of Aircraft...........................................35
       (c)      Preemptive Election by Lessor................................................35
       (d)      Termination of Lease.........................................................36
       (e)      Effect of No Sale or Preemptive Delivery to Lessor...........................36
       (f)      No Duty on Part of Lessor....................................................36

Section 15.     Investment of Security Funds.................................................36

Section 16.     Events of Default............................................................36
</Table>

<Page>

<Table>
<Caption>
                                                                                            PAGE
<S>             <C>                                                                          <C>
Section 17.     Remedies.....................................................................38

Section 18.     Lessor's Right to Perform for the Lessee.....................................41

Section 19.     Bankruptcy...................................................................41

Section 20.     Assignment: Benefit and Binding Effect.......................................41
       (a)      Assignment by the Lessee.....................................................41
       (b)      Assignment by the Lessor.....................................................42
       (c)      Benefit and Binding Effect...................................................42
       (d)      Sublessee's Performance and Rights...........................................42

Section 21.     Owner Trustee's Limitation on Liability......................................42

Section 22.     Certain Agreements of Lessee.................................................42

Section 23.     Miscellaneous................................................................43
       (a)      Notices......................................................................43
       (b)      Counterparts.................................................................43
       (c)      Amendments...................................................................43
       (d)      Agreement to Lease...........................................................43
       (e)      Governing Law................................................................43
       (f)      Severability.................................................................44
       (g)      Survival.....................................................................45
       (h)      Article 2A...................................................................45
</Table>

Appendix A      Definitions
Exhibit A       Form of Lease Supplement
Exhibit B       Certain Economic Information
Exhibit C-1     Basic Rent Payment Schedule
Exhibit C-2     Basic Rent Allocation Schedule
Exhibit D       Termination Values
Exhibit E       List of Countries
Exhibit F-1     Return Conditions
Exhibit F-2     Return Conditions

<Page>

                                   APPENDIX A

                              DEFINITIONS [N281SK]
GENERAL PROVISIONS

          The following terms shall have the following meanings for all purposes
of the Operative Agreements (as defined below), unless otherwise defined in an
Operative Agreement or the context thereof shall otherwise require. In the case
of any conflict between the provisions of this Appendix and the provisions of
any Operative Agreement, the provisions of such Operative Agreement shall
control the construction of such Operative Agreement.

          Unless the context otherwise requires, (i) references to agreements
shall be deemed to mean such agreements as amended and supplemented from time to
time, and any agreement, instrument or document entered into in substitution or
replacement therefor, and (ii) references to parties to agreements shall be
deemed to include the successors and permitted assigns of such parties.

     "ADDITIONAL INSUREDS" means the Owner Trustee (in its individual and trust
capacities) and the Owner Participant.

     "AERONAUTICAL AUTHORITY" means as of any time of determination, the FAA or
other governmental airworthiness authority having jurisdiction over the Aircraft
or the Airframe and Engines or engines attached thereto under the laws of the
country in which the Airframe is then registered.

     "AFFILIATE" means, with respect to any Person, any other Person directly or
indirectly controlling 50% or more of any class of voting securities of such
Person or otherwise controlling, controlled by or under common control with such
Person. For the purposes of this definition, "control" (including "controlled
by" and "under common control with") shall mean the power, directly or
indirectly, to direct or cause the direction of the management and policies of
such Person whether through the ownership of voting securities or by contract or
otherwise.

     "AFTER TAX BASIS" means a basis such that any payment to be received or
deemed to be received by a Person shall be supplemented by a payment to such
Person so that the sum of such payments, after deduction of all Taxes (taking
into account any related credits or deductions) resulting from the actual or
constructive receipt or accrual of such payments, shall be equal to the payment
to be received.

     "AIRCRAFT" means the Airframe together with the Engines, whether or not any
of the Engines may at the time of determination be installed on the Airframe or
installed on any other airframe or on any other aircraft.

<Page>

     "AIRCRAFT PURCHASE AGREEMENT" means the Aircraft Purchase Agreement
[N281SK] dated as of February 23, 2001, among the Seller, the Owner Trustee and
GECC, as amended and supplemented from time to time.

     "AIRFRAME" means (i) the Embraer model EMB-145LR aircraft (excluding the
Engines and any other engines which may from time to time be installed thereon,
but including any and all Parts which may from time to time be incorporated in,
installed on or attached to such aircraft, and including any and all such Parts
removed therefrom so long as title to such removed Parts remains vested in the
Lessor under the terms of Section 7 of the Lease) originally delivered and
leased under the Lease, identified by national registration number and
manufacturer's serial number in the Lease Supplement executed and delivered on
the Delivery Date, so long as a Replacement Airframe shall not have been
substituted therefor pursuant to Section 8 of the Lease, and (ii) a Replacement
Airframe, so long as another Replacement Airframe shall not have been
substituted therefor pursuant to Section 8 of the Lease.

     "APPRAISAL PROCEDURE" has the meaning specified in Exhibit F-2 to the
Lease.

     "APPLICABLE LAW" means all applicable laws, treaties, judgments, decrees,
injunctions, writs and orders of any court, governmental agency or authority and
rules, regulations, orders, directives, licenses and permits of any governmental
body, instrumentality, agency or authority.

     "APPLICABLE RATE" has the meaning specified in Exhibit B to the Lease.

     "ASSIGNED WARRANTIES" has the meaning specified in the Embraer Warranty
Assignment and Consent.

     "BANKRUPTCY CODE" means Title 11 of the United States Code, as amended, and
any successor thereto.

     "BASIC RENT" means the rent payable on Basic Rent Payment Dates throughout
the Basic Term for the Aircraft pursuant to Section 3(b) of the Lease and rent
payable during any Renewal Term pursuant to Section 13(a) of the Lease.

     "BASIC RENT PAYMENT DATE" means each date listed under the heading "Basic
Rent Payment Date" in Exhibit C to the Lease.

     "BASIC TERM" means the period commencing at the beginning of the day on the
Delivery Date and ending at end of the day on the Expiration Date, or such
earlier date on which the Lease shall be terminated as provided therein.

     "BENEFICIAL INTEREST" means the interest of the Owner Participant under the
Trust Agreement.

     "BILLS OF SALE" means the FAA Bill of Sale and the Warranty Bill of Sale.

     "BUSINESS DAY" means any day other than a Saturday or Sunday or other day
on which commercial banks are authorized or required by law to close in New York
City, New York, Indianapolis, Indiana and Salt Lake City, Utah.

                                        2
<Page>

     "CERTIFICATED AIR CARRIER" means an "air carrier" within the meaning of the
Transportation Code and a "citizen of the United States" within the meaning of
Section 40102(a)(15) (or any successor provision) of the Transportation Code
holding an "air carrier operating certificate" issued under Chapter 447 (or any
successor provision) of the Transportation Code for aircraft capable of carrying
ten or more individuals or 6,000 pounds or more of cargo, with each such
certificate in full force and effect.

     "CITIZEN OF THE UNITED STATES" means a citizen of the United States as
defined in Section 40102(a)(15) of the Transportation Code, or any analogous
part of any successor or substituted legislation or regulation at the time in
effect.

     "CODE" means the United States Federal Internal Revenue Code of 1986, as
amended from time to time, or any similar legislation of the United States
enacted to supersede, amend, or supplement such Code (and any reference to a
provision of the Code shall refer to any successor provision(s), however
designated).

     "COMMITMENT" shall have the meaning given such term in Section 2.01(c) of
the Participation Agreement.

     "CRAF PROGRAM" has the meaning specified in Section 5(b)(vii) of the Lease.

     "DEFAULT" means any event or condition which, with the lapse of time or the
giving of notice, or both, would constitute an Event of Default.

     "DELIVERY DATE" means the date on which the Aircraft is delivered and sold
to the Lessor and leased by the Lessor to the Lessee under the Lease, which date
shall be the date of the initial Lease Supplement.

     "DOLLARS", "DOLLAR" and "$" means dollars in lawful currency of the United
States.

     "DOT" means the United States Department of Transportation or any successor
thereto.

     "EBO DATE" has the meaning given to such term in Exhibit B to the Lease.

     "EBO AMOUNT" has the meaning given to such term in Exhibit B to the Lease.

     "EMBRAER PURCHASE AGREEMENT" means the EMB-145 Purchase Agreement Number
GCT-025/98 dated June 17, 1998, between the Manufacturer and Seller, as amended
and supplemented from time to time.

     "EMBRAER WARRANTY ASSIGNMENT AND CONSENT" means the Warranty Assignment
Agreement and Consent [N281SK], dated as of February 23, 2001, between Seller
and Owner Trustee and consented to by the Manufacturer.

     "ENGINE" means (A) each of the two Allison model AE3007A1P engines
originally delivered and leased under the Lease, identified by manufacturer's
serial number in the Lease Supplement executed and delivered on the Delivery
Date, so long as a Replacement Engine shall not have been substituted therefor
pursuant to Section 7(e) of the Lease, and (B) a Replacement

                                        3
<Page>

Engine, so long as another Replacement Engine shall not have been substituted
therefor pursuant to Section 7(e) of the Lease, whether or not such engine or
Replacement Engine, as the case may be, is from time to time installed on the
Airframe or installed on any other aircraft, and including in each case all
Parts incorporated or installed in or attached thereto and any and all Parts
removed therefrom so long as title to such Parts remains vested in the Lessor
under the terms of Section 7 of the Lease. The term "ENGINES" means, as of any
date of determination, the two engines each of which is an Engine on that date.

     "ENGINE MANUFACTURER" means Allison Engine Company, Inc. a subsidiary of
the Rolls-Royce Corporation, and its successors and permitted assigns.

     "ENGINE WARRANTIES" has the meaning specified in the Engine Warranty
Assignment and Consent.

     "ENGINE WARRANTY AGREEMENT" means the Rolls-Royce AE3007A Series Engine
Warranty Agreement made effective as of April 30, 1999, among the Engine
Manufacturer, Seller and the Lessee, as amended and supplemented from time to
time.

     "ENGINE WARRANTY ASSIGNMENT AND CONSENT" means the Engine Warranty
Assignment Agreement and Consent [N281SK], dated as of February 23, 2001,
between Seller and Owner Trustee and consented to by the Engine Manufacturer.

     "ERISA" means the Employee Retirement Income Security Act of 1974 and any
regulations and rulings issued thereunder all as amended and in effect from time
to time.

     "ERISA PLAN" means, individually or collectively, an employee benefit plan,
as defined in Section 3(3) of ERISA, which is subject to Title I of ERISA or any
applicable regulation thereunder or a plan or individual retirement account
which is subject to Section 4975(c) of the Code;

     "EVENT OF DEFAULT" has the meaning given to such term in Section 16 of the
Lease.

     "EVENT OF LOSS" means any of the following events with respect to the
Aircraft, the Airframe or any Engine:

          (i) any theft, hijacking or disappearance of such property for a
     period of 60 consecutive days or more or, if earlier for a period that
     extends until the end of the Term;

          (ii) destruction, damage beyond economic repair or rendition of such
     property permanently unfit for normal use for any reason whatsoever;

          (iii) any event which results in an insurance settlement with respect
     to such property on the basis of an actual, constructive or compromised
     total loss;

          (iv) condemnation, confiscation or seizure of, or requisition of title
     to or use of such property by any foreign government or purported
     government (or in the case of any such requisition of title, by the
     Government) or any agency or instrumentality thereof, for a period in
     excess of (A) in the case of any requisition of use, 180 consecutive days
     (for

                                        4
<Page>

     countries listed in Exhibit E to the Lease) or 30 consecutive days (for any
     other country) or (B) in the case of any condemnation, confiscation or
     seizure of, or requisition of title, 10 consecutive days, or, in any of the
     cases in this clause (iv), such shorter period ending on the expiration of
     the Term;

          (v) condemnation, confiscation or seizure of, or requisition of use of
     such property by the Government for a period extending beyond the Term;

          (vi) as a result of any law, rule, regulation, order or other action
     by the Aeronautical Authority, the use of the Aircraft or Airframe in the
     normal course of air transportation shall have been prohibited by virtue of
     a condition affecting all Embraer model EMB-145LR aircraft equipped with
     engines of the same make and model as the Engines for a period of 180
     consecutive days (or beyond the end of the Term), unless the Lessee, prior
     to the expiration of such 180-day period, shall be diligently carrying
     forward all necessary and desirable steps to permit normal use of the
     Aircraft and shall within 12 months have conformed at least one Embraer
     model EMB-145LR aircraft (but not necessarily the Aircraft) to the
     requirements of any such law, rule, regulation, order or action, and shall
     be diligently pursuing conformance of the Aircraft in a non-discriminatory
     manner provided that, notwithstanding the foregoing, if such normal use of
     such property subject to the Lease shall be prohibited at the end of the
     Term, or if such normal use of such property shall be prohibited for a
     period of eighteen (18) consecutive months, an Event of Loss shall be
     deemed to have occurred; and

          (vii) with respect to an Engine only, the requisition or taking of use
     thereof by any government, and any divestiture of title or ownership deemed
     to be an Event of Loss with respect to an Engine under Section 5(b)(iii) or
     5(b)(vi) of the Lease.

