Document:

<Page>

                                                                Exhibit 10-13(h)

               AMENDMENT NUMBER 8 TO PURCHASE AGREEMENT GCT-025/98

This Amendment Number 8 to Purchase Agreement GCT-025/98, dated as of September
11, 2000 ("Amendment No. 8") relates to the Purchase Agreement GCT-025/98 (the
"Purchase Agreement") between EMBRAER - Empresa Brasileira de Aeronautica S.A.
("Embraer") and Solitair Corp. ("Buyer") dated June 17, 1998 as amended by
Amendments No.1, 2, 3, 4, 5, 6 and 7 (collectively referred to herein as
"Agreement"). This Amendment No.8 is between Embraer and Buyer, collectively
referred to herein as the "Parties".

This Amendment No.8 sets forth certain additional agreement between Embraer and
Buyer relative to anticipation of dates on the firm Aircraft delivery schedule
in Article 5.a of the Purchase Agreement.

This Amendment No.8 constitutes an amendment and modification of the Purchase
Agreement. Except as otherwise provided for herein all terms of the Purchase
Agreement shall remain in full force and effect.

All terms defined in this Amendment No.8 which are not defined in the Purchase
Agreement shall have the meaning set forth in this Amendment No.8.

All capitalized terms used in this Amendment No.8 which are not defined herein
shall have the meaning given in the Purchase Agreement. In the event of any
conflict between this Amendment No.8 and the Purchase Agreement the terms,
conditions and provisions of this Amendment No.8 shall control.

WHEREAS, Buyer has confirmed its intention to accelerate the delivery of three
(3) Firm Aircraft;

NOW, THEREFORE, for good and valuable consideration which is hereby acknowledged
Embraer and Buyer hereby agree as follows:

1.    AIRCRAFT DELIVERY SCHEDULE: The delivery schedule contained in Article
      "5.a" shall be deleted and replaced with the following:

<Page>

<Table>
<Caption>
     --------------------------------------------------------------------------------------------------------------------
         A/C #         DELIVERY MONTH        A/C #            DELIVERY MONTH            A/C #         DELIVERY MONTH
     --------------------------------------------------------------------------------------------------------------------
<S>                      <C>                  <C>               <C>                      <C>            <C>
          01              Apr-99*             16                30 Nov-00                31             24 Aug-01
     --------------------------------------------------------------------------------------------------------------------
          02              Jun-99*             17                30 Nov-00                32             31 Aug-01
     --------------------------------------------------------------------------------------------------------------------
          03              Aug-99*             18                15 Dec-00                33             21 Sep-01
     --------------------------------------------------------------------------------------------------------------------
          04              Nov-99*             19                19 Jan-01                34             28 Sep-01
     --------------------------------------------------------------------------------------------------------------------
          05              Jan-00*             20                24 JAN-01                35             12 Oct-01
     --------------------------------------------------------------------------------------------------------------------
          06              Feb-00*             21                31 Jan-01                36             26 Oct-01
     --------------------------------------------------------------------------------------------------------------------
          07              Mar-00*             22                28 Feb-01                37             16 Nov-01
     --------------------------------------------------------------------------------------------------------------------
          08              May-00*             23                30 Mar-01                38             30 Nov-01
     --------------------------------------------------------------------------------------------------------------------
          09              Jun-00*             24                27 Apr-01                39             20 Dec-01
     --------------------------------------------------------------------------------------------------------------------
          10              Jul-00*             25                30 APR-01                40             18 Jan-02
     --------------------------------------------------------------------------------------------------------------------
          11              Aug-00*             26                17 May-01                41             31 Jan-02
     --------------------------------------------------------------------------------------------------------------------
          12              Aug-00*             27                31 May-01                42             15 Feb-02
     --------------------------------------------------------------------------------------------------------------------
          13             29 Sep-00            28                29 Jun-01                43             28 Feb-02
     --------------------------------------------------------------------------------------------------------------------
          14             31 Oct-00            29                20 Jul-01                44             15 Mar-02
     --------------------------------------------------------------------------------------------------------------------
          15             17 Nov-00            30                27 Jul-01                45             28 Mar-02
     --------------------------------------------------------------------------------------------------------------------
</Table>

     REMARKS:  *Delivered to Buyer as of the date hereof.

