<Page>
Exhibit 10.13(l)
CONFIDENTIAL
AMENDMENT NUMBER 12 TO PURCHASE AGREEMENT GCT-025/98
This Amendment Number 12 to Purchase Agreement GCT-025/98, dated as of July __,
2001 ("Amendment No. 12") 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. 12 is between Embraer and Buyer, collectively referred to herein as the
"Parties".
This Amendment No. 12 constitutes an amendment and modification regarding the
incorporation of Major Changes and other modifications, pursuant to Article 11.a
and 11.g of the Purchase Agreement. Except as otherwise provided for herein all
terms of the Purchase Agreement shall remain in full force and effect. All
capitalized terms used in this Amendment No. 12 which are not defined herein
shall have the meaning given in the Purchase Agreement. In the event of any
conflict between this Amendment No. 12 and the Purchase Agreement the terms,
conditions and provisions of this Amendment No. 12 shall control.
WHEREAS, Attachment A of the Purchase Agreement will be altered in order to
comply with the configuration modifications to the US Airways, Trans World
Express ("TWE") and America West requirements.
WHEREAS, the Aircraft configuration has been changed in order to include the
next generation passenger seats, new gust lock system, increase on galley weight
capacity, new cargo liners, new APU air intake net installation and alterations
in the aircraft passenger door, new AHARS, VOR system, which will affect the
Aircraft Performance Guarantee;
WHEREAS, the Aircraft configuration has been changed in order to include the
AFDAU equipment, A1P engines and exclude the specific emergency equipment items,
JAA provisions and matched skin panels, which will affect the Aircraft Basic
Price and the Performance Guarantee.
NOW, THEREFORE, for good and valuable consideration which is hereby acknowledged
Embraer and Buyer hereby agree as follows:
1. ATTACHMENT A ALTERATIONS:
1.1 Attachment "A" to Purchase Agreement will be replaced by Attachments
"A-1", "A-2" and "A-3", attached to this Amendment No. 12, in order to
comply with US Airways (Attachment "A-1"), TWE (Attachment "A-2") and
America West (Attachment "A-3") requirements for certain Aircraft, as
applicable.
1.2 All modifications identified on Section 2 of this Amendment No. 12 will be
referred
<Page>
CONFIDENTIAL
as changes to Attachment "A" and will alter simultaneously the Attachments
"A-1", "A-2" and "A-3", unless when specifically mentioned.
1.3 Buyer shall inform Embraer the configuration for each Aircraft in
accordance with Sections 3 and 4 of Attachment "A".
2. EQUIPMENT CONFIGURATION CHANGES:
2.1. For Aircraft #10 and all subsequent Aircraft:
(i) item 2.2 of Attachments "A-2" and "A-3" to the Agreement, "OPTIONAL
SYSTEM/OTHER EQUIPMENT" is hereby amended by replacing item "m" as
follows:
"...
m) S tandard door"
(ii) item 2.2 of Attachment "A" to the Agreement, "OPTIONAL SYSTEM/OTHER
EQUIPMENT" is hereby amended by inserting after item "m" the following:
"...
n) New gust lock system"
(iii) item 2.3 of Attachment "A" to the Agreement, "INTERIOR OPTIONAL
ITEMS" is hereby amended by inserting after item "i" the following:
"...
j) Next generation passenger seats"
2.2. For Aircraft #11 and all subsequent Aircraft, item 2.1 of Attachment "A"
to the Agreement, "OPTIONS TO THE STANDARD AVIONICS CONFIGURATION" is
hereby amended by inserting after item "i" the following:
"...
j) Auxiliary Flight Data Acquisition Unit (AFDAU)"
2.3. For Aircraft #16 and all subsequent Aircraft, item 2.2 of Attachment "A"
to the Agreement, "OPTIONAL SYSTEM / OTHER EQUIPMENT", is hereby amended
by inserting after item "n" the following:
"...
o) Rolls Royce Allison AE3007A1P engines"
This modification will only apply for Aircraft to be operated by Chautauqua
Airlines, Inc.