The date of such Event of Loss shall be (aa) the 31st day following loss of such
property or its use due to theft or disappearance or the 91st day following such
loss if such period shall have been extended (or the end of the Term if
earlier); (bb) the date of any destruction, damage beyond economic repair or
rendition of such property permanently unfit for normal use; (cc) the date of
any insurance settlement on the basis of an actual, constructive or compromised
total loss; (dd) the 181st day (for countries listed in Exhibit E to the Lease)
or 31st day (for any other country) following condemnation, confiscation,
seizure or requisition of title to such property by a foreign government
referred to in clause (iv) above (or the 11th day in the case of appropriation
of title), or the end of the Term if earlier than such 181st, 31st or 11th day;
(ee) the last day of the Term in the case of requisition of title to or use of
such property by the Government; and (ff) the last day of the applicable period
referred to in clause (vi) above (or if earlier, the end of the Term without the
Lessee's having conformed at least one Embraer model EMB-145LR aircraft to the
applicable requirements). An Event of Loss with respect to the Aircraft shall be
deemed to have occurred if any Event of Loss occurs with respect to the
Airframe.

     "EXPENSES" has the meaning given to such term in Section 7.01(a) of the
Participation Agreement.

     "EXPIRATION DATE" means the date specified as such in the Lease Supplement
executed and delivered on the Delivery Date.

                                        5
<Page>

     "FAA BILL OF SALE" means (A) the bill of sale for the Airframe on AC Form
8050-2, or such other form as may be approved by the Aeronautical Authority,
executed by the Seller in favor of the Owner Trustee and to be dated the
Delivery Date, and (B) a bill of sale for a Replacement Airframe on AC Form
8050-2, or such other form as may be approved by the Aeronautical Authority,
executed by the seller thereof in favor of the Owner Trustee.

     "FAIR MARKET RENTAL VALUE" or "FAIR MARKET SALES VALUE" of the Airframe or
any Engine shall mean the value that would be obtained in an arms'-length
transaction between an informed and willing lessee-user or buyer-user (other
than a lessee currently in possession or a used equipment dealer) under no
compulsion to lease or buy, as the case may be, and an informed and willing
lessor or seller, as the case may be, under no compulsion to lease or sell, as
the same shall be specified by agreement between the Lessor and the Lessee or,
if not agreed to by the Lessor and the Lessee within a period of 15 days after
either party requests a determination, then as specified in an appraisal
prepared and delivered in New York City mutually agreed to by two recognized
independent aircraft appraisers, one of which shall be appointed by the Lessor
and the other of which shall be appointed by the Lessee, or, if such appraisers
cannot agree on such appraisal, an appraisal arrived at by a third independent
recognized appraiser chosen by the mutual consent of the two aircraft
appraisers. If either party should fail to appoint an appraiser within 15 days
of receiving notice of the appointment of an appraiser by the other party, then
such appraisal shall be made by the appraiser appointed by the first party. If
the two appraisers cannot agree on such appraisal and fail to appoint a third
independent recognized aircraft appraiser within 15 days after the appointment
of the second appraiser, then either party may apply to the American Arbitration
Association to make such appointment. The appraisal shall be completed within 30
days of the appointment of the last appraiser appointed. In determining Fair
Market Rental Value or Fair Market Sales Value by appraisal or otherwise, it
will be assumed that the Aircraft, Airframe or Engine is in the condition,
location and overhaul status in which it is required to be returned to the
Lessor pursuant to Section 12 of the Lease and that the Lessee has removed all
Parts which it is entitled to remove pursuant to Section 7 of the Lease and that
the Aircraft is not encumbered by the Lease. Except as otherwise expressly
provided in the Lease, all appraisal costs will be shared equally by the Lessor
and the Lessee; PROVIDED that if the Lessee elects not to renew the Lease or
purchase the Aircraft following the conclusion of such appraisal, the Lessee
shall pay all appraisal costs. Notwithstanding the foregoing, for purposes of
Section 17 of the Lease, the "Fair Market Rental Value" or "Fair Market Sales
Value" of the Aircraft, the Airframe or any Engine, shall be determined on an
"as is, where is" basis and shall take into account customary brokerage and
other out-of-pocket fees and expenses which typically would be incurred in
connection with a re-lease or sale of the Aircraft, the Airframe or any Engine.
Any such determination pursuant to Section 17 of the Lease shall be made by a
recognized independent aircraft appraiser selected by Lessor and the costs and
expenses associated therewith shall be borne by Lessee, unless Lessor does not
obtain possession of the Aircraft, Airframe and Engines pursuant to Section 17
of the Lease, in which case an appraiser shall not be appointed and Fair Market
Rental Value and Fair Market Sales Value for purposes of Section 17 of the Lease
shall be zero. If the Owner Participant provides a Residual Notice pursuant to
Section 13(b)(iii) of the Lease, Fair Market Sales Value will be determined as
provided in the definition of Appraisal Procedure.

     "FAIR MARKET VALUE RENEWAL TERM" has the meaning given to such term in
Section 13(a) of the Lease.

                                        6
<Page>

     "FEDERAL AVIATION ADMINISTRATION" or "FAA" means the United States Federal
Aviation Administration and any successor agency or agencies thereto.

     "FIXED RENEWAL TERM" has the meaning given to such term in Section 13(a) of
the Lease.

     "GECC" means General Electric Capital Corporation, a New York corporation.

     "GOVERNMENT" means the United States of America or an agency or
instrumentality thereof the obligations of which bear the full faith and credit
of the United States of America.

     "GUARANTEE AGREEMENT" has the meaning given to such term in the recitals of
the Participation Agreement.

     "GUARANTEED AMOUNT" has the meaning specified in Exhibit B to the Lease.

     "INDEMNITEE" means each of Trust Company, in its individual capacity and as
Owner Trustee, the Owner Participant, and each Affiliate, officer, director,
employee, agent, servant, successor and permitted assigns of any of the
foregoing Persons.

     "LEASE" means the Lease Agreement [N281SK], dated as of February 23, 2001
between the Owner Trustee and the Lessee.

     "LEASE SUPPLEMENT" means any Lease Supplement, substantially in the form of
Exhibit A to the Lease, entered into between the Lessor and the Lessee for the
purpose of leasing the Aircraft under and pursuant to the terms of the Lease,
including any amendment thereto entered into subsequent to the Delivery Date.

     "LESSEE" means Chautauqua Airlines, Inc., a New York corporation, and its
successors and permitted assigns.

     "LESSEE DOCUMENTS" means the Operative Agreements to which the Lessee is a
party.

     "LESSOR" means First Security Bank, National Association, a national
banking association, not in its individual capacity but solely as Owner Trustee
under the Trust Agreement, and its successors and permitted assigns.

     "LESSOR'S COST" has the meaning given to such term in Exhibit B of the
Lease.

     "LESSOR'S ESTATE" means all estate, right, title and interest of the Owner
Trustee in and to the Aircraft, and Engines and the Operative Agreements (other
than the Tax Indemnity Agreement) including, without limitation, all amounts of
Rent, insurance proceeds and requisition, indemnity or other payments of any
kind.

     "LESSOR'S LENDER" has the meaning given to such term in Section 13.09 of
the Participation Agreement.

     "LESSOR'S LIENS" means Liens against, on or with respect to the Aircraft,
any Engine, the Lessor's Estate or any part thereof, title thereto or any
interest therein arising as a result of (i)

                                        7
<Page>

claims against or affecting the Lessor, in its individual capacity or as Owner
Trustee, or the Owner Participant, in each case not related to the Operative
Agreements or the transactions contemplated thereby, (ii) acts or omissions of
the Lessor in its individual capacity or as Owner Trustee, or of the Owner
Participant not contemplated or permitted under the terms of the Operative
Agreements, (iii) Taxes or Expenses imposed against the Lessor, in its
individual capacity or as Owner Trustee, Owner Participant, Lessor's Estate or
the trust created by the Trust Agreement which are not required to be
indemnified against by the Lessee pursuant to Articles 6 or 7 of the
Participation Agreement and which are not required to be indemnified against by
the Lessee pursuant to the Tax Indemnity Agreement, or (iv) claims against the
Lessor, in its individual capacity or as Owner Trustee, or the Owner Participant
arising from the transfer by the Lessor or the Owner Participant of its
interests in the Aircraft or any Engine other than a transfer of the Aircraft or
any other portion of the Lessor's Estate pursuant to Section 5(b), 7(b), 7(c),
7(d), 7(e), 8, 12(b), 13(b), 14(a) or 17 of the Lease and other than a transfer
pursuant to the exercise of the remedies set forth in Section 17 of the Lease;
PROVIDED that any Lien that is attributable solely to Owner Participant or
Lessor, in its individual capacity or as Owner Trustee, and would otherwise be
included as part of Lessor's Liens hereunder shall not constitute part of
Lessor's Liens hereunder, so long as (A) the existence of such Lien poses no
material risk of the sale, forfeiture or loss of the Aircraft, Airframe, any
Engine, the Lessor's Estate or any interest of Lessee or any other Person
therein or interference with any of Lessee's rights under any Operative
Agreement, (B) the existence of such Lien does not constitute a default by Owner
Participant or Lessor, in its individual capacity or as Owner Trustee, of its
respective obligations under the Lease, and (C) Owner Participant or Lessor, in
its individual capacity or as Owner Trustee, is diligently contesting such Lien
by appropriate proceedings.

     "LIEN" means any mortgage, pledge, lien, charge, encumbrance, lease,
security interest, claim, or other similar interest of any nature whatsoever.

     "MANUFACTURER" means EMBRAER - Empresa Brasileira de Aeronautica S.A., a
Brazilian corporation, and its successors and permitted assigns.

     "MATERIAL ADVERSE CHANGE" means, with respect to any Person, any event,
condition or circumstance that materially and adversely affects such Person's
business or consolidated financial condition.

     "MINIMUM LIABILITY AMOUNT" has the meaning given to such term in Exhibit B
to the Lease.

     "NET ECONOMIC RETURN" means the Owner Participant's nominal after-tax book
yield (utilizing the multiple investment sinking fund method of analysis),
computed through the EBO Date and the Expiration Date on the basis of the same
methodology, constraints and assumptions as were utilized by the initial Owner
Participant in determining Basic Rent percentages and Termination Value
percentages as of the Delivery Date; PROVIDED, that, if the initial Owner
Participant shall have transferred its interest, Net Economic Return shall be
calculated as if the initial Owner Participant had retained its interest.

     "NON-U.S. PERSON" means any Person other than a U.S. Person.

                                        8
<Page>

     "OFFICER'S CERTIFICATE" means as to any company a certificate signed by a
Responsible Officer of such company.

     "OPERATIVE AGREEMENTS" means the Participation Agreement, the Trust
Agreement, the FAA Bill of Sale, the Warranty Bill of Sale, the Embraer Warranty
Assignment and Consent, the Engine Warranty Assignment and Consent, the Lease,
each Lease Supplement, any Owner Participant Guaranty and the Tax Indemnity
Agreement.

     "OWNER PARTICIPANT" means General Electric Capital Corporation, a New York
corporation and its successors and permitted transferees and assigns.

     "OWNER PARTICIPANT GUARANTOR" means the provider of an Owner Participant
Guaranty.

     "OWNER PARTICIPANT GUARANTY" means any guaranty delivered or to be
delivered to support the obligations of the Owner Participant under the
Operative Agreements in connection with the transfer by the Owner Participant of
the Beneficial Interest.

     "OWNER TRUSTEE" means the Trust Company, not in its individual capacity
except as otherwise expressly stated, but solely as trustee under the Trust
Agreement, and its successors and permitted assigns.

