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                                                                Exhibit 10.14(g)

                AMENDMENT NUMBER 7 TO LETTER AGREEMENT GCT-026/98

This Amendment Number 7 to Letter Agreement GCT-026/98, date to be effective as
of July 31, 2001 ("Amendment No. 7") relates to the Letter Agreement GCT-026/98
(the "Letter Agreement") between EMBRAER - Empresa Brasileira de Aeronautica
S.A. ("Embraer") and Solitair Corp. ("Buyer") dated June 17, 1998, which
concerns the Purchase Agreement GCT-025/98 (the "Purchase Agreement"), as
amended from time to time (collectively referred to herein as the "Agreement").
This Amendment No. 7 is between Embraer and Buyer, collectively referred to
herein as the "Parties".

This Amendment No. 7 sets forth further agreements between Embraer and Buyer
[*] Aircraft #30 through 42 to be provided by General Electric Capital
Corporation ("GE Capital").

This Amendment No. 7 constitutes an amendment and modification of the Letter
Agreement. All terms defined in the Agreement and not defined herein shall have
the meaning given in the Agreement when used herein, and in case of any conflict
between this Amendment No. 7 and the Agreement, the terms of this Amendment No.
7 shall control.

WHEREAS, in connection with the Parties' agreements as described above, the
Parties have agreed to modify some conditions described in the Letter Agreement
as provided below;

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

1.    ADDITIONAL [*]

                               [*]

2.    [*]

                               [*]

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3.    [*] AIRCRAFT # 38

                             [*]

4.    MISCELLANEOUS

All other provisions of the Agreement which have not been specifically amended
or modified by this Amendment No. 7 shall remain valid in full force and effect
without any change.

IN WITNESS WHEREOF, Embraer and Buyer, by their duly authorized officers, have
entered into and executed this Amendment No. 7 to be effective as of the date
first written above.

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

By      /s/ Frederico Fleury Curado             By    /s/ Jay Maymudes
     -------------------------------              ----------------------------
Name:   Frederico Fleury Curado                       Name:  Jay Maymudes
Title:  E.V.P. Airline Market                         Title: V.P.

By    /s/ Flavo Rimoli
     -------------------------------
Name:  Flavo Rimoli                                   Date:   10/22/01
Title: Director of Contracts                          Place:  Greenwich, CT

Date:   10/22/01
Place:  Sao Jose dos Campos

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                                                                Exhibit 10.14(h)

                AMENDMENT NUMBER 8 TO LETTER AGREEMENT GCT-026/98

This Amendment Number 8 to Letter Agreement GCT-026/98, dated as of October 19,
2001 ("Amendment No. 8") relates to the Letter Agreement GCT-026/98 (the "Letter
Agreement") between EMBRAER - Empresa Brasileira de Aeronautica S.A. ("Embraer")
and Solitair Corp. ("Buyer") dated June 17, 1998, which concerns the Purchase
Agreement GCT-025/98 (the "Purchase Agreement"), as amended from time to time
(collectively referred to herein as the "Agreement"). This Amendment No. 8 is
between Embraer and Buyer, collectively referred to herein as the "Parties".

This Amendment No. 8 sets forth further agreements between Embraer and Buyer
relative to the conversion of seven (7) Firm EMB-145 Aircraft and eight (8)
Option EMB-145 Aircraft into EMB-140 Aircraft, as provided in Amendment No. 13
to the Purchase Agreement, dated as of the date hereof.

This Amendment No. 8 constitutes an amendment and modification of the Letter
Agreement. All terms defined in the Agreement and not defined herein shall have
the meaning given in the Agreement when used herein, and in case of any conflict
between this Amendment No. 8 and the Agreement, the terms of this Amendment No.
8 shall control.

WHEREAS, in connection with the Parties' agreements as described above, the
Parties have agreed to modify the Letter Agreement as provided below;

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

1.    [*]

      [*]

2.    AIRCRAFT TO BE OPERATED IN OTHER COUNTRIES:

The reference to the "EMB-145 LR" Aircraft on the second paragraph of Article 3
to the Letter Agreement shall be deleted and replaced by "EMB-145 or EMB-140".

3.    [*]

      [*]

      "B.