<Page>
CONFIDENTIAL
2.4. For Aircraft #18 and all subsequent Aircraft, item 2.2. of Attachment "A"
to the Agreement, "OPTIONAL SYSTEM / OTHER EQUIPMENT", is hereby amended
by deleting the following items "i", "j", "k" and "l":
"...
i) Structural provision for 10(degree)rudder deflection
j) Wiring provision for the nose landing gear door position
indication in the EICAS
k) Provision for warning of the selection of Flaps 22(degree)to
take-off
l) Provision for limitation of the hydraulic pressure on the speed
brake actuator when the aircraft is above 200 knots"
And replacing them with the following:
"...
i) Intentionally deleted
j) Intentionally deleted
k) Intentionally deleted
l) Intentionally deleted"
2.5. For Aircraft #19, 21, 22, 23, 25 and all subsequent Aircraft, item 2.3 of
Attachment "A" to the Agreement, "INTERIOR OPTIONAL ITEMS" is hereby
amended by inserting after item "j" the following:
"...
k) New Galley Weight Capacity"
2.6. For Aircraft #22 and all subsequent Aircraft, item 2.2 of Attachment "A"
to the Agreement, "OPTIONAL SYSTEM / OTHER EQUIPMENT", is hereby amended
by inserting after item "o" the following
"...
p ) New APU Air Inlet Installation"
2.7. For Aircraft #23 and all subsequent Aircraft, item 2.2. of Attachment "A"
to the Agreement, "OPTIONAL SYSTEM / OTHER EQUIPMENT", is hereby amended
by deleting item "d" and replacing it with the following text, due to the
change from the matched to the standard skin panels:
"...
d) Standard External Painting"
2.8. For Aircraft #26 and all subsequent Aircraft:
<Page>
CONFIDENTIAL
(i) item 2.1 of Attachment "A" to the Agreement, "OPTIONS TO THE
STANDARD AVIONICS CONFIGURATION" is hereby amended by inserting
after item "j" the following:
"...
k) VOR system
l) AHRS H900 Honeywell system"
(ii) item 2.2 of Attachment "A" to the Agreement "OPTIONAL SYSTEM/OTHER
EQUIPMENT" is hereby amended by inserting after item "l" the
following:
"...
q) New Corrosion Prevention component"
2.9. For Aircraft #29 and all subsequent Aircraft, item 2.3 of Attachment "A"
to the Agreement, "INTERIOR OPTIONAL ITEMS", is hereby amended by
inserting after "k" the following:
"...
l) Improved Overhead Bins"
2.10. For Aircraft #30 and all subsequent Aircraft, item 2.3 of Attachment "A"
to the Agreement, "INTERIOR OPTIONAL ITEMS", is hereby amended by
inserting after item "l" the following:
"...
m) New Cargo Liners"
2.11. For Aircraft #30 and all subsequent Aircraft, item 2.3 of Attachment "A"
to the Agreement, "INTERIOR OPTIONAL ITEMS", is hereby amended by
inserting after item "m" the following Buyer Furnished Equipment ("BFE"),
due to Buyer's request to supply such emergency equipment:
"...
n) BFE Emergency equipment supplied by Buyer:
n.1) PBE 119003 Puritan Bennett
n.2) PBE bracket 119063-01 Puritan Bennett
n.3) Smoke goggles 322-70 Scott Aviation
n.4) First aid kit 70004-00 Scott Aviation
n.5) Medical kit 4531 Medical Advisory Sys.
n.6) Fire ext. A352T HRD Aero Sys.
n.7) Fire ext. bracket 817 HRD Aero Sys."