     "PARTICIPATION AGREEMENT" means the Participation Agreement [N281SK], dated
as of February 23, 2001, among the Lessee, the Owner Trustee not in its
individual capacity except as otherwise expressly provided therein, but solely
as owner trustee and the Owner Participant.

     "PARTS" means any and all appliances, parts, instruments, components,
appurtenances, accessories, furnishings, seats, and other equipment of whatever
nature (other than complete Engines or engines and temporary replacement parts
as provided in Section 8 of the Lease and cargo containers) which may from time
to time be incorporated or installed in or attached to any Airframe or any
Engine, exclusive of any items leased by the Lessee from third parties and not
required in the navigation of the Aircraft.

     "PAST DUE RATE" means a rate per annum identified in Exhibit B to the
Lease.

     "PERMITTED AIR CARRIER" means (a) any Section 1110 Person and (b) any
foreign air carrier that is principally based in any foreign country listed on
Exhibit E to the Lease, except those that do not maintain normal diplomatic
relations with the United States.

     "PERMITTED INVESTMENTS" means (a) direct obligations of the United States
of America or any agency or instrumentality thereof, (b) obligations fully
guaranteed by the United States of America or any agency or instrumentality
thereof, (c) any mutual fund the portfolio of which is limited to obligations of
the type described in clauses (a) and (b), (d) certificates of deposit issued
by, or bankers' acceptances of, or time deposits or a deposit account with, any
bank, trust company, or national banking association incorporated or doing
business under the laws of the United States of America or one of the states
thereof, having a combined capital and surplus of at least $100,000,000 and
having a rating of "A" or better from the Keefe Bank Watch Service, (e)
commercial paper issued by companies in the United States which directly issue
their own commercial paper and which are doing business under the laws of the
United States of America

                                        9
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or one of the states thereof and in each case having a rating assigned to such
commercial paper by a nationally recognized rating organization in the United
States of America equal to the highest rating assigned by such organization, or
(f) obligations of the type described in clauses (a), (b), (d), or (e) above,
purchased from any bank, trust company, or banking association referred to in
clause (d) above pursuant to repurchase agreements obligating such bank, trust
company, or banking association to repurchase any such obligation not later than
30 days after the purchase of any such obligation. Unless otherwise specified in
writing by the Owner Trustee, all such Permitted Investments shall mature not
later than 30 days from the date of purchase.

     "PERMITTED LIEN" has the meaning given to such term in Section 10 of the
Lease.

     "PERMITTED SECURITY INTEREST" has the meaning given to such term in Section
13.09 of the Participation Agreement.

     "PERMITTED SUBLESSEE" means (a) any Permitted Air Carrier, (b) any airframe
or engine manufacturer, or Affiliate of such a manufacturer, who is domiciled in
the United States of America or a country listed on Exhibit E to the Lease or
(c) the United States of America or any instrumentality or agency thereof.

     "PERSON" means any individual, sole proprietorship, partnership, joint
venture, joint stock company, trust, unincorporated organization, association,
corporation, institution, limited liability company or government (federal,
state, local, foreign or any agency, instrumentality, division or body thereof)
or other entity of whatever nature.

     "PURCHASE PRICE" means an amount equal to Lessor's Cost.

     "REASONABLE BASIS" means that a realistic possibility of success, within
the meaning of ABA Formal Opinion No. 85-352, exists for pursuing such contest.

     "RECOVERY PERIOD" means "Tax Attribute Period" as defined in the Tax
Indemnity Agreement.

     "RELATED LEASE" means the fifteen aircraft lease agreements of Embraer
model EMB-145LR aircraft that have been or shall be entered into in years 2000
and 2001 between the Trust Company as trustee of a trust the beneficiary of
which is GECC or an Affiliate of GECC, as lessor, and the Lessee, as lessee, in
substantially the form of the Lease, each when executed and delivered by such
parties.

     "RELATED TAX INDEMNITEE" means any Affiliate of any Tax Indemnitee.

     "RENEWAL TERM" has the meaning given to such term in Section 13(a) of the
Lease.

     "RENT" means Basic Rent and Supplemental Rent, collectively.

     "REPLACEMENT AIRCRAFT" means any Aircraft of which a Replacement Airframe
is part.

                                       10
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     "REPLACEMENT AIRFRAME" means an Embraer model EMB-145LR aircraft or a
comparable or improved model of such aircraft of the Manufacturer (except
Engines or engines from time to time installed thereon) which shall have become
subject to the Lease pursuant to Section 8 thereof.

     "REPLACEMENT CLOSING DATE" has the meaning given such term in Section 8(d)
of the Lease.

     "REPLACEMENT ENGINE" means an Allison model AE3007A1P engine (or engine of
the same manufacturer of a comparable or an improved model and suitable for
installation and use on the Airframe), which has a value, utility and remaining
useful life at least equal to, and which is in good operating condition as, the
Engine to be replaced thereby (assuming that such Engine being replaced was in
the condition required to be maintained in accordance with the Lease), and which
shall have become subject to the Lease pursuant to Section 7(e) thereof.

     "RESIDUAL VALUE GUARANTEE AGREEMENT" has the meaning given to such term in
the recitals of the Participation Agreement.

     "RESPONSIBLE OFFICER" means, with respect to the Owner Trustee, any officer
in its Corporate Trust Administration, as the case may be, designated by such
Person to perform obligations under the Operative Agreements, and with respect
to any other party, any corporate officer of a party who, in the normal
performance of his or her operational responsibilities, with respect to the
subject matter of any covenant, agreement or obligation of such party pursuant
to any Operative Agreement, would have responsibility for and knowledge of such
matter and the requirements of any Operative Agreement with respect thereto.

     "SEC" means the Securities and Exchange Commission of the United States and
any successor agencies or authorities.

     "SECTION 1110" means 11 U.S.C. Section 1110 or any successor or analogous
section of the federal bankruptcy law in effect from time to time.

     "SECTION 1110 PERSON" means a Citizen of the United States who is an air
carrier holding a valid air carrier operating certificate issued pursuant to 49
U.S.C. ch. 447 for aircraft capable of carrying 10 or more individuals or 6,000
pounds or more of cargo.

     "SECURITIES ACT" means the Securities Act of 1933, as amended.

     "SELLER" means Solitair Corp., a Delaware corporation, and its successors
and permitted assigns.

     "SPECIFIED DEFAULT" means (a) an event or condition described in Section
16(a), (f), (g) or (h) of the Lease that, after the giving of notice or lapse of
time, or both, would become an Event of Default, or (b) any Event of Default.

     "SUBLEASE" means any sublease agreement between the Lessee and a Permitted
Sublessee as permitted by Section 5(b) of the Lease.

                                       11
<Page>

     "SUPPLEMENTAL RENT" means all amounts, liabilities, indemnities and
obligations which the Lessee assumes or agrees to perform or pay under the Lease
or under the Participation Agreement or Tax Indemnity Agreement or any other
Operative Agreement to the Lessor, the Owner Participant, or others, including
payments of Termination Value, EBO Amount, and amounts calculated by reference
to Termination Value, all other amounts payable under Section 3(c) of the Lease,
and all amounts required to be paid by Lessee under the agreements, covenants,
and indemnities contained in the Lease or in the Participation Agreement or the
Tax Indemnity Agreement or any other Operative Agreement, but excluding Basic
Rent.

     "TAX" or "TAXES" has the meaning set forth in Section 6.01(a) of the
Participation Agreement.

     "TAX INDEMNITEE" means each of Trust Company, individually and as Owner
Trustee, the Owner Participant and any Affiliate thereof.

     "TAX INDEMNITY AGREEMENT" means the Tax Indemnity Agreement [N281SK], dated
as of February 23, 2001 between the Lessee and the Owner Participant.

     "TERM" has the meaning given to such term in Section 3(a) of the Lease.

     "TERMINATION DATE" means each date listed in the column entitled
"Termination Date" in Exhibit D to the Lease or, during a Renewal Term or
otherwise during any period following the last day of the Term, the second day
of each month.

     "TERMINATION VALUE" means (a) as of any Termination Date during the Basic
Term, the amount determined as set forth in Exhibit D to the Lease for that
Termination Date, and (b) during any Renewal Term, the amount for the date
involved, determined in accordance with Section 13(a) of the Lease, in either
case adjusted as required by Section 3(d) of the Lease.

     "TRANSACTION COSTS" means those costs and expenses set forth in
Section 8.01(a) of the Participation Agreement.

     "TRANSPORTATION CODE" means Title 49 of the United States Code, subtitle
VII, as amended and in effect on the date of the Lease or as subsequently
amended, or any successor or substituted legislation at the time in effect and
applicable, and the regulations promulgated pursuant thereto.

     "TRUST AGREEMENT" means the Trust Agreement [N281SK], dated as of February
23, 2001, between the Owner Participant and the Trust Company.

     "TRUST COMPANY" means First Security Bank, National Association, a national
banking association, and its successors and permitted assigns.

     "TRUST ESTATE" means the Lessor's Estate.

     "UNIFORM COMMERCIAL CODE" means the Uniform Commercial Code as in effect
from time to time in any relevant jurisdiction.

                                       12
<Page>

     "UNITED STATES", "U.S." or "US" means the United States of America.

     "U.S. PERSON" means a Person described in Section 7701(a)(30) of the Code.

     "WARRANTY BILL OF SALE" means (A) the full warranty bill of sale covering
the Aircraft (and specifically referring to each Engine) executed by the Seller
in favor of the Owner Trustee and to be dated the Delivery Date, and (B) a full
warranty bill of sale covering a Replacement Aircraft (and specifically
referring to each Engine) executed by the seller thereof in favor of the Owner
Trustee.

                                       13
<Page>

                                                                     Exhibit F-1

                                RETURN CONDITIONS

This Exhibit shall apply unless Exhibit F-2 applies in accordance with its
terms, in which case Exhibit F-2 shall supercede this Exhibit.

1.       General Conditions.

         At the time of return, the Aircraft shall (i) be in compliance with the
         Maintenance Program and (ii) meet the following requirements:

         (a)      Operating Condition - The Aircraft shall be in good operating
                  condition, ordinary wear and tear excepted, with all of the
                  Aircraft equipment, components, and systems functioning in
                  accordance with their intended use. All replacement equipment,
                  parts, components or items installed on the Aircraft shall be
                  manufactured by the original manufacturer approved by the
                  Manufacturer or a manufacturer holding requisite authority of
                  the FAA, and in case of used, rotable parts, have an
                  FAA-approved serviceable tag.

         (b)      Configuration - The Aircraft shall be in the same passenger
                  configuration with all equipment installed therein as the
                  Aircraft was when delivered under the Embraer Purchase
                  Agreement, ordinary wear and tear excepted, including
                  replacements and substitute parts and equipment. The Aircraft
                  shall not suffer any modification or alteration (hereinafter
                  "Modifications") after the Delivery Date provided however that
                  Lessee may make Modifications to the Aircraft as long as they
                  are included as factory-installed features in EMB-145 aircraft
                  delivered to the Lessee subsequent to the delivery of the
                  Aircraft or otherwise in accordance with Section 7(d) of the
                  Lease. The term Modifications shall be deemed to include, but
                  not be limited to (i) changes to the Aircraft structure,
                  performance, weight and balance, (ii) changes which materially
                  adversely affect the Aircraft's flight qualities, operational
                  characteristics, operational safety, ease or cost of
                  maintenance, spare parts interchangeability or replaceability,
                  and (iii) substitution of different types of equipment or
                  accessories which are not equivalent in cost value and/or
                  operation capability to the equipment or accessories being
                  replaced, and shall exclude (x) changes pursuant to service
                  bulletins issued by the Manufacturer or the OEMs, and (y)
                  mandatory changes required to be accomplished by Lessee
                  hereunder. All permitted Modifications made to the Aircraft
                  shall be in accordance with FAA-approved data, and Lessee
                  shall provide complete data and documentation to substantiate
                  their certification, approval, and methods of compliance
                  (including, without limitation, a copy of the Aircraft
                  Illustrated Parts Catalog and a copy of the Aircraft Interior
                  Configuration document). A complete listing of all
                  modifications and repairs performed shall be supplied together
                  with the Aircraft. Modifications, other than permitted ones,
                  shall be removed

                                                                          Page 1

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                  and the appropriate repairs to the Aircraft made prior to the
                  day of return of the Aircraft.