2.    MISCELLANEOUS: All other provisions of the Agreement which have not been
      specifically amended or modified by this Amendment No.8 shall remain valid
      in full force and effect without any change.

        [The remainder of this page has been left blank intentionally.]

<Page>

IN WITNESS WHEREOF, EMBRAER and BUYER, by their duly authorized officers, have
entered into and executed this Amendment No.8 to be effective as of the date
first written above.

EMBRAER - Empresa Brasileira de                  Solitair Corp.
Aeronautica S.A.

By  /s/ Frederico Fleury Curado                  By  /s/ Douglas J. Lambert
  ------------------------------                   --------------------------

Name:  Federico Fleury Curado                    Name:  Douglas J. Lambert

Title: Executive Vice President                  Title: Vice President
          Airline Market

By  /s/ Flavio Rimoli                            Date:  11-9-00
  ------------------------------

Name:  Flavio Rimoli                             Place: Greenwich, CT USA

Title: Director of Contracts

Date:  September 11, 2000

Place: Sao Jose Dos Campos, Brazil

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

                 ATTACHMENT "J" - AIRCRAFT PERFORMANCE GUARANTEE

1.    GUARANTEES

      Embraer, subject to the conditions and limitations hereby expressed, and
      considering the Aircraft with a maximum takeoff weight of 48,501 pounds
      (22,000 kg) and equipped with EMBRAER furnished Rolls-Royce Allison AE
      3007A1 engines, guarantees each Aircraft as follows:

      a.    On the Aircraft Actual Delivery Date, the Aircraft will comply with
            the following performance:

            a.1   CRUISE SPECIFIC AIR RANGE

                  The cruise specific air range at a gross weight of 40,000
                  pounds (18,144 Kg) in a standard day (ISA), at an altitude of
                  35,000 feet, at 440 KTAS using not more than maximum cruise
                  thrust, shall not be less than the guarantee value:

                        NOMINAL:        .179 NAM/Pound
                        TOLERANCE:    - .005 NAM/Pound
                        GUARANTEE:      .174 NAM/Pound

            a.2   MISSION PAYLOAD

                  a.2.1 The payload for a stage length of 1000 nautical miles in
                        still air, shall not be less than the guarantee value:

                        GUARANTEE:       11,969 Pounds (5,430 kg)

                        Note: the above guaranteed value is subject to the same
                        tolerance applicable to the M.E.W. pursuant to Paragraph
                        a.3 below.

                        The above guarantee is based on the following conditions
                        and operating rules:

                        Stage Length:
                        The stage is defined as the sum of the distances for
                        length climb, cruise and descent.

                        Takeoff:
                        The airport altitude is at SEA LEVEL.
                        The takeoff weight is not limited by the airport
                        conditions.
                        Maximum takeoff thrust is used for the takeoff.

                        Climbout Maneuver:
                        Following the takeoff to 35 feet, the Aircraft
                        accelerates to 245 KCAS while climbing to 1,500 feet
                        above the departure airport altitude and retracting
                        flaps and landing gear.

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

                        Climb:
                        The Aircraft climbs from 1,500 feet above the departure
                        airport altitude to 10,000 feet altitude at 245 KCAS.
                        The Aircraft then accelerates to a speed of 270 KCAS.
                        The climb continues at 270 KCAS until 17,500 feet is
                        reached.
                        The climb continues at 0.56 Mach number to cruise
                        altitude.
                        The temperature is ISA during the climb.
                        Maximum climb thrust is used throughout the climb.

                        Cruise:
                        The Aircraft cruises at an average speed of 0.76 Mach
                        number.
                        The cruise altitude is 35,000 feet.
                        The temperature is ISA during cruise.
                        The cruise thrust is not to exceed maximum cruise
                        thrust.

                        Descent:
                        The Aircraft descends from the cruise altitude at 250
                        KCAS.
                        The descent continues at 250 KCAS to an altitude of
                        1,500 feet.
                        The temperature is ISA during descent.

                        Approach and Landing Maneuver:
                        The Aircraft decelerates to the final approach speed
                        while extending landing gear and flaps, then descends
                        and lands. The destination airport elevation is at sea
                        level.

                        Fixed Allowances:
                        For the purpose of this guarantee and for the purpose of
                        establishing compliance with this guarantee, the
                        following shall be used as fixed quantities and
                        allowances:

                        Taxi-out fuel: 46 Pounds, equivalent to 3 minutes.