<Page>
CONFIDENTIAL
3. AIRCRAFT BASIC PRICES CHANGES
3.1 The changes referred to in items 2.1, 2.5, 2.6, 2.8, 2.9 and 2.10 will [*]
3.2 The changes referred to in item 2.2, 2.3, 2.4, 2.7 and 2.11 will change
the Basic Price for [*]
<Table>
<Caption>
--------------------------------------------------------------------------------------------------------------
BASIC PRICE IN
ITEM AIRCRAFT # BASIC PRICE CHANGE TOTAL BASIC PRICE CHANGE JANUARY 2000
--------------------------------------------------------------------------------------------------------------
2.2 11 through 15 [*] [*] [*]
--------------------------------------------------------------------------------------------------------------
2.3 16 and 17 [*] [*] [*]
--------------------------------------------------------------------------------------------------------------
2.4. 18 through 22 [*] [*] [*]
--------------------------------------------------------------------------------------------------------------
2.7 23 through 27 [*] [*] [*]
--------------------------------------------------------------------------------------------------------------
28 and 29* [*] [*] [*]
--------------------------------------------------------------------------------------------------------------
2.11 30 through 45 [*] [*] [*]
--------------------------------------------------------------------------------------------------------------
Option Aircraft [*] [*] [*]
--------------------------------------------------------------------------------------------------------------
</Table>
* Prior to this Amendment, the Basic Price of Aircraft 28 through 45 was
[*]
3.3 As a result of the changes described in 3.2 above, the Aircraft Basic
Price table on Article "3.a.1" for Aircraft #11 and all subsequent
Aircraft shall be deleted and replace with the following:
<Table>
<Caption>
--------------------------------------------------------------------------------------------------------------------
Aircraft # Price
--------------------------------------------------------------------------------------------------------------------
"11 TO 15 [*]
--------------------------------------------------------------------------------------------------------------------
16 and 17 [*]
--------------------------------------------------------------------------------------------------------------------
18 to 22 [*]
--------------------------------------------------------------------------------------------------------------------
23 to 27 [*]
--------------------------------------------------------------------------------------------------------------------
28 and 29 [*]
--------------------------------------------------------------------------------------------------------------------
30 through 45 [*]
--------------------------------------------------------------------------------------------------------------------
</Table>
- ----------
* Confidential
<Page>
CONFIDENTIAL
4. OPTION AIRCRAFT BASIC PRICE: Article 24.b shall be deleted and replaced
with the following:
"b. BASIC PRICE: The unit basic price of each Option Aircraft shall be
[*]), provided that such Option Aircraft be delivered to Buyer
in accordance with the chart above and in the same configuration,
specification and installations specified in Attachment "A",
as such attachment is written on the date of signature of
this Amendment No. 12 unless otherwise modified by the Parties
and the costs for such changes shall be in addition to the
Basic Price."
5. CHANGES IN THE AIRCRAFT PERFORMANCE GUARANTEE: Attachment J to the
Agreement is hereby amended as follows with respect to the specified
Aircraft:
a. AIRCRAFT #10 AND ALL SUBSEQUENT AIRCRAFT - INCLUSION OF NEW GUST LOCK
SYSTEM AND NEXT GENERATION PASSENGER SEATS
(i) In section 1.a.2.1, the amount "11,969 Pounds (5,430 kg)" is deleted
and replaced with "11,965 Pounds (5,428 kg)"
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Table>
<Caption>
----------------------------------------------------------------------------------------------
ITEMS WEIGHT (kg) WEIGHT (lb)
----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 595 1,311
----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,795 26,003
----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,351 27,229
----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", items B, and C shall
be modified by added the following new provisions at the end of each
section, and the "SUBTOTAL" shall be modified as follows:
<Table>
<Caption>
-------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
-------------------------------------------------------------------------------------------------------------
B) OPTIONS SYSTEM/OTHER EQUIPMENT
-------------------------------------------------------------------------------------------------------------
New gust lock system Y 1.8 3.9