         (c)      Certification - The Aircraft shall have, a valid and effective
                  Certificate of Airworthiness of the type "Transport, Category
                  (Passengers)" issued by the FAA, and shall be in full
                  compliance with, and capable of registration under, the
                  provisions of Part 121 of the U.S. Federal Aviation
                  Regulations (or any successor legislation) and other US
                  regulations applicable to the Aircraft's operation and
                  continued airworthiness, without any restrictions,
                  corrections, repairs, limitations, modifications or
                  alterations or overhauls having to be performed to meet such
                  standards.

         (d)      General Appearance - The Aircraft shall be clean by commercial
                  passenger airline standards, cosmetically acceptable, interior
                  complete, and prepared to be placed into scheduled revenue
                  airline operations. Interior items which may be broken shall
                  be repaired or replaced. All decals, signs and placards shall
                  be clean, secure and legible in the English language. The
                  Aircraft shall meet the following minimum requirements:

                  (i)      Fuselage, Wings and Empennage - The fuselage shall be
                           within Maintenance Program approved limits regarding
                           dents and abrasions and loose or pulled rivets; all
                           leading edges shall be within Maintenance Program
                           approved limits regarding damage occurring since
                           delivery; the airframe, Engines and wings shall be
                           free of fuel, oil and hydraulic leaks so as to allow
                           unrestricted operation; all leading edges and
                           fuselage areas which are aerodynamically critical
                           shall be free of any scab patches other than those
                           required by the Manufacturer and shall be repaired
                           with repairs which are permanent in nature in
                           accordance with the SRM, or are made in accordance
                           with the Manufacturer's approval.

                  (ii)     Interior - Ceilings, sidewalls, bulkhead panels shall
                           be clean, free of cracks and within Maintenance
                           Program approved limits regarding dents; all carpets
                           and seat covers shall be in good condition and clean
                           and meet FAR fire resistance regulations; all seats
                           shall be serviceable and in good condition. All
                           safety equipment shall be installed at the correct
                           stations, a loose equipment check list and location
                           drawings shall accompany the Aircraft and a loose
                           equipment inventory shall be drawn up on the Delivery
                           Date and checked on the day of return of the
                           Aircraft.

                  (iii)    Cockpit - All fairing panels shall be free of cracks
                           and shall be clean; all floor coverings shall be
                           clean and effectively sealed and secured, all seat
                           covers and cushions shall be in good condition and
                           clean and shall, as applicable, conform to FAA fire
                           resistance regulations. All seats shall be fully
                           serviceable and in good condition. All instruments
                           and light panels shall be

                                                                          Page 2

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                           clean, secure and legible, function in accordance
                           with their intended purpose and have all lighting
                           operating properly.

                  (iv)     Landing, Gear and Wheel Wells - The landing gear and
                           all wheel wells shall be clean, free of leaks, and
                           repaired as necessary. The main and nose landing gear
                           components and their associated actuators and parts
                           shall be in a good operating condition.

                  (v)      Cargo Compartment, Galleys and Toilets - All cargo
                           compartment panels shall be installed and be in good
                           condition so as to comply with extended range
                           operations requirements. The cargo compartments,
                           galleys and toilet of the Aircraft shall be in a
                           clean and presentable condition and all cargo
                           securing system components shall be serviceable; all
                           galley inserts (to the extent delivered with the
                           Aircraft) shall be redelivered with the Aircraft.

                  (vi)     Windows - Any delamination, and crazing of the
                           windshields and cabin windows of the Aircraft shall
                           be within approved limits of the Maintenance Program
                           and shall be properly sealed.

                  (vii)    Doors - All the doors of the Aircraft shall be free
                           moving, correctly rigged and properly sealed and all
                           door assist mechanisms shall be charged in accordance
                           with the AMM.

         (e)      Airworthiness Directives and Service Bulletins - All FAA
                  Airworthiness Directives and amendments or changes to Aviation
                  Regulations issued by the FAA and applicable to the Aircraft
                  which require compliance within a period of six (06) months
                  following the day of return of the Aircraft (or the equivalent
                  hours or cycles, based on the Lessee's or Permitted
                  Sublessee's EMB-145 last 4 (four) years of operation average
                  monthly utilization) shall have been accomplished on a
                  Terminating Action basis and in compliance with the issuing
                  agency's and the manufacturer's associated service bulletins,
                  regardless of any operator-specific waiver, deferral, or
                  deviation from such directive or regulation. The Aircraft
                  shall have installed on it all Manufacturer and OEM service
                  bulletin kits requested by Lessee and actually received by
                  Lessee in respect of the Aircraft, and if not installed,
                  Lessee shall deliver them together with the Aircraft at no
                  charge.

         (f)      Deferred Maintenance - The Aircraft shall be free of all
                  deferred or carried over maintenance items, including without
                  limitation, any pilot log book reports, maintenance reports,
                  and the Aircraft's Central Maintenance Computer reports. Any
                  such deferred or carried over maintenance shall be promptly
                  accomplished in a terminating manner prior to the return of
                  the Aircraft at the end of the term of the Lease.

                                                                          Page 3

<Page>

         (g)      Corrosion - The Maintenance Program shall include a corrosion
                  control program based on the corrosion prevention, treatment
                  and correction criteria recommended by the Manufacturer in the
                  CPCP. The Aircraft shall be free from corrosion or shall have
                  been adequately treated in compliance with the Maintenance
                  Program. Complete details of the corrosion control program, as
                  well as a summary of specific corrosion correction, of the
                  Aircraft in accordance with the Maintenance Program shall be
                  available for delivery together with the Aircraft. This
                  summary shall include Lessee's identifying the Manufacturer's
                  task identifier and cross referencing, Lessee's identifier
                  indicating status of accomplishment and findings and
                  incorporation status relative to all recommended corrective
                  and preventative actions. The hydraulic system and fuel tanks
                  shall be free from contamination as demonstrated by a
                  laboratory report to be performed after the Aircraft is
                  removed from service and delivered together with the Aircraft.

         (h)      Leased Components - The Aircraft shall be free and clear of
                  all Liens other than any Lessor's Liens or any Permitted
                  Security Interest and at return shall not have installed
                  thereon any equipment, components and/or parts which are
                  leased or loaned or otherwise owned by a third party.

         (i)      Records - The Aircraft shall be accompanied by all Aircraft
                  Documents (as defined below). The Aircraft Documents shall be
                  provided in English, and be in good condition, readable and
                  capable of being reproduced.

                  (i)      "Aircraft Document" shall mean, all technical data,
                           manuals, log books and weight and balance sheets, and
                           all inspection, modification and overhaul records and
                           other service, repair, maintenance, and technical
                           records that are maintained with respect to the
                           Aircraft, Airframe, Engines, APU, landing gears or
                           parts (including, without limitation, all additions,
                           renewals, revisions, and replacements of any such
                           materials from time to time made, or required to be
                           made, in accordance with the Maintenance Program
                           and/or FAA regulations, and in each case in whatever
                           form and by whatever means or medium such materials
                           may be maintained or retained by or on behalf of
                           Lessee (provided however that all such material shall
                           be maintained in the English language).

                  (ii)     All Parts, components and assemblies identified with
                           safe-life, hard time or condition monitored limits
                           (to the extent that such condition monitored items
                           are to be tracked in accordance with the Maintenance
                           Program) shall be provided with part number, serial
                           number, their service histories, accumulated cycles
                           and flight hours, safe-life, hard time or condition
                           monitored limits and remaining service lives on a
                           separate listing and where practicable, be physically
                           verified as installed and have hard copy
                           documentation (i.e., appropriate overhaul or
                           serviceable vendor tags and work orders) to verify
                           their service histories.

                                                                          Page 4

<Page>

                  (iii)    All components and assemblies which are identified on
                           the maintenance records by part numbers and/or serial
                           numbers other than the Manufacturer's or other
                           manufacturer's shall be provided with two-way
                           cross-reference listing necessary to establish
                           complete traceability.

                  (iv)     All documentation, flight records, and maintenance
                           records as specified herein and as specified by
                           Federal Aviation Regulations Sections 121.380, and,
                           as applicable, Section 91.417 and 91.419 (or FAR's as
                           amended), and which normally accompany the transfer
                           of an aircraft or engine shall be delivered together
                           with the Aircraft. In the event of missing or
                           incomplete records, the tasks necessary to produce
                           such complete records shall be accomplished in
                           accordance with the Maintenance Program prior to
                           return of the Aircraft.

                  (v)      All documentation and records shall be in English and
                           shall be made available for inspection in the
                           location they are normally kept which location shall
                           permit direct access to the Aircraft, at least 14
                           business days before the day of return of the
                           Aircraft.

                  (vi)     Any and all documentation, data, drawings, records
                           and manuals as required to be maintained by the FAA
                           and SMRD, shall be provided, regardless of whether
                           such information is considered proprietary.

                  (vii)    Hard Landing inspection reports, Lightning Strike
                           inspection reports or High Intensity Radiated Field
                           (HIRF) check reports as may be required should
                           Aircraft records show evidence of any occurrence
                           indicating such inspections or checks to be
                           necessary.

                  (viii)   Corrosion Prevention & Control Program (CPCP)
                           inspection findings and correction reports, as
                           required by the Maintenance Program.

                  The head of Lessee's quality control department shall sign a
                  statement certifying that the data and information contained
                  in the documentation and records are true and correct.

         (j)      Exterior Markings - At time of return of the Aircraft, Lessee
                  shall, at its cost remove from the exterior and interior of
                  the Aircraft Lessee's operator specific exterior and interior
                  markings. The area where such markings were removed or painted
                  over shall be refurbished by Lessee as necessary to blend in
                  with the surrounding surface in a good and workmanlike manner.

         (k)      Overhaul and Repair - All components, rotables, and assemblies
                  (including the Engines, APU, and landing gears) shall be
                  documented with work orders, vendor

                                                                          Page 5

<Page>

                  serviceable tags, 8130 tags, form 337, etc. to have been
                  repaired or overhauled by FAA-certified repair stations in
                  such manner so that such components, rotables, assemblies,
                  Engines, APU, and landing gears are approved by the FAA for
                  use on United States-registered and certified aircraft. All
                  overhaul and repair procedures shall have met all FAA
                  requirements necessary to transfer to a new operator under
                  Part 121 of the U.S. Federal Aviation Regulations.

         (l)      Structural Repairs - All repairs that were performed since the
                  Delivery Date and that then exist on the Aircraft shall
                  conform to the SRM and the AMM and shall have FAA approval if
                  required, including without limitation repairs related to
                  impact damage to the Aircraft caused by ground handling
                  equipment or foreign objects. All repairs not covered by the
                  SRM or the AMM shall have been made in accordance with the
                  Manufacturer's approval if required, which approval shall not
                  be unreasonablly be withheld and shall be provided with
                  complete data and documentation to verify and substantiate
                  their certification and methods of compliance. A complete
                  listing of all repairs performed shall be supplied together
                  with the Aircraft.

2.       Condition of Airframe.

         Upon its return the Aircraft shall comply with the following
conditions:

         (a)      C Check Inspection - The Airframe shall have completed, within
                  100 flight hours of return, the next sequential "C" check or
                  any multiple thereof. If the Aircraft has logged more than 100
                  flight hours since the last "C" check or any multiple thereof,
                  then Lessee shall perform the next scheduled "C" check or any
                  multiple thereof, as applicable. All observed defects observed
                  during such C check shall be rectified at Lessee's expense, in
                  accordance with the Maintenance Program;

         (b)      Structural and other scheduled Inspections - The Airframe
                  shall have at least twelve (12) months, or two thousand
                  (2,000) flight hours or cycles, whichever is applicable,
                  remaining before any scheduled structural tasks or maintenance
                  inspections which are not included in (a) above. In the event
                  that a structural task or maintenance inspection interval is
                  less than the above, Lessee shall, at its expense, perform all
                  such tasks immediately prior to return of the Aircraft;

         (c)      Landing Gear Life - The main Landing Gear and the nose Landing
                  Gear shall have at least fifty percent (50%) of the cycles
                  remaining prior to removal for overhaul in accordance with the
                  Maintenance Program, and the landing gear total cycles since
                  new ("TCSN") shall be no more than ten percent (10%) greater
                  than the airframe TCSN;

         (d)      Brakes - The brakes shall be serviceable.