                        Takeoff and Climbout Maneuver fuel: 99 Pounds.

                        Approach and Landing Maneuver fuel: 77 Pounds.

                        Taxi-in fuel (shall be consumed from the reserve fuel):
                        46 Pounds, equivalent to 3 minutes of taxi.

                        The usable reserve fuel remaining upon completion of the
                        landing: 2090 Pounds.

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

                  a.2.2 OPERATIONAL EMPTY WEIGHT BASIS

                        Operational empty weight (OEW) derived in accordance
                        with Paragraph a.2.3 shall be used as the basis for the
                        mission payload guarantees of Paragraph a.2.1.

                  a.2.3 EMB-145 WEIGHT SUMMARY

<Table>
<Caption>
             ---------------------------------------------------------------------------------------------------
                                             ITEMS                               WEIGHT (kg)      WEIGHT (lb)
             ---------------------------------------------------------------------------------------------------
<S>                                                                                <C>              <C>
             ---------------------------------------------------------------------------------------------------
                 1 - M.E.W. Std. EMB-145 Aircraft Configuration                    11,200           24,692
             ---------------------------------------------------------------------------------------------------

             ---------------------------------------------------------------------------------------------------
                 2 - Option to std EMB-145 Aircraft (*)                              593             1,307
             ---------------------------------------------------------------------------------------------------

             ---------------------------------------------------------------------------------------------------
                 3 - M.E.W.  Customer Configuration                                11,793           25,999
             ---------------------------------------------------------------------------------------------------

             ---------------------------------------------------------------------------------------------------
                 4 - Operating Items                                                 556             1,226
             ---------------------------------------------------------------------------------------------------

             ---------------------------------------------------------------------------------------------------
                 a - Pilot and Copilot (180 Lb each) (**)                                 164.0           361.6
             ---------------------------------------------------------------------------------------------------
                 b - Stewardess (140 Lb each) (**)                                         64.0           141.1
             ---------------------------------------------------------------------------------------------------
                 c - Engine oil                                                            24.0            52.9
             ---------------------------------------------------------------------------------------------------
                 d - Hydraulic Fluid                                                       36.0            79.4
             ---------------------------------------------------------------------------------------------------
                 e - Unusable Fuel                                                         44.0            97.0
             ---------------------------------------------------------------------------------------------------
                 f - Apu Oil                                                                2.0             4.4
             ---------------------------------------------------------------------------------------------------
                 g - Toilet Fluid                                                           7.0            15.4
             ---------------------------------------------------------------------------------------------------
                 h - Water                                                                 20.0            44.1
             ---------------------------------------------------------------------------------------------------
                 i - Flight Kit                                                            10.0            22.0
             ---------------------------------------------------------------------------------------------------
                 j - Crew Baggage                                                          20.4            45.0
             ---------------------------------------------------------------------------------------------------
                 k - Catering Standard                                                    160.0           352.7
             ---------------------------------------------------------------------------------------------------
                 l - Pass. Serv. Equip.                                                     4.5             9.9
             ---------------------------------------------------------------------------------------------------
                 m - 2nd Attendant                                                          0.0             0.0
             ---------------------------------------------------------------------------------------------------

             ---------------------------------------------------------------------------------------------------
                 5 - O. E. W.  Customer Configuration                              12,349           27,225
             ---------------------------------------------------------------------------------------------------

             ---------------------------------------------------------------------------------------------------
</Table>
                  REM.:
                  (*)  See Customer Options Table (Item a.5.4).
                  (**) In accordance with Advisory Circular No: 120-27C
                       (U.S. Depart. Of Transp./FAA)

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

                  a.2.4 CUSTOMER OPTIONS TABLE:

<Table>
<Caption>
       ------------------------------------------------------------------------------------------------------------------
                                              ITEMS                                   OPT           WEIGHT         WEIGHT
                                                                                                     (kg)            (lb)
<S>                                                                                   <C>           <C>             <C>
            A) OPTIONS TO STD AVIONIC CONFIGURATION
       ------------------------------------------------------------------------------------------------------------------
               CAT-II                                                                 Y              0.0             0.0
               ----------------------------------------------------------------------------------------------------------
               2nd Radio Altimeter                                                    Y              4.1             9.0
               ----------------------------------------------------------------------------------------------------------
               2nd DME                                                                Y              1.5             3.3
               ----------------------------------------------------------------------------------------------------------
               2nd ADF                                                                Y              8.0            17.6
               ----------------------------------------------------------------------------------------------------------
               2nd Transponder Mode S                                                 Y              1.0             2.2
               ----------------------------------------------------------------------------------------------------------
               SELCAL - Trimble                                                       Y              3.5             7.7
               ----------------------------------------------------------------------------------------------------------
               Single FMS+GPS Honeywell                                               Y             23.0            50.7
               ----------------------------------------------------------------------------------------------------------
               EGPWS                                                                  Y              3.0             6.6
       ------------------------------------------------------------------------------------------------------------------
               VHF(1st and 2nd) 8.33 kHz spacing                                      Y              0.0             0.0
       ------------------------------------------------------------------------------------------------------------------

            B) OPTIONAL SYSTEM / OTHER EQUIPMENT
       ------------------------------------------------------------------------------------------------------------------
               Thrust Reversers                                                       Y            173.0           381.5
               ----------------------------------------------------------------------------------------------------------
               A1 Engine                                                              Y              6.0            13.2
               ----------------------------------------------------------------------------------------------------------
               Cockpit Floodlight                                                     Y              2.5             5.5
               ----------------------------------------------------------------------------------------------------------
               External Painting (with capability to be polished)                     Y             56.0           123.5
               ----------------------------------------------------------------------------------------------------------
               LR Version                                                             Y            169.0           372.6
               ----------------------------------------------------------------------------------------------------------
               Service door sill protection                                           Y              3.0             6.6
               ----------------------------------------------------------------------------------------------------------
               Cargo door sill protection                                             Y              3.5             7.7
               ----------------------------------------------------------------------------------------------------------
               Cargo Door Light                                                       Y              1.0             2.2
               ----------------------------------------------------------------------------------------------------------
               Provisions for JAA Certification (1)                                   Y              4.3             9.5
               ----------------------------------------------------------------------------------------------------------
               Plug Type Passenger Door                                               Y             -8.0           -17.6
       ------------------------------------------------------------------------------------------------------------------

            C) INTERIOR OPTIONAL ITEMS
       ------------------------------------------------------------------------------------------------------------------
               Interior Option 1   (2)                                                Y             12.0            26.5
               ----------------------------------------------------------------------------------------------------------
               Audio Entertainment                                                    Y              2.5             5.5
               ----------------------------------------------------------------------------------------------------------
               2nd Attendant kit (includes Handset/Craddle0                           Y             22.2            49.0
               ----------------------------------------------------------------------------------------------------------
               Blue Sterile Light                                                     Y              0.5             1.1
               ----------------------------------------------------------------------------------------------------------
               Baggage Compartment Class C                                            Y             33.0            72.8
               ----------------------------------------------------------------------------------------------------------
               Customized Version Top PAX Seat with Ultra Leather                     Y             56.7           125.0
               ----------------------------------------------------------------------------------------------------------
               Baggage Restraint Net                                                  Y              8.0            17.6
               ----------------------------------------------------------------------------------------------------------
               Extra Oxygen Mask (3 masks for each double seat)                       Y              3.3             7.3
       ------------------------------------------------------------------------------------------------------------------

       ------------------------------------------------------------------------------------------------------------------
                                                   SUB-TOTAL   (OPTIONS STD A/C)                     593            1307
       ------------------------------------------------------------------------------------------------------------------
</Table>

      (1)   Provisions for JAA Certification:
            -     Wiring provision on the panel lamps for Filament Test
            -     Structural provision for 10(degree) rudder deflection
            -     Wiring provision for the nose landing gear door position
                  indication in the EICAS
            -     Provision for warning of the selection of Flaps 22(degree) to
                  take-off
            -     Provision for limitation of the hydraulic pressure on the
                  speed brake actuator

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

                  when the aircraft is above 200 knots

      (2)   Galley inserts (Trolley, SU, Hot Jugs) and catering are not included

      a.3   WEIGHT

            The manufacturer's empty weight (M.E.W.), for Customer
            configuration, is guaranteed to be:

                  NOMINAL:        25,999 Pounds
                  TOLERANCE:         260 Pounds
                  GUARANTEE:      26,259 Pounds

2.    AIRCRAFT CONFIGURATION

      2.1   The guarantees stated above are based on the EMB-145 Basic Aircraft
            configuration as defined in the Technical Description TD-145/010
            dated January 1998, plus specific Buyer configuration options as
            defined at Attachment "A" to the Purchase Agreement, (hereinafter
            referred to as the Detail Specification). Appropriate adjustment to
            the guarantees shall be made for changes in such Detail
            Specification approved in writing by the Buyer and Embraer. Such
            adjustments shall be accounted for by Embraer in its evidence of
            compliance with the guarantees.

            In the event a change is made to any law, governmental regulation or
            requirement, or in the interpretation of any such law, governmental
            regulation or requirement that affects the certification basis for
            the Aircraft, and as a result thereof, a change is made to the
            configuration and/or the performance of the Aircraft in order to
            obtain certification, the guarantees set forth in this Aircraft
            Performance Guarantee shall be appropriately modified to reflect any
            such change.

      2.2   The mission payload guarantee of Paragraph 1.a.2 and the
            Manufacturer's Empty Weight guarantee of Section 1.a.3 shall be
            adjusted by Embraer for the following in its evidence of compliance
            with such guarantees:

            (1)   Changes to the Detail Specification including Change Requests,
                  Master Changes, Change Orders or any other changes mutually
                  agreed upon between the Buyer and Embraer.

            (2)   The difference between the component weight allowances given
                  in the appropriate section of the Detail Specification and the
                  actual weights.

3.    GUARANTEE CONDITIONS

      3.1   All guaranteed performance data are based on the ICAO International
            Standard Atmosphere (ISA) and specified variations therefrom;
            altitudes are

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

            pressure altitudes.

      3.2   The FAA Regulations (FAR) referred to in this Attachment are, unless
            otherwise specified, the EMB-145 Certification Basis regulations
            specified in the Type Certificate Data Sheet. The reference number
            for the Certificate Data Sheet and its date of issue will be
            provided to Buyer within fifteen (15) days of type approval.

      3.3   The cruise specific air range, speed and altitude capability, and
            the climb, cruise and descent portions of the mission guarantees
            include allowances for normal electrical power extraction and normal
            operation of the air conditioning system. Normal power extraction
            shall be defined as not less than a 37 kW total electrical and
            hydraulic loads. Normal operation of the air conditioning system
            shall be defined as operation in the automatic mode, with the
            temperature control set to maintain a nominal cabin temperature of
            75(Degree)F, and all air conditioning systems operating normally.
            This operation nominally allows a sea level cabin altitude to be
            maintained up to 19,500 feet and a maximum cabin pressure
            differential of 7.8 pounds per square inch at higher altitudes, with
            a nominal Aircraft cabin ventilation rate of 1,100 cubic feet per
            minute at 35,000 ft including passenger cabin recirculation (nominal
            recirculation is 42 percent not considering gasper flow). The APU is
            turned off unless otherwise specified.

      3.4   The cruise specific air range, speed and altitude capability, and
            the climb, cruise, and descent portions of the mission guarantees
            are based on an Aircraft center of gravity location of 26 percent of
            the mean aerodynamic chord.

      3.5   Performance, where applicable, is based on a fuel Lower Heating
            Value (LHV) of 18,580 BTU per pound and a fuel density of 6.70
            pounds per U.S. gallon.

4.    PARTIES' OBLIGATIONS ACCORDING TO THIS GUARANTEE

      RELATIVE TO THE GUARANTEES STATED IN PARAGRAPH 1.a above:

      4.1   During the Aircraft acceptance to be performed by Buyer in
            accordance with Article 7 of the Purchase Agreement, Buyer shall
            check the Aircraft performance specified in paragraph 1.a of this
            Attachment "J", by using the EMB-145 Aircraft Flight Manual (AFM)
            and by comparing the flight test data, at the atmospheric conditions
            prevailing during the flight, with the information presented in the
            EMB-145 Supplementary Performance Manual (SPM). All the performance
            guarantee under this Attachment "J" are in accordance with both
            manuals above mentioned, taking into consideration the established
            tolerances.