-------------------------------------------------------------------------------------------------------------
C) INTERIOR OPTIONAL ITEMS
-------------------------------------------------------------------------------------------------------------
Next generation passenger seats Y - -
-------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 595 1,311
-------------------------------------------------------------------------------------------------------------
</Table>
- ----------
* Confidential
<Page>
CONFIDENTIAL
(iv) in section 1.a.3, "Weight" is hereby amended to read as follows:
"The manufacturer's empty weight (M.E.W.), for Customer
configuration, is guaranteed to be:
NOMINAL: 26,003 Pounds
TOLERANCE: 260 Pounds
GUARANTEE: 26,263 Pounds"
b. AIRCRAFT #11 AND ALL SUBSEQUENT AIRCRAFT - INCLUSION OF AFDAU
(i) in section 1.a.2.1, the amount "11,965 Pounds (5,428 kg)" is deleted
and replaced with "11,944 Pounds (5,418 kg)"
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Table>
<Caption>
----------------------------------------------------------------------------------------------
ITEMS WEIGHT WEIGHT
(kg) (lb)
----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 605 1,332
----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,805 26,024
----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,361 27,250
----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", item A shall be
modified by added the following new provisions at the end of such
and the "SUBTOTAL" shall be modified as follows:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
A) OPTIONS TO STD AVIONIC CONFIGURATION
------------------------------------------------------------------------------------------------------------
Auxiliary Flight Data Acquisition Unit (AFDAU) Y 9.6 21
------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 605 1,332
------------------------------------------------------------------------------------------------------------
</Table>
(iv) in section 1.a.3, "Weight" is hereby amended to read as follows:
"The manufacturer's empty weight (M.E.W.), for Customer
configuration, is guaranteed to be:
NOMINAL: 26,024 Pounds
TOLERANCE: 260 Pounds
GUARANTEE: 26,284 Pounds"
<Page>
CONFIDENTIAL
c. AIRCRAFT #16 AND ALL SUBSEQUENT AIRCRAFT - INCLUSION OF AE3007A1P ENGINES
(i) The first paragraph of Section 1 - GUARANTEES, shall be deleted and
replaced by the following:
"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 3007A1P engines, guarantees each
Aircraft as follows:"
(ii) in section 1.a.2.1 and 1.a.2.3 will not be changed as there is no
weight alteration;
(iii) in section 1.a.2.4, "Customer Options Table", section B shall be
modified by added the following new provision at the end of such
section:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
B) OPTIONS SYSTEM/OTHER EQUIPMENT
------------------------------------------------------------------------------------------------------------
Rolls Royce Allison AE3007A1P engines Y - -
------------------------------------------------------------------------------------------------------------
</Table>
d. AIRCRAFT #18 AND ALL SUBSEQUENT AIRCRAFT - EXCLUSION OF PROVISIONS FOR JAA
CERTIFICATION
(i) in section 1.a.2.1, the amount "11,944 Pounds (5,418 kg)" is deleted
and replaced with "11,949 Pounds (5,420 kg)"
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Table>
<Caption>
----------------------------------------------------------------------------------------------
ITEMS WEIGHT WEIGHT
(kg) (lb)
----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 603 1,327
----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,803 26,019
----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,359 27,245
----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", item B shall be
modified changing the weight and observation (1) as indicated below:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
B) OPTIONS SYSTEM/OTHER EQUIPMENT
------------------------------------------------------------------------------------------------------------
Provisions for JAA Certification (1) Y 2.0 4.5
------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 603 1,327
------------------------------------------------------------------------------------------------------------
(1) Provisions for JAA Certification:
</Table>
<Page>
CONFIDENTIAL
- Wiring provision on the panel lamps for Filament Test
(iv) in section 1.a.3, "Weight" is hereby amended to read as follows:
"The manufacturer's empty weight (M.E.W.), for Customer
configuration, is guaranteed to be:
NOMINAL: 26,019 Pounds
TOLERANCE: 260 Pounds
GUARANTEE: 26,279 Pounds"
e. AIRCRAFT #19, 21, 22, 23, 25 AND ALL SUBSEQUENT AIRCRAFT - INCLUSION OF
GALLEY WEIGHT CAPACITY INCREASE
(i) in section 1.a.2.1, the amount "11,949 Pounds (5,420 kg)" is deleted
and replaced with "11,944 Pounds (5,418 kg)".