                                                                          Page 6

<Page>

3.       Condition of Controlled Components.

         Aircraft and Engine hour or cycle controlled components or parts, at
         time of return to Lessor, shall have remaining, as a minimum, one half
         life and/or fifty percent (50%) of the Lessee's approved hour or cycle
         limit, whichever is applicable, before any scheduled removals for
         overhaul, test, disassembly or replacement. All components or parts
         controlled on a calendar basis shall have at least twelve (12) months
         or fifty percent (50%) of its total approved life in hours or cycles,
         if greater remaining before scheduled removal for testing, overhaul or
         replacement.

         However, if a component or part has a life, overhaul or check interval
         limit that is less than the above, Lessee shall, at its expense,
         perform all such tasks immediately prior to return. All such hour/cycle
         or calendar controlled components or parts are defined as those
         components or parts controlled under the Maintenance Program.

4.       Condition of Installed Engines and APU.

         At time of return, each Engine shall be capable of certificated, full
         rated performance and its life limited parts ("LLP") will have at least
         fifty percent (50%) of cycles remaining before replacement.

         (a)      Time remaining - Each Engine shall have completed no more than
                  two thousand five hundred (2500) flight hours since new or
                  since its last full performance restoration shop visit at
                  which it was subject to a full engine management program
                  rework, based on the reliability goals set out in Rolls-Royce
                  Alison workscope guide, which currently state that the
                  workscope is designed to give 30 degrees centigrade of exhaust
                  gas temperature margin and 5,000 flight hours of on-wing life.
                  To the extent that the shop workscope guide is amended in the
                  future to include different reliability goals then the engine
                  shall have at least fifty percent (50%) of the on-wing hours
                  remaining in accordance with such amended shop workscope
                  guide.

         (b)      Borescope Inspection - On each installed Engine an external
                  visual inspection, accessory inventory check and video-taped
                  borescope inspection in accordance with the requirements of
                  the Maintenance Program shall be performed by Lessee or a
                  designated representative as mutually agreed between Lessee
                  and Lessor during the ground inspection per Section 7(a) of
                  this Exhibit accompanied by a written report on the findings
                  of such inspection herein and satisfactory evidence shall be
                  provided to Lessor reflecting the correction of any
                  discrepancies found during such inspection.

         (c)      Adverse Trend Data - Complete engine records, including but
                  not limited to (i) Group A (Lifed) components (as listed in
                  Engine Manufacturer's Time Limits Manual) as approved by the
                  FAA and (ii) in flight performance data and (iii) shop visit
                  reports from all shop visits, shall be made available to
                  Lessor for review and evaluation. If the Aircraft and/or
                  engine historical and maintenance records and/or

                                                                          Page 7

<Page>

                  trend monitoring indicate a rate of acceleration in
                  performance deterioration or oil consumption on any installed
                  engine beyond the limits of the Maintenance Program, the
                  causes of such conditions shall have been corrected prior to
                  the return date.

         (d)      Oil spectrum analysis - an oil spectrum analysis shall be made
                  on the installed Engines after the Aircraft is removed from
                  service and a written report shall be made available together
                  with the Aircraft. Any discrepancy found in the engine's
                  lubrication system shall have been corrected prior to the
                  return date.

         (e)      APU Life -The installed APU shall have remaining at least
                  fifty percent (50%) of the expected mean time before removal
                  as evidenced by the Lessee's demonstrated on- wing last two
                  years average for APU hours, before scheduled removal for
                  overhaul, heavy maintenance, or replacement of hour limited or
                  LCF parts at the time of return. The APU shall have a video
                  taped borescope inspection and magnetic plug inspection during
                  the ground inspection per Section 7(a) of this Exhibit.

5.       Provision for "Power-By-The Hour Agreements".

         If the Engines, APU, or any other hour or cycle controlled components
         on the day of return are maintained under valid Power-By-The-Hour
         Agreements (the "PBH Agreements") (and either have been maintained
         throughout the Term under PBH Agreements, or Lessee has made payments
         to the maintenance provider to cover the period in which such
         components where not under such PBH Agreements), under which the Lessee
         is current on all payments and otherwise in good standing, then, in
         lieu of the relevant requirements in Sections 2(c), 2(d), 3, 4(a) or
         4(e) hereof, the Lessee shall return each such component in such
         condition as shall make it eligible for continued maintenance under PBH
         Agreements, without additional costs, start-up charges, or overhaul
         requirements. For the purposes hereof, a PBH Agreement shall mean a
         maintenance program, provided by the Engines, APU or component
         manufacturer or its successor or designee, providing full maintenance
         (other than routine day-to-day maintenance; provided, that
         foreign-object damage and abuse may be excluded or separately charged)
         for the such components at no cost other than standard per-cycle rates
         (i.e., excluding charges based on the current maintenance status of
         such component), all benefits of which program, including but not
         limited to the payments made by Lessee under such PBH Agreements while
         operating the Aircraft, shall be assignable or otherwise transferable
         to any other carrier without restrictions of any kind.

6.       Return Condition Adjustment.

         (a)      If the Lessee does not meet the conditions set forth for an
                  item referred to in Sections 2, 3, the first two lines of
                  Section 4 and in Section 4(a) and 4(e) (each such item, an
                  "Adjustable Item" and each such section, an "Adjustable Return
                  Condition") then Lessee shall pay to Lessor (for deficient
                  condition) an equivalency payment (the "Equivalency Payment")
                  in accordance with the following formula:

                                                                          Page 8

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                                      [*]

                  The components of the formula above shall be as agreed between
                  Lessor and Lessee. If Lessor and Lessee fail to reach
                  agreement on any components of the above formula, such amount
                  will be determined as the average price that would be charged
                  by a third party to restore the Aircraft to the conditions
                  required under the Lease and this Exhibit, based on one
                  quotation obtained by Lessor and one quotation obtained by
                  Lessee, both from a reputable, FAA and Manufacturer-approved
                  EMB-145 repair station in the United States. If the prices of
                  such quotations differ by more than ten percent (10%), Lessor
                  and Lessee shall obtain a third quotation from another
                  reputable, FAA and Manufacturer-approved EMB-145 repair
                  station in the United States, the quotation which is farthest
                  from the average of all three quotations shall be disregarded
                  and the average of the two remaining quotations shall be
                  binding upon Lessor and Lessee as the components of the
                  formula.

         (b)      The Equivalency Payment for each return condition of each
                  Adjustable Item in the relevant Section referred to in the
                  first paragraph of this Section 6, whether positive or
                  negative, shall be aggregated in order to determine the total
                  Equivalency Payment due from Lessee. For clarification, items
                  in more than the required condition shall be netted against
                  items in less than the required condition when determining the
                  amount of the total payment due, provided however that such
                  netting is only applicable to the following major components:
                  Engines, APU and landing gear. If the cumulative

---------
* Confidential

                                                                          Page 9

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                  Equivalency Payment after such netting is negative, it shall
                  be deemed to be zero.

7.       Inspection Upon Return

         Lessor shall have the right to inspect the Aircraft upon return, and
         the following conditions shall apply:

         (a)      Ground Inspection - The Aircraft including the Aircraft
                  Documents shall be made available to Lessor for ground
                  inspection by Lessor or its designee at Lessee's facilities.
                  Such inspection shall commence no later than fourteen (14)
                  business days prior to the date of return of the Aircraft.
                  Lessee shall remove the Aircraft from scheduled service and
                  open the areas of the Aircraft as required to perform the
                  necessary checks as specified in Section 2 hereof. In
                  addition, Lessee shall allow Lessor to accomplish its
                  inspection to determine that the Aircraft, including the
                  Aircraft Documents are in the condition set forth in Sections
                  1, 2, 3 and 4 hereof. During such checks, Lessor's personnel
                  shall have the right to reasonably request that adjacent
                  additional panels or areas be opened in order to allow further
                  inspection by Lessor's personnel.

         (b)      Operational Ground Check - Lessee shall conduct an operations
                  ground check on the Aircraft in accordance with the
                  Maintenance Program manual criteria for the purpose of
                  demonstrating to Lessor the satisfactory operation of the
                  systems, including a full fuel tank leak check, pilot and
                  static systems check and hydraulic system internal leak check.

         (c)      Operational Test Flight - The Aircraft shall be test flown by
                  Lessee, using qualified flight test personnel, for the amount
                  of time necessary to satisfactorily demonstrate the
                  airworthiness of the Aircraft and the proper functioning of
                  all systems and components in accordance with the agreed check
                  flight procedures. During such test flight command, care,
                  custody and control of the Aircraft shall remain at all times
                  with Lessee. Up to five (5) of Lessor's designated
                  representatives (or more if mutually agreed) may participate
                  in such flight as observers. Upon completion of such
                  operational flight-testing, the representatives of Lessee and
                  Lessor participating in such testing shall agree in writing
                  upon any discrepancies required to be corrected by Lessee in
                  order to comply with the conditions required hereunder.

         (d)      If requested by Lessor in writing, all discrepancies which are
                  noted during the inspection and acceptance flight(s) shall be
                  corrected at Lessee's expense. If such discrepancies are
                  substantiated by the Maintenance Program and Lessor determines
                  that repairs, modifications or other work items are required
                  to cause the Aircraft to comply with the requirements provided
                  herein, including, without limitation, any maintenance
                  required so that the Engines will meet all Engine parameters
                  and trends specified by the Maintenance Program, Lessee shall
                  cause such repairs and other work items to be commenced and
                  completed prior to return.

                                                                         Page 10
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8.       Definitions.

         For the purpose of this Exhibit, the following terms have the following
meanings:

         APU shall mean the auxiliary power unit bearing serial number
         SP-E004330, and any substitute APU which may from time to time be
         substituted therefor pursuant to the terms of the Lease.

         MAINTENANCE PROGRAM: means the Lessee's maintenance program as
         originally agreed between the Manufacturer and Lessee, as such program
         may be from time to time amended and supplemented by Lessee and which
         (i) shall have been approved by the FAA, (ii) shall fully comply with
         the requirements of the FAA for the EMB-145 and Rolls-Royce Allison
         AE3007A1 aero engines (or an improved model, as the case may be)
         installed thereon, and (iii) shall incorporate the requirements of the
         EMB-145 Scheduled Maintenance Requirements Document Part 1 ("SMRD"),
         the Aircraft Maintenance Manual ("AMM"), the Structural Repair Manual
         ("SRM"), the Corrosion Prevention and Correction Program ("CPCP") and
         the Original Equipment Manufacturers' ("OEMs") maintenance manuals,
         (all of the foregoing as from time to time amended or supplemented),
         the Service Newsletters and the service bulletins issued by the
         Manufacturer and all OEMs.

         CALENDAR CONTROLLED COMPONENTS OR PARTS: those components or parts
         identified in the MRB Report which have maintenance tasks at specific
         calendar-time intervals.

         CYCLE-CONTROLLED COMPONENTS OR PARTS: those components or parts
         identified in the MRB Report which have maintenance tasks at specific
         flight-cycle intervals.

         HOUR-CONTROLLED COMPONENTS OR PARTS: those components or parts
         identified in the MRB Report which have maintenance tasks at specific
         flight-hour intervals.

         LIFE CYCLE FATIGUE ("LCF") PARTS: those rotating parts which have
         specific cycle limits as specified by the manufacturer to preclude
         cycle fatigue failures.

         MAINTENANCE REVIEW BOARD REPORT ("MRB REPORT"): the report published by
         the maintenance review board detailing the intervals and description of
         the maintenance tasks and, where applicable, the life limits required
         for continued airworthiness of the Aircraft. Where the intervals
         specified in the MRB Report differ from the limit specified by the
         component manufacturer, the MRB Report shall take precedence.

         TERMINATING ACTION: the alteration or modification of the Aircraft in
         accordance with mandatory service bulletins, orders, airworthiness
         directives, and instructions required to eliminate repetitive
         inspections or maintenance action.

                                                                         Page 11
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                                                                     Exhibit F-2

                                RETURN CONDITIONS

This Exhibit shall apply only if Owner Participant notifies Lessee not later
than 150 days prior to the end of the Basic Term that it is demanding payment of
a deficiency amount under the Residual Value Guarantee Agreement and certifies
to Lessee the appraised fair market sales value of the Aircraft as determined
under the Residual Value Guarantee Agreement that is the basis for such claim
and the amount of the deficiency so claimed except that this Exhibit shall be
assumed to apply for the purposes stated in the definition of "Appraisal
Procedure".