      4.2   Embraer's obligations in respect to the guarantees stated in
            Paragraph 1.a of this Attachment "J", are limited to Buyer's right
            to terminate the Purchase

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

            Agreement in respect to the relevant Aircraft, pursuant to Article
            22.d. should it be reasonably verified that such Aircraft during the
            acceptance procedure specified in Article 7 of the Purchase
            Agreement, cannot comply with the performances guaranteed hereunder
            after Embraer has had a reasonable opportunity to cure such
            deficiencies in accordance with Article 7.

      4.3   In case during the above mentioned acceptance procedure, it is
            proven that the Aircraft performance does not comply with the
            performances specified in Paragraph 1.a of this Attachment "J", but
            Buyer considers it satisfactory by accepting delivery of such
            Aircraft, then Embraer shall not be liable to any claim or demand
            whatsoever from Buyer with respect to such performance guarantees.

      4.4   Upon acceptance of the Aircraft by Buyer, all obligations of Embraer
            regarding the Aircraft performance guarantees specified in Paragraph
            1.a, shall cease.

5.    GUARANTEE COMPLIANCE

      5.1   Compliance with the guarantees of Section 1.a shall be based on the
            conditions specified in that section, the Aircraft configuration of
            Section 2 and the guarantee conditions of Section 3.

      5.2   Compliance with the takeoff, landing, and TOW Climb limit guarantees
            shall be based on the FAA-approved Airplane Flight Manual for the
            EMB-145.

      5.3   Compliance with the cruise specific air range, speed, and the climb,
            cruise and descent portions of the mission guarantees shall be
            established by calculations based on the comparison mentioned in
            Section 4.1 above..

      5.4   The data derived from tests shall be adjusted as required by
            conventional methods of correction, interpolation or extrapolation
            in accordance with established engineering practices to show
            compliance with provisions of Section 1.a.

      5.5   Compliance with the Manufacturer's Empty Weight guarantee shall be
            based on information in the appropriate approved weight and balance
            manual, or associated document or report.

      5.6   Compliance with the guarantees set forth in this Attachment does not
            depend on the engine meeting the performance requirements contained
            in the engine specification.

6.    EXCLUSIVE GUARANTEES

      6.1   The only performance guarantees applicable to the Aircraft are those
            set

<Page>

                       SCHEDULE "B" TO THE AMENDMENT No 8
--------------------------------------------------------------------------------

            forth in this document. The performance guarantees set forth herein
            are established between Buyer and Embraer and may not be transferred
            or assigned to others, unless by previous written consent of
            Embraer.

      6.2   THE GUARANTEES, OBLIGATIONS AND LIABILITIES OF Embraer, AND REMEDIES
            OF Buyer SET FORTH IN THIS PERFORMANCE GUARANTEE ARE EXCLUSIVE AND
            IN SUBSTITUTION FOR, AND Buyer HEREBY WAIVES, RELEASES AND
            RENOUNCES, ALL OTHER RIGHTS, CLAIMS, DAMAGES AND REMEDIES OF Buyer
            AGAINST Embraer OR ANY ASSIGNED OF Embraer, EXPRESS OR IMPLIED,
            ARISING BY LAW OR OTHERWISE, WITH RESPECT TO ANY ACHIEVED
            PERFORMANCE.

      6.3   The terms and conditions of this Performance Guarantee do not alter,
            modify or impair, in any way, the terms and conditions of Attachment
            C (EMB-145 AIRCRAFT WARRANTY CERTIFICATE) to this Agreement.<Page>

                                                                Exhibit 10.13(i)

               AMENDMENT NUMBER 9 TO PURCHASE AGREEMENT GCT-025/98

This Amendment Number 9 to Purchase Agreement GCT-025/98, dated as of November
30, 2000 ("Amendment No. 9") relates to the Purchase Agreement GCT-025/98 (the
"Purchase Agreement") between EMBRAER - Empresa Brasileira de Aeronautica S.A.
("Embraer") and Solitair Corp. ("Buyer") dated June 17, 1998 as amended from
time to time (collectively referred to herein as "Agreement"). This Amendment
No.9 is between Embraer and Buyer, collectively referred to herein as the
"Parties".

This Amendment No.9 sets forth certain additional agreement between Embraer and
Buyer relative to the change on the date of one Aircraft in the delivery
schedule in Article 5.a of the Purchase Agreement.