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            [*]

4.    [*]

      4.1.  Article "6.B.3" of the Letter Agreement shall be deleted and
            replaced with the following:

            "B.3  [*]

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            4.2.  [*]

            4.3.  The first paragraph of Article "6.C" of the Letter Agreement
                  shall be deleted and replaced with the following:

                  "C.   [*]

      5.    CONVERSION OF THE OPTION AIRCRAFT:

            5.1.  Article "13" of Amendment No. 1 to Letter Agreement also
                  amended by Amendment No. 6 to Letter Agreement shall be
                  deleted and replaced with the following:

                  "a.   DECISION TO CONVERT

                  Buyer may at Buyer's option, elect to convert each of the EMB
                  145 Option

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                  Aircraft to EMB-140 Aircraft in groups of two (2) Aircraft
                  ("Conversion Group"), provided that Buyer informs Embraer by
                  means of a written notice ("Election Notice") no later than
                  the date which Buyer confirms the exercise of its option to
                  purchase such Option Aircraft, according to Section 6.5 to
                  Amendment No. 13 to Purchase Agreement, of its intention to
                  exercise such conversion right. Buyer may elect to convert any
                  number of Aircraft within each Conversion Group to EMB-140
                  Aircraft.

                  Any initial deposit or progress payment paid by Buyer pursuant
                  to Articles 4.a or 24.d of the Purchase Agreement with respect
                  to any Aircraft which later becomes an EMB-140 Aircraft, shall
                  be held and applied to the Purchase Price of the relevant
                  EMB-140 Aircraft in the same manner as to be held and applied
                  to the Aircraft so converted.

            b.    APPLICATION OF PURCHASE AGREEMENT TO EMB-140 AIRCRAFT:

                  Except as provided in this paragraph "b", all terms and
                  conditions applicable for the Aircraft shall also be
                  applicable MUTATIS MUTANDI for the EMB-140 Aircraft.

                  b.1.  [*]

                  b.2.  Attachments "I" and "J-1" to the Purchase Agreement
                        apply to the EMB-140 Aircraft."

      5.2. Schedule "C" to the Letter Agreement shall be deleted.

6.    PROGRESS PAYMENTS

Notwithstanding anything to the contrary in Amendment No. 8 to the Purchase
Agreement between Embraer and Buyer, dated as of the date hereof, the provisions
of Section 1 of Amendment No. 6 to the Letter Agreement between Embraer and
Buyer, dated as of July _, 2001 shall apply.

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7.    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.

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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 Aeronautica S.A.      Solitair Corp.

By  /s/ Frederico Fleury Curado                       By  /s/ Jay Maymudes
    ---------------------------                           --------------------
Name: Frederico Fleury Curado                         Name: Jay Maymudes
Title: E.V.P.--Airline Market                         Title: V.P.

By  /s/ Flavio Rimoli
    ---------------------------
Name: Flavio Rimoli                                   Date:  10/22/01
Title: Director of Contracts                          Place: Greenwich, CT

Date:  10/22/01
Place: Sao Jose dos Campos, Brazil<Page>

                                                                Exhibit 10.14(i)

                AMENDMENT NUMBER 9 TO LETTER AGREEMENT GCT-026/98

This Amendment Number 9 to Letter Agreement GCT-026/98, dated as of November 13,
2001 ("Amendment No. 9") relates to the Letter Agreement GCT-026/98 (the "Letter
Agreement") between EMBRAER - Empresa Brasileira de Aeronautica S.A. ("Embraer")
and Solitair Corp. ("Buyer") dated June 17, 1998, which concerns the Purchase
Agreement GCT-025/98 (the "Purchase Agreement"), as amended from time to time
(collectively referred to herein as the "Agreement"). This Amendment No. 9 is
between Embraer and Buyer, collectively referred to herein as the "Parties".

This Amendment No. 9 sets forth further agreements between Embraer and Buyer
relative to the exercise of [*] Option Aircraft, as provided in Amendment
No. 14 to the Purchase Agreement, dated as of the date hereof.

This Amendment No. 9 constitutes an amendment and modification of the Letter
Agreement. All terms defined in the Agreement and not defined herein shall have
the meaning given in the Agreement when used herein, and in case of any conflict
between this Amendment No. 9 and the Agreement, the terms of this Amendment No.
9 shall control.

WHEREAS, in connection with the Parties' agreements as described above, the
Parties have agreed to modify the Letter Agreement as provided below;

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

1.    [*]

                 [*]

      "B.                   [*]

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2.    COMPENSATION DUE TO [*].

In order to compensate Embraer [*] Amendment No. 13 to the Purchase Agreement
GCT-025/98, [*]. This amount shall not constitute part of the Aircraft
Purchase Price and shall be paid by Buyer directly to Embraer [*] after
delivery of such Aircraft through a separate invoice to be presented by
Embraer.

3.    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.

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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 Aeronautica S.A.      Solitair Corp.

By    /s/ Frederico Fleury Curado               By    /s/ Doug J. Lambert
      ---------------------------                   ------------------------
Name:   Frederico Fleury Curado                       Name:   Doug J. Lambert
Title:  Director Vice President                       Title:  Vice President

By    /s/ Flavio Rimoli
      ---------------------------
Name:  Flavio Rimoli                                  Date:  12/12/01
Title: Director of Contracts                          Place: Greenwich, CT

Date:
Place:

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