1.       General Conditions.

         At the time of return, the Aircraft shall (i) have been continuously
         and currently maintained in accordance with the Maintenance Program as
         authorized by the FAA, as if the Aircraft were to be kept in further
         commercial passenger service by Lessee and (ii) meet the following
         requirements:

         (a)      Operating Condition - The Aircraft shall be in good operating
                  condition, ordinary wear and tear excepted, with all of the
                  Aircraft equipment, components, and systems functioning in
                  accordance with their intended use irrespective of variations
                  or deviations authorized by the Minimum Equipment List or
                  Configuration Deviation List. All replacement equipment,
                  parts, components or items installed on the Aircraft shall be
                  manufactured by the original manufacturer approved by the
                  Manufacturer or a manufacturer holding requisite authority of
                  the FAA, and in case of used, rotable parts, have an
                  FAA-approved serviceable tag.

         (b)      Configuration - The Aircraft shall be in the same passenger
                  configuration with all equipment installed therein as the
                  Aircraft was when delivered under the Embraer Purchase
                  Agreement, ordinary wear and tear excepted, including
                  replacements and substitute parts and equipment. The Aircraft
                  shall not suffer any modification or alteration (hereinafter
                  "Modifications") after the Delivery Date provided however that
                  Lessee may make Modifications to the Aircraft as long as they
                  are included as factory-installed features in EMB-145 aircraft
                  delivered to the Lessee subsequent to the delivery of the
                  Aircraft. The term Modifications shall be deemed to include,
                  but not be limited to (i) changes to the Aircraft structure,
                  performance, weight and balance, (ii) changes which materially
                  adversely affect the Aircraft's flight qualities, operational
                  characteristics, operational safety, ease or cost of
                  maintenance, spare parts interchangeability or replaceability,
                  and (iii) substitution of different types of equipment or
                  accessories which are not equivalent in cost value and/or
                  operation capability to the equipment or accessories being
                  replaced, and shall exclude (x) changes pursuant to service
                  bulletins issued by the Manufacturer or the OEMs, and (y)
                  mandatory changes required to be accomplished by Lessee
                  hereunder. All permitted Modifications made to the Aircraft
                  shall be in accordance with FAA-

                                                                          Page 1

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                  approved data, and Lessee shall provide complete data and
                  documentation to substantiate their certification, approval,
                  and methods of compliance (including, without limitation, a
                  copy of the Aircraft Illustrated Parts Catalog and a copy of
                  the Aircraft Interior Configuration document). A complete
                  listing of all modifications and repairs performed shall be
                  supplied together with the Aircraft. Modifications, other than
                  permitted ones, shall be removed and the appropriate repairs
                  to the Aircraft made prior to the day of return of the
                  Aircraft.

         (c)      Certification - The Aircraft shall have, a valid and effective
                  Certificate of Airworthiness of the type "Transport, Category
                  (Passengers)" issued by the FAA, and shall be in full
                  compliance with, and capable of registration under, the
                  provisions of Part 121 of the U.S. Federal Aviation
                  Regulations (or any successor legislation) and other US
                  regulations applicable to the Aircraft's operation and
                  continued airworthiness, without any restrictions,
                  corrections, repairs, limitations, modifications or
                  alterations or overhauls having to be performed to meet such
                  standards.

         (d)      General Appearance - The Aircraft shall be clean by commercial
                  passenger airline standards, cosmetically acceptable, interior
                  complete, and prepared to be placed into scheduled revenue
                  airline operations. Interior items which may be broken shall
                  be repaired or replaced. All decals, signs and placards shall
                  be clean, secure and legible in the English language. The
                  Aircraft shall meet the following minimum requirements:

                  (i)      Fuselage, Wings and Empennage - The fuselage shall be
                           within Maintenance Program approved limits regarding
                           dents and abrasions and loose or pulled rivets; all
                           leading edges shall be within Maintenance Program
                           approved limits regarding damage occurring since
                           delivery; the airframe, Engines and wings shall be
                           free of fuel, oil and hydraulic leaks so as to allow
                           unrestricted operation; all leading edges and
                           fuselage areas which are aerodynamically critical
                           shall be free of any scab patches other than those
                           required by the Manufacturer and shall be repaired
                           with repairs which are permanent in nature in
                           accordance with the SRM, or are made in accordance
                           with the Manufacturer's approval.

                  (ii)     Interior - Ceilings, sidewalls, bulkhead panels shall
                           be clean, free of cracks and within Maintenance
                           Program approved limits regarding dents; all carpets
                           and seat covers shall be in good condition and clean
                           and meet FAR fire resistance regulations; all seats
                           shall be serviceable and in good condition. All
                           safety equipment shall be installed at the correct
                           stations, a loose equipment check list and location
                           drawings shall accompany the Aircraft and a loose
                           equipment inventory shall be drawn up on the Delivery
                           Date and checked on the day of return of the
                           Aircraft.

                  (iii)    Cockpit - All fairing panels shall be free of cracks
                           and shall be clean; all floor coverings shall be
                           clean and effectively sealed and secured, all seat
                           covers

                                                                          Page 2

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                           and cushions shall be in good condition and clean and
                           shall, as applicable, conform to FAA fire resistance
                           regulations. All seats shall be fully serviceable and
                           in good condition. All instruments and light panels
                           shall be clean, secure and legible, function in
                           accordance with their intended purpose and have all
                           lighting operating properly.

                  (iv)     Landing, Gear and Wheel Wells - The landing gear and
                           all wheel wells shall be clean, free of leaks, and
                           repaired as necessary. The main and nose landing gear
                           components and their associated actuators and parts
                           shall be in a good operating condition.

                  (v)      Cargo Compartment, Galleys and Toilets - All cargo
                           compartment panels shall be installed and be in good
                           condition so as to comply with extended range
                           operations requirements. The cargo compartments,
                           galleys and toilet of the Aircraft shall be in a
                           clean and presentable condition and all cargo
                           securing system components shall be serviceable; all
                           galley inserts (to the extent delivered with the
                           Aircraft) shall be redelivered with the Aircraft.

                  (vi)     Windows - Any delamination, and crazing of the
                           windshields and cabin windows of the Aircraft shall
                           be within approved limits of the Maintenance Program
                           and shall be properly sealed.

                  (vii)    Doors - All the doors of the Aircraft shall be free
                           moving, correctly rigged and properly sealed and all
                           door assist mechanisms shall be charged in accordance
                           with the AMM.

         (e)      Airworthiness Directives and Service Bulletins - All FAA
                  Airworthiness Directives and amendments or changes to Aviation
                  Regulations issued by the FAA and applicable to the Aircraft
                  which require compliance within a period of six (06) months
                  following the day of return of the Aircraft (or the equivalent
                  hours or cycles, based on the Lessee's EMB-145 last 4 (four)
                  years of operation average monthly utilization) shall have
                  been accomplished on a Terminating Action basis and in
                  compliance with the issuing agency's and the manufacturer's
                  associated service bulletins, regardless of any
                  operator-specific waiver, deferral, or deviation from such
                  directive or regulation. The Aircraft shall have installed on
                  it all Manufacturer and OEM service bulletin kits requested by
                  Lessee and actually received by Lessee in respect of the
                  Aircraft, and if not installed, Lessee shall deliver them
                  together with the Aircraft at no charge.

         (f)      Deferred Maintenance - The Aircraft shall be free of all
                  deferred or carried over maintenance items, including without
                  limitation, any pilot log book reports, maintenance reports,
                  and the Aircraft's Central Maintenance Computer reports. Any
                  such deferred or carried over maintenance shall be promptly
                  accomplished in a

                                                                          Page 3

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                  terminating manner prior to the return of the Aircraft at the
                  end of the term of the Lease.

         (g)      Corrosion - The Maintenance Program shall include a corrosion
                  control program based on the corrosion prevention, treatment
                  and correction criteria recommended by the Manufacturer in the
                  CPCP. The Aircraft shall be free from corrosion or shall have
                  been adequately treated in compliance with the Maintenance
                  Program. Complete details of the corrosion control program, as
                  well as a summary of specific corrosion correction, of the
                  Aircraft in accordance with the Maintenance Program shall be
                  available for delivery together with the Aircraft. This
                  summary shall include Lessee's identifying the Manufacturer's
                  task identifier and cross referencing, Lessee's identifier
                  indicating status of accomplishment and findings and
                  incorporation status relative to all recommended corrective
                  and preventative actions. The hydraulic system and fuel tanks
                  shall be free from contamination as demonstrated by a
                  laboratory report to be performed after the Aircraft is
                  removed from service and delivered together with the Aircraft.

         (h)      Leased Components - The Aircraft shall be free and clear of
                  all Liens and at return shall not have installed thereon any
                  equipment, components and/or parts which are leased or loaned
                  or otherwise owned by a third party.

         (i)      Records - The Aircraft shall be accompanied by all Aircraft
                  Documents (as defined below). The Aircraft Documents shall be
                  provided in English, and be in good condition, readable and
                  capable of being reproduced.

                  (i)      "Aircraft Document" shall mean, all technical data,
                           manuals, log books and weight and balance sheets, and
                           all inspection, modification and overhaul records and
                           other service, repair, maintenance, and technical
                           records that are maintained with respect to the
                           Aircraft, Airframe, Engines, APU, landing gears or
                           parts (including, without limitation, all additions,
                           renewals, revisions, and replacements of any such
                           materials from time to time made, or required to be
                           made, in accordance with the Maintenance Program
                           and/or FAA regulations, and in each case in whatever
                           form and by whatever means or medium such materials
                           may be maintained or retained by or on behalf of
                           Lessee (provided however that all such material shall
                           be maintained in the English language).

                  (ii)     All Parts, components and assemblies identified with
                           safe-life, hard time or condition monitored limits
                           (to the extent that such condition monitored items
                           are to be tracked in accordance with the approved
                           Maintenance Program) shall be provided with part
                           number, serial number, their service histories,
                           accumulated cycles and flight hours, safe-life, hard
                           time or condition monitored limits and remaining
                           service lives on a separate listing and where
                           practicable, be physically verified as installed and
                           have hard copy

                                                                          Page 4

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                           documentation (i.e., appropriate overhaul or
                           serviceable vendor tags and work orders) to verify
                           their service histories.

                  (iii)    All components and assemblies, which are, identified
                           on the maintenance records by part numbers and/or
                           serial numbers other than the Manufacturer's or other
                           manufacturer's shall be provided with two-way
                           cross-reference listing necessary to establish
                           complete traceability.

                  (iv)     All documentation, flight records, and maintenance
                           records as specified herein and as specified by
                           Federal Aviation Regulations Sections 121.380, and,
                           as applicable, Section 91.417 and 91.419 (or FAR's as
                           amended), and which normally accompany the transfer
                           of an aircraft or engine shall be delivered together
                           with the Aircraft. In the event of missing or
                           incomplete records, the tasks necessary to produce
                           such complete records shall be accomplished in
                           accordance with the Maintenance Program prior to
                           return of the Aircraft.

                  (v)      All documentation and records shall be in English and
                           shall be made available for inspection in the
                           location they are normally kept which location shall
                           permit direct access to the Aircraft, at least 14
                           business days before the day of return of the
                           Aircraft.

                  (vi)     Any and all documentation, data, drawings, records
                           and manuals as required to be maintained by the FAA
                           and SMRD, shall be provided, regardless of whether
                           such information is considered proprietary.

                  (vii)    Hard Landing inspection reports, Lightning Strike
                           inspection reports or High Intensity Radiated Field
                           (HIRF) check reports as may be required should
                           Aircraft records show evidence of any occurrence
                           indicating such inspections or checks to be
                           necessary.

                  (viii)   Corrosion Prevention & Control Program (CPCP)
                           inspection findings and correction reports, as
                           required by the Maintenance Program.

                  The head of Lessee's quality control department shall sign a
                  statement certifying that the data and information contained
                  in the documentation and records are true and correct.

         (j)      Exterior Markings - At time of return of the Aircraft, Lessee
                  shall, at its cost remove from the exterior and interior of
                  the Aircraft Lessee's operator specific exterior and
                  interior markings. The area where such markings were removed
                  or painted over shall be refurbished by Lessee as necessary to
                  blend in with the surrounding surface in a good and
                  workmanlike manner.