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Table>
<Caption>
----------------------------------------------------------------------------------------------
ITEMS WEIGHT WEIGHT
(kg) (lb)
----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 605 1,332
----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,805 26,024
----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,361 27,250
----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", item C shall be added
with the following new provision at the end of such section:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
C) INTERIOR OPTIONAL ITEMS
------------------------------------------------------------------------------------------------------------
New Galley Weight Capacity Y 2.3 5.0
------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 605 1,332
------------------------------------------------------------------------------------------------------------
</Table>
f. AIRCRAFT #22 AND ALL SUBSEQUENT AIRCRAFT - NEW APU AIR INLET INSTALLATION
(i) in section 1.a.2.1, the amount "11,944 Pounds (5,418 kg)" is deleted
and replaced with "11,943 Pounds (5,418 kg)".
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Page>
CONFIDENTIAL
<Table>
<Caption>
----------------------------------------------------------------------------------------------
ITEMS WEIGHT WEIGHT
(kg) (lb)
----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 605 1,333
----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,805 26,025
----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,361 27,251
----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", section B shall be
modified by added the following new provision at the end of such
section:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
B) OPTIONS SYSTEM/OTHER EQUIPMENT
------------------------------------------------------------------------------------------------------------
New APU Air Inlet Installation Y 0.3 0.7
------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 605 1,333
------------------------------------------------------------------------------------------------------------
</Table>
(iv) in section 1.a.3, "Weight" is hereby amended to read as follows:
"The manufacturer's empty weight (M.E.W.), for Customer
configuration, is guaranteed to be:
NOMINAL: 26,025 Pounds
TOLERANCE: 260 Pounds
GUARANTEE: 26,285 Pounds"
g. AIRCRAFT #23 AND ALL SUBSEQUENT AIRCRAFT - STANDARD EXTERNAL PAINTING
(i) in section 1.a.2.1 and 1.a.2.3 will not be changed as there is no
weight alteration;
(ii) in section 1.a.2.4, "Customer Options Table", section B shall be
modified by changing the item "External Painting (with capability to
be polished) as follows:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
B) OPTIONS SYSTEM/OTHER EQUIPMENT
------------------------------------------------------------------------------------------------------------
Standard External Painting Y 56.0 123.5
------------------------------------------------------------------------------------------------------------
</Table>
<Page>
CONFIDENTIAL
h. AIRCRAFT #26 AND ALL SUBSEQUENT AIRCRAFT - INCLUSION OF VOR, AHRS H900 AND
NEW CORROSION PREVENTION COMPONENT
(i) In section 1.a.2.1, the amount "11,943 Pounds (5,418 kg)" is deleted
and replaced with "11,934 Pounds (5,413 kg)"
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Table>
<Caption>
----------------------------------------------------------------------------------------------
ITEMS WEIGHT WEIGHT
(kg) (lb)
----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 610 1,342
----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,810 26,034
----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,366 27,260
----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", sections A and B shall
be modified by added the following new provisions at the end of such
section:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
A) OPTIONS TO STD AVIONIC CONFIGURATION
------------------------------------------------------------------------------------------------------------
VOR system Y - -
------------------------------------------------------------------------------------------------------------
AHRS H900 Honeywell system Y - -
------------------------------------------------------------------------------------------------------------
B) OPTIONS SYSTEM/OTHER EQUIPMENT
------------------------------------------------------------------------------------------------------------
New Corrosion Prevention Component Y 5.0 8.8
------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 610 1,342
------------------------------------------------------------------------------------------------------------
</Table>
(iv) in section 1.a.3, "Weight" is hereby amended to read as follows:
"The manufacturer's empty weight (M.E.W.), for Customer
configuration, is guaranteed to be:
NOMINAL: 26,034 Pounds
TOLERANCE: 260 Pounds
GUARANTEE: 26,294 Pounds"