This Amendment No.9 constitutes an amendment and modification of the Purchase
Agreement. Except as otherwise provided for herein all terms of the Purchase
Agreement shall remain in full force and effect.

All terms defined in this Amendment No.9 which are not defined in the Purchase
Agreement shall have the meaning set forth in this Amendment No.9.

All capitalized terms used in this Amendment No.9 which are not defined herein
shall have the meaning given in the Purchase Agreement. In the event of any
conflict between this Amendment No.9 and the Purchase Agreement the terms,
conditions and provisions of this Amendment No.9 shall control.

WHEREAS, [*]

NOW, THEREFORE, for good and valuable consideration which is hereby acknowledged
Embraer and Buyer hereby agree as follows:

--------------------
* Confidential
<Page>

1.    AIRCRAFT DELIVERY SCHEDULE: The delivery schedule contained in Article
      "5.a" shall be deleted and replaced with the following:

<Table>
<Caption>
     --------------------------------------------------------------------------------------------------------------------
         A/C #         DELIVERY MONTH        A/C #            DELIVERY MONTH            A/C #         DELIVERY MONTH
     --------------------------------------------------------------------------------------------------------------------
<S>                       <C>                 <C>               <C>                      <C>            <C>
          01              Apr-99*             16                 Nov-00*                 31             24 Aug-01
     --------------------------------------------------------------------------------------------------------------------
          02              Jun-99*             17                 4 DEC-00                32             31 Aug-01
     --------------------------------------------------------------------------------------------------------------------
          03              Aug-99*             18                15 Dec-00                33             21 Sep-01
     --------------------------------------------------------------------------------------------------------------------
          04              Nov-99*             19                19 Jan-01                34             28 Sep-01
     --------------------------------------------------------------------------------------------------------------------
          05              Jan-00*             20                24 Jan-01                35             12 Oct-01
     --------------------------------------------------------------------------------------------------------------------
          06              Feb-00*             21                31 Jan-01                36             26 Oct-01
     --------------------------------------------------------------------------------------------------------------------
          07              Mar-00*             22                28 Feb-01                37             16 Nov-01
     --------------------------------------------------------------------------------------------------------------------
          08              May-00*             23                30 Mar-01                38             30 Nov-01
     --------------------------------------------------------------------------------------------------------------------
          09              Jun-00*             24                27 Apr-01                39             20 Dec-01
     --------------------------------------------------------------------------------------------------------------------
          10              Jul-00*             25                30 Apr-01                40             18 Jan-02
     --------------------------------------------------------------------------------------------------------------------
          11              Aug-00*             26                17 May-01                41             31 Jan-02
     --------------------------------------------------------------------------------------------------------------------
          12              Aug-00*             27                31 May-01                42             15 Feb-02
     --------------------------------------------------------------------------------------------------------------------
          13              Sep-00*             28                29 Jun-01                43             28 Feb-02
     --------------------------------------------------------------------------------------------------------------------
          14              Oct-00*             29                20 Jul-01                44             15 Mar-02
     --------------------------------------------------------------------------------------------------------------------
          15              Nov-00*             30                27 Jul-01                45             28 Mar-02
     --------------------------------------------------------------------------------------------------------------------
</Table>

      REMARKS: *Delivered to Buyer as of the date hereof.

2.    MISCELLANEOUS: All other provisions of the Agreement which have not been
      specifically amended or modified by this Amendment No.9 shall remain valid
      in full force and effect without any change.

        [The remainder of this page has been left blank intentionally.]

<Page>

IN WITNESS WHEREOF, EMBRAER and BUYER, by their duly authorized officers, have
entered into and executed this Amendment No.9 to be effective as of the date
first written above.

EMBRAER - Empresa Brasileira de                  Solitair Corp.
Aeronautica S.A.

By    /s/ Satoshi Yokota                         By     /s/ Douglas J. Lambert

Name:  Satoshi Yokota                            Name:  Douglas J. Lambert

Title: Executive Vice-President                  Title: Vice President
        Industrial

By     /s/ Flavio Rimoli                         Date:  December 15, 2000

Name:  Flavio Rimoli                             Place: Greenwich, CT  USA

Title: Director of Contracts

Date:      December 20, 2000.

Place:     Sao Jose dos Campos, Brazil.

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