                                                                          Page 5

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         (k)      Overhaul and Repair - All components, rotables, and assemblies
                  (including the Engines, APU, and landing gears) shall be
                  documented with work orders, vendor serviceable tags, 8130
                  tags, form 337, etc. to have been repaired or overhauled by
                  FAA-certified repair stations in such manner so that such
                  components, rotables, assemblies, Engines, APU, and landing
                  gears are approved by the FAA for use on United
                  States-registered and certified aircraft. All overhaul and
                  repair procedures shall have met all FAA requirements
                  necessary to transfer to a new operator under Part 121 of the
                  U.S. Federal Aviation Regulations.

         (l)      Structural Repairs - All repairs that were performed since the
                  Delivery Date and that then exist on the Aircraft shall
                  conform to the SRM and the AMM and shall have FAA approval if
                  required, including without limitation repairs related to
                  impact damage to the Aircraft caused by ground handling
                  equipment or foreign objects. All repairs not covered by the
                  SRM or the AMM shall have been made in accordance with the
                  Manufacturer's approval if required, which approval shall not
                  be unreasonablly be withheld and shall be provided with
                  complete data and documentation to verify and substantiate
                  their certification and methods of compliance. A complete
                  listing of all repairs performed shall be supplied together
                  with the Aircraft.

2.       Condition of Airframe.

         On the day of return, the Aircraft shall be as follows:

         (a)      C Check Inspection - The Airframe shall have completed, within
                  100 flight hours of return, the next sequential "C" check or
                  any multiple thereof. If the Aircraft has logged more than 100
                  flight hours since the last "C" check or any multiple thereof,
                  then Lessee shall perform the next scheduled "C" check or any
                  multiple thereof, as applicable. All observed defects observed
                  during such C check shall be rectified at Lessee's expense, in
                  accordance with the Maintenance Program;

         (b)      Structural and other scheduled Inspections - The Airframe
                  shall have at least twelve (12) months, or two thousand
                  (2,000) flight hours or cycles, whichever is applicable or
                  most limiting, remaining before any scheduled structural tasks
                  or maintenance inspections which are not included in (a)
                  above. In the event that a structural task or maintenance
                  inspection interval is less than the above, Lessee shall, at
                  its expense, perform all such tasks immediately prior to
                  return of the Aircraft;

         (c)      Landing Gear Life - The main Landing Gear and the nose Landing
                  Gear shall have at least fifty percent (50%) of the cycles
                  remaining prior to removal for overhaul in accordance with the
                  Maintenance Program, and the landing gear total cycles since
                  new ("TCSN") shall be no more than ten percent (10%) greater
                  than the airframe TCSN;

                                                                          Page 6

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         (d)      Brakes - The brakes shall have no less than the C check brake
                  wear limits with the brakes set at normal parking break
                  pressure. The tires shall have a remaining useful life of at
                  least fifty percent (50%).

3.       Condition of Controlled Components.

         Aircraft and Engine hour or cycle controlled components or parts, at
         time of return to Lessor, shall have remaining, as a minimum, one half
         life and/or fifty percent (50%) of the Lessee's approved hour or cycle
         limit, whichever is applicable or most limiting, before any scheduled
         removals for overhaul, test, disassembly or replacement. All components
         or parts controlled on a calendar basis shall have at least twelve (12)
         months or fifty percent (50%) of its total approved life in hours or
         cycles, if greater remaining before scheduled removal for testing,
         overhaul or replacement.

         However, if a component or part has a life, overhaul or check interval
         limit that is less than the above, Lessee shall, at its expense,
         perform all such tasks immediately prior to return. All such hour/cycle
         or calendar controlled components or parts are defined as those
         components or parts controlled under the Maintenance Program.

4.       Condition of Installed Engines and APU.

         At time of return, each Engine shall be capable of certificated, full
         rated performance and its life limited parts ("LLP") will have at least
         fifty percent (50%) of cycles remaining before replacement.

         (a)      Time remaining - Each Engine shall have completed no more than
                  two thousand five hundred (2500) flight hours since new or
                  since its last full performance restoration shop visit at
                  which it was subject to a full engine management program
                  rework, based on the reliability goals set out in RR Alison
                  workscope guide, which currently state that the workscope is
                  designed to give 30 degrees centigrade of exhaust gas
                  temperature margin and 5,000 flight hours of on-wing life. To
                  the extent that the shop workscope guide is amended in the
                  future to include different reliability goals then the engine
                  shall have at least fifty percent (50%) of the on-wing hours
                  remaining in accordance with such amended shop workscope
                  guide.

         (b)      Borescope Inspection - On each installed Engine an external
                  visual inspection, accessory inventory check and video-taped
                  borescope inspection in accordance with the requirements of
                  the Maintenance Program shall be performed by Lessee or a
                  designated representative as mutually agreed between Lessee
                  and Lessor during the ground inspection per Section 7(a) of
                  this Exhibit accompanied by a written report on the findings
                  of such inspection herein and satisfactory evidence shall be
                  provided to Lessor reflecting the correction of any
                  discrepancies found during such inspection.

                                                                          Page 7

<Page>

         (c)      Adverse Trend Data - Complete engine records, including but
                  not limited to (i) Group A (Lifed) components (as listed in
                  Engine Manufacturer's Time Limits Manual) as approved by the
                  FAA and (ii) in flight performance data and (iii) shop visit
                  reports from all shop visits, shall be made available to
                  Lessor for review and evaluation. If the Aircraft and/or
                  engine historical and maintenance records and/or trend
                  monitoring indicate a rate of acceleration in performance
                  deterioration or oil consumption on any installed engine
                  beyond the limits of the Maintenance Program, the causes of
                  such conditions shall have been corrected prior to the return
                  date.

         (d)      Oil spectrum analysis - an oil spectrum analysis shall be made
                  on the installed Engines after the Aircraft is removed from
                  service and a written report shall be made available together
                  with the Aircraft. Any discrepancy found in the engine's
                  lubrication system shall have been corrected prior to the
                  return date.

         (e)      APU Life -The installed APU shall have remaining at least
                  fifty percent (50%) of the expected mean time before removal
                  as evidenced by the Lessee's demonstrated on- wing last two
                  years average for APU hours, before scheduled removal for
                  overhaul, heavy maintenance, or replacement of hour limited or
                  LCF parts at the time of return. The APU shall have a video
                  taped borescope inspection and magnetic plug inspection during
                  the ground inspection per Section 7(a) of this Exhibit.

5.       Provision for "Power-By-The Hour Agreements".

         If the Engines, APU, or any other hour or cycle controlled components
         on the day of return are maintained under valid Power-By-The-Hour
         Agreements (the "PBH Agreements") (and either have been maintained
         throughout the Term under PBH Agreements, or Lessee has made payments
         to the maintenance provider to cover the period in which such
         components where not under such PBH Agreements), under which the Lessee
         is current on all payments and otherwise in good standing, then, in
         lieu of the relevant requirements in Sections 2(c), 2(d), 3, 4(a) or
         4(e) hereof, the Lessee shall return each such component in such
         condition as shall make it eligible for continued maintenance under PBH
         Agreements, without additional costs, start-up charges, or overhaul
         requirements. For the purposes hereof, a PBH Agreement shall mean a
         maintenance program, provided by the Engines, APU or component
         manufacturer or its successor or designee, providing full maintenance
         (other than routine day-to-day maintenance; provided, that
         foreign-object damage and abuse may be excluded or separately charged)
         for the such components at no cost other than standard per-cycle rates
         (i.e., excluding charges based on the current maintenance status of
         such component), all benefits of which program, including but not
         limited to the payments made by Lessee under such PBH Agreements while
         operating the Aircraft, shall be assignable or otherwise transferable
         to any other carrier without restrictions of any kind.

6.       Return Condition Adjustment.

                                                                          Page 8

<Page>

         (a)      Each item referred to in Sections 2(c), 2(d), 3, the first two
                  lines of Section 4 and in Section 4(a) and 4(e) (each such
                  item, an "Adjustable Item" and each such section, an
                  "Adjustable Return Condition") may be returned with less than
                  the required limits, subject, however, to the minimum
                  requirements set forth in item (e) below.

         (b)      If the Lessee does not meet the conditions set forth for an
                  Adjustable Item in the relevant Adjustable Return Condition
                  then Lessee shall pay to the Lessor (for deficient condition)
                  an Equivalency Payment in accordance with the following
                  formula:

                                                [*]

                  The components of the formula above shall be as agreed between
                  Lessor and the Lessee. If Lessor and the Lessee fail to reach
                  agreement on any components of the above formula, such amount
                  will be determined as the average price that would be charged
                  by a third party to restore the Aircraft to the conditions
                  required under the Lease and this Exhibit, based on one
                  quotation obtained by Lessor and one quotation obtained by
                  Lessee, both from a reputable, FAA and Manufacturer-approved
                  EMB- 145 repair station in the United States. If the prices of
                  such quotations differ by more than ten percent (10%), Lessor
                  and Lessee shall obtain a third quotation from another
                  reputable, FAA and Manufacturer-approved EMB-145 repair
                  station in the United States, the quotation which is farthest
                  from the average of all three quotations shall be disregarded
                  and the average of the two

----------
* Confidential

                                                                          Page 9

<Page>

                  remaining quotations shall be binding upon Lessor and Lessee
                  as the components of the formula.

         (c)      The Equivalency Payment for each return condition of each
                  Adjustable Item in the relevant Section referred to in the
                  first paragraph of this Section 6, whether positive or
                  negative, shall be aggregated in order to determine the total
                  Equivalency Payment due from Lessee. (For clarification, items
                  in more than the required condition shall be netted against
                  items in less than the required condition when determining the
                  amount of the total payment due, provided however that such
                  netting is only applicable to the following major components:
                  Engines, APU and landing gear). If the cumulative Equivalency
                  Payment after such netting is negative, it shall be deemed to
                  be zero.

         (d)      In no event shall the Equivalency Payment due from the Lessee
                  to the Manufacturer exceed the aggregate amount of any payment
                  and expenses that the Manufacturer may make under the Residual
                  Value Guarantee Agreement.

         (e)      Notwithstanding the equivalency charges that may be otherwise
                  payable or available under this Section 6, if:

                  (i)      Any installed Engine has completed more than 3,750
                           flight hours since new or since its last full
                           performance restoration shop visit at which it was
                           subject to a full engine management program rework
                           (or less than twenty-five percent (25%) of the
                           on-wing hours remaining in accordance with an amended
                           RR Allison shop workscope guide),

                  (ii)     Any Engine life limited part has a remaining useful
                           life until the next scheduled replacement of less
                           than twenty five percent (25%),

                  (iii)    The APU has remaining less than twenty five (25%) of
                           the expected mean time before removal,

                  (iv)     The main landing gear or the nose landing gear has
                           less than twenty five percent (25%) of the cycles
                           remaining prior to removal for overhaul, or the
                           cycles exceed one hundred and ten percent (110%) of
                           the airframe, or

                  (v)      The brakes have less than the C check brake wear
                           limits with the brakes set at normal parking break
                           pressure, or the tires have a remaining useful life
                           of less than twenty five percent (25%),

                  then, in any such case, Lessee shall, at its own cost and
                  expense, overhaul, refurbish and/or replace each non-complying
                  item so that it meets the applicable level specified in items
                  (i) through (v) above.

                                                                         Page 10

<Page>

7.       Inspection Upon Return

         Lessor shall have the right to inspect the Aircraft upon return, and
         the following conditions shall apply:

         (a)      Ground Inspection - The Aircraft including the Aircraft
                  Documents shall be made available to Lessor for ground
                  inspection by Lessor or its designee at Lessee's facilities.
                  Such inspection shall commence no later than fourteen (14)
                  business days prior to the date of return of the Aircraft.
                  Lessee shall remove the Aircraft from scheduled service and
                  open the areas of the Aircraft as required to perform the
                  necessary checks as specified in Section 2 hereof. In
                  addition, Lessee shall allow Lessor to accomplish its
                  inspection to determine that the Aircraft, including the
                  Aircraft Documents are in the condition set forth in Sections
                  1, 2, 3 and 4 hereof. During such checks, Lessor's personnel
                  shall have the right to reasonably request that adjacent
                  additional panels or areas be opened in order to allow further
                  inspection by Lessor's personnel.

         (b)      Operational Ground Check - Lessee shall conduct an operations
                  ground check on the Aircraft in accordance with the
                  Maintenance Program manual criteria for the purpose of
                  demonstrating to Lessor the satisfactory operation of the
                  systems, including a full fuel tank leak check, pilot and
                  static systems check and hydraulic system internal leak check.