i. AIRCRAFT #29 AND ALL SUBSEQUENT AIRCRAFT - IMPROVED OVERHEAD BINS
(i) In section 1.a.2.1, the amount "11,934 Pounds (5,413 kg)" is deleted
and replaced with "11,949 Pounds (5,420 kg)"
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Page>
CONFIDENTIAL
<Table>
<Caption>
----------------------------------------------------------------------------------------------
ITEMS WEIGHT (kg) WEIGHT
(lb)
----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 603 1,327
----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,803 26,019
----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,359 27,245
----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", section C shall be
modified by added the following new provision at the end of such
section:
<Table>
<Caption>
------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
------------------------------------------------------------------------------------------------------------
C) INTERIOR OPTIONAL ITEMS
------------------------------------------------------------------------------------------------------------
Improved Overhead bins Y -7.0 -15.4
------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 603 1,327
------------------------------------------------------------------------------------------------------------
</Table>
(iv) in section 1.a.3, "Weight" is hereby amended to read as follows:
"The manufacturer's empty weight (M.E.W.), for Customer
configuration, is guaranteed to be:
NOMINAL: 26,019 Pounds
TOLERANCE: 260 Pounds
GUARANTEE: 26,279 Pounds"
j. AIRCRAFT #30 AND ALL SUBSEQUENT AIRCRAFT - INCLUSION OF NEW CARGO LINERS
(i) in section 1.a.2.1, the amount "11, 949 Pounds (5, 420 kg)" is
deleted and replaced with "11, 944 Pounds (5, 418 kg)"
(ii) in section 1.a.2.3, "EMB-145 WEIGHT SUMMARY", items 2, 3, and 5
shall be deleted and replaced with the following:
<Table>
<Caption>
-----------------------------------------------------------------------------------------------
ITEMS WEIGHT WEIGHT
(kg) (lb)
-----------------------------------------------------------------------------------------------
2 - Option to Std EMB-145 Aircraft (*) 605 1,331
-----------------------------------------------------------------------------------------------
3 - M.E.W. Customer Configuration 11,805 26,023
-----------------------------------------------------------------------------------------------
5 - O.E.W. Customer Configuration 12,361 27,249
-----------------------------------------------------------------------------------------------
</Table>
(iii) in section 1.a.2.4, "Customer Options Table", item C shall be
modified by added the following new provision at the end of each
section, and the "SUBTOTAL" shall be modified as follows:
<Page>
CONFIDENTIAL
<Table>
<Caption>
--------------------------------------------------------------------------------------------------------------
ITEMS OPT WEIGHT (kg) WEIGHT (lb)
--------------------------------------------------------------------------------------------------------------
C) INTERIOR OPTIONAL ITEMS
--------------------------------------------------------------------------------------------------------------
New Cargo Liners Y 2 4.5
--------------------------------------------------------------------------------------------------------------
SUB-TOTAL (OPTIONS STD A/C) 605 1,331
--------------------------------------------------------------------------------------------------------------
</Table>
(iv) in section 1.a.3, "Weight" is hereby amended to read as follows:
"The manufacturer's empty weight (M.E.W.), for Customer
configuration, is guaranteed to be:
NOMINAL: 26,023 Pounds
TOLERANCE: 260 Pounds
GUARANTEE: 26,283 Pounds"
6. MISCELLANEOUS: All other provisions of the Agreement which have not been
specifically amended or modified by this Amendment No. 12 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. 12 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/ Jay Maymudes
------------------------------- ---------------------------
Name: Frederico Fleury Curado Name: Jay Maymudes
------------------------------- ---------------------------
Title: E.V.P. Airline Market Title: V. P.
------------------------------- ---------------------------
By /s/ Flavio Rimoli Date: 10/22/01
------------------------------- ---------------------------
Name: Flavio Rimoli Place: Greenwich, CT
------------------------------- ---------------------------
Title: Director of Contracts
-------------------------------
Date: 10/22/2001
-------------------------------
Place: Sao Jose dos Campos
-------------------------------
<Page>
AIRCRAFT SPECIFIC CONFIGURATION, FINISHING
AND REGISTRATION MARKS
1. STANDARD AIRCRAFT
The Aircraft shall be manufactured according to the standard configuration
specified in the Technical Description TD-145/010, dated January 1998
(Appendix I) (the "Technical Description") and the optional equipment
described in item 2 below.
2. OPTIONAL EQUIPMENT
2.1 OPTIONS TO THE STANDARD AVIONICS CONFIGURATION