         (c)      Operational Test Flight - The Aircraft shall be test flown by
                  Lessee, using qualified flight test personnel, for the amount
                  of time necessary to satisfactorily demonstrate the
                  airworthiness of the Aircraft and the proper functioning of
                  all systems and components in accordance with the agreed check
                  flight procedures. During such test flight command, care,
                  custody and control of the Aircraft shall remain at all times
                  with Lessee. Up to five (5) of Lessor's designated
                  representatives (or more if mutually agreed) may participate
                  in such flight as observers. Upon completion of such
                  operational flight-testing, the representatives of Lessee and
                  Lessor participating in such testing shall agree in writing
                  upon any discrepancies required to be corrected by Lessee in
                  order to comply with the conditions required hereunder.

         (d)      If requested by Lessor in writing, all discrepancies, which
                  are noted during the inspection and acceptance flight(s),
                  shall be corrected at Lessee's expense. If such discrepancies
                  are substantiated by the Maintenance Program and Lessor
                  determines that repairs, modifications or other work items are
                  required to cause the Aircraft to comply with the requirements
                  provided herein, including, without limitation, any
                  maintenance required so that the Engines will meet all Engine
                  parameters and trends specified by the Maintenance Program,
                  Lessee shall cause such repairs and other work items to be
                  commenced and completed prior to return.

                                                                         Page 11

<Page>

8.       Definitions.

         APPRAISAL PROCEDURE: this procedure shall apply only if Owner
         Participant provides a Residual Notice pursuant to Section 13(b)(iii)
         of the Lease and shall be used in such case to determine the Fair
         Market Sales Value of the Aircraft as herein provided. Manufacturer,
         Owner Participant and Lessee shall, within thirty (30) calendar days
         after Owner Participant has delivered a Residual Notice, each obtain
         appraisal values from a recognized independent appraiser (one to be
         selected by Manufacturer, one by Owner Participant, and one by Lessee),
         and the average value as determined by the appraisers shall be binding
         on Manufacturer, Owner Participant and Lessee; provided that if the
         value or values determined by one or more of the appraisers differs
         from the average of the values determined by all three appraisers by
         more than five percent (5%) of such average, the value which differs
         the most from such average shall be excluded, and the average of the
         values determined by the other two appraisers shall be binding on
         Manufacturer, Owner Participant and Lessee. Manufacturer, Owner
         Participant and Lessee shall each pay its own appraiser. Each appraiser
         must be associated with a professional organization of aircraft
         appraisers and each appraisal shall be conducted pursuant to ISTAT 1994
         (or any successor) appraisal methods, definitions and assumptions. Fair
         Market Sales Value as determined hereunder shall mean the value that
         would be obtained in an arms'-length transaction between an informed
         and willing buyer-user (other than a lessee currently in possession or
         a used equipment dealer) under no compulsion to buy and an informed and
         willing seller under no compulsion to sell. In determining Fair Market
         Sales Value, it will be assumed that the Aircraft is in the condition,
         location and overhaul status in which it is required to be returned to
         the Lessor pursuant to Section 12 of the Lease, that Exhibit F-2 of the
         Lease will apply, that the Lessee has removed all Parts which it is
         entitled to remove pursuant to Section 7 of the Lease and that the
         Aircraft is not encumbered by the Lease or any Lien.

         APU shall mean the auxiliary power unit bearing serial number
         SP-E004330, and any substitute APU which may from time to time be
         substituted therefor pursuant to the terms of the Lease.

         MAINTENANCE PROGRAM: means the Lessee's maintenance program as
         originally agreed between the Manufacturer and Lessee, as such program
         may be from time to time amended and supplemented by Lessee and which
         (i) shall have been approved by the FAA, (ii) shall fully comply with
         the requirements of the FAA for the EMB-145 and Rolls-Royce Allison
         AE3007A1 aero engines (or an improved model, as the case may be)
         installed thereon, and (iii) shall incorporate the requirements of the
         EMB-145 Scheduled Maintenance Requirements Document Part 1 ("SMRD"),
         the Aircraft Maintenance Manual ("AMM"), the Structural Repair Manual
         ("SRM"), the Corrosion Prevention and Correction Program ("CPCP") and
         the Original Equipment Manufacturers' ("OEMs") maintenance manuals,
         (all of the foregoing as from time to time amended or supplemented),
         the Service Newsletters and the service bulletins issued by the
         Manufacturer and all OEMs.

         CALENDAR CONTROLLED COMPONENTS OR PARTS: those components or parts,
         which are identified in

                                                                         Page 12

<Page>

         the MRB Report which have maintenance tasks at specific calendar-time
         intervals.

         CYCLE-CONTROLLED COMPONENTS OR PARTS: those components or parts, which
         are identified in the MRB Report which have maintenance tasks at
         specific flight-cycle intervals.

         HOUR-CONTROLLED COMPONENTS OR PARTS: those components or parts, which
         are identified in the MRB Report which have maintenance tasks at
         specific flight-hour intervals.

         LIFE CYCLE FATIGUE ("LCF") PARTS: those rotating parts which have
         specific cycle limits as specified by the manufacturer to preclude
         cycle fatigue failures.

         MAINTENANCE REVIEW BOARD REPORT ("MRB REPORT"): the report published by
         the maintenance review board detailing the intervals and description of
         the maintenance tasks and, where applicable, the life limits required
         for continued airworthiness of the Aircraft. Where the intervals
         specified in the MRB Report differ from the limit specified by the
         component manufacturer, the MRB Report shall take precedence.

         TERMINATING ACTION: the alteration or modification of the Aircraft in
         accordance with mandatory service bulletins, orders, airworthiness
         directives, and instructions required to eliminate repetitive
         inspections or maintenance action.

                                                                         Page 13

<Page>

NOTE TO EXHIBIT 10.23

The 15 additional Lease Agreements are substantially identical in all
material respects to the filed Lease Agreement except as follows:

<Table>
<Caption>

------------------------------------- ----------------------------------- -----------------------------------
            TAIL NUMBER                          CLOSING DATE                     OWNER-PARTICIPANT

------------------------------------- ----------------------------------- -----------------------------------
<S>                                   <C>                                 <C>
             N265SK                           June, 2000                  General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N267SK                           June, 2000                  General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N268SK                           June, 2000                  General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N269SK                           August, 2000                General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N270SK                           August, 2000                General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N271SK                           September, 2000             General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N272SK                           September, 2000             General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N273SK                           November, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N274SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N275SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N276SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N277SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N278SK                           February, 2001              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N279SK                           January, 2001               Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N280SK                           February, 2001              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------

------------------------------------- ----------------------------------- -----------------------------------

------------------------------------- ----------------------------------- -----------------------------------
</Table><Page>
                                                                 Exhibit 10.23a

                         LEASE SUPPLEMENT NO. 1 [N281SK]

          THIS LEASE SUPPLEMENT NO. 1 [N281SK] dated February 23, 2001, between
FIRST SECURITY BANK, NATIONAL ASSOCIATION, not in its individual capacity, but
solely as Owner Trustee, except as otherwise provided herein, the Lessor, and
CHAUTAUQUA AIRLINES, INC., a New York corporation, the Lessee;

                              W I T N E S S E T H :

          WHEREAS, the Lessor and the Lessee have heretofore entered into that
certain Lease Agreement [N281SK], dated as of February 23, 2001 (the "Lease",
the terms defined therein being herein used with the same meaning), which Lease
provides, among other things, for the execution and delivery of Lease
Supplements in substantially the form hereof for the purpose of leasing a
specific Aircraft under the Lease when delivered by the Lessor to the Lessee in
accordance with the terms thereof;

          WHEREAS, the Lease, a counterpart of which is attached hereto and made
a part hereof, relates to the Aircraft and Engines described in Schedule I
hereto and this Lease Supplement, together with such attachment, is being filed
for recordation on the date hereof with the FAA as one document;

          NOW, THEREFORE, in consideration of the premises and other good and
sufficient consideration, and pursuant to Section 2 of the Lease, the Lessor and
the Lessee hereby agree as follows:

          1. The Lessor hereby delivers and leases to the Lessee, and the Lessee
hereby accepts and leases from the Lessor, under the Lease as herein
supplemented, the Aircraft, described in Schedule I hereto.

          2. The Delivery Date is the date of this Lease Supplement set forth in
the opening paragraph hereof.

          3. The Basic Term shall commence on the Delivery Date and continue
through August 23, 2017 (the "Expiration Date"), unless terminated earlier as
provided in the Lease.

          4. Lessee hereby confirms to Lessor that Lessee has duly and
irrevocably accepted the Aircraft under and for all purposes hereof, of the
Lease and of the other Lessee Documents.

          5. All of the terms and provisions of the Lease are hereby
incorporated by reference in this Lease Supplement to the same extent as if
fully set forth herein.

          6. This Lease Supplement may be executed by the parties hereto in
separate counterparts and all such counterparts shall together constitute but
one and the same instrument.

<Page>

To the extent, if any, that this Lease Supplement constitutes chattel paper (as
such term is defined in the Uniform Commercial Code as in effect in any
applicable jurisdiction), no security interest in this Lease Supplement or the
Lease may be created through the transfer or possession of any counterpart other
than the original counterpart of each thereof marked Counterpart No. 1.

          7. THIS LEASE SUPPLEMENT HAS BEEN DELIVERED IN THE STATE OF NEW YORK
AND SHALL IN ALL RESPECTS BE GOVERNED BY THE LAW OF THE STATE OF NEW YORK,
INCLUDING ALL MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE.

            [The remainder of this page is intentionally left blank.]

<Page>

          IN WITNESS WHEREOF, the Lessor and the Lessee have each caused this
Lease Supplement to be duly executed by their authorized officers as of the day
and year first above written.

                                             FIRST SECURITY BANK,
                                             NATIONAL ASSOCIATION
                                             not in its individual capacity, but
                                             solely as Owner Trustee

                                             By:  /s/ Greg A. Hawley
                                                 -------------------------------
                                                 Name:  Greg A. Hawley
                                                 Title: Vice President

                                             CHAUTAUQUA AIRLINES, INC.

                                             By:  /s/ Robert H. Cooper
                                                 -------------------------------
                                                 Name:  Robert H. Cooper
                                                 Title: Vice President

<Page>

                                                                      SCHEDULE I
                                                             TO LEASE SUPPLEMENT

                       DESCRIPTION OF AIRFRAME AND ENGINES

                                    AIRFRAME
<Table>
<Caption>
Manufacturer        Manufacturer's    FAA Registration        Manufacturer's
                        Model              Number               Serial no.
<S>                 <C>                <C>                     <C>
Embraer             EMB-145LR          N281SK                  145391
</Table>

                                     ENGINES

<Table>
<Caption>
Manufacturer                        Manufacturer's              Manufacturer's
                                        Model                     Serial No.
<S>                                 <C>                         <C>
Allison Engine Company, Inc.        AE 3007A1P                  CAE 311697
                                                                CAE 311698
</Table>

          Each Engine is of 750 or more "rated take-off horsepower" or the
equivalent of such horsepower.

<Page>

NOTE TO EXHIBIT 10.23(a)

The 15 additional Lease Supplements No. 1 are substantially identical in all
material respects to the filed Lease Supplement No. 1 except as follows:

<Table>
<Caption>

------------------------------------- ----------------------------------- -----------------------------------
            TAIL NUMBER                          CLOSING DATE                     OWNER-PARTICIPANT

------------------------------------- ----------------------------------- -----------------------------------
<S>                                   <C>                                 <C>
             N265SK                           June, 2000                  General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N267SK                           June, 2000                  General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N268SK                           June, 2000                  General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N269SK                           August, 2000                General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N270SK                           August, 2000                General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N271SK                           September, 2000             General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N272SK                           September, 2000             General Electric Capital Corporation
------------------------------------- ----------------------------------- -----------------------------------
             N273SK                           November, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N274SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N275SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N276SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N277SK                           December, 2000              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N278SK                           February, 2001              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N279SK                           January, 2001               Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------
             N280SK                           February, 2001              Aircraft Services Corp.
------------------------------------- ----------------------------------- -----------------------------------

------------------------------------- ----------------------------------- -----------------------------------

------------------------------------- ----------------------------------- -----------------------------------
</Table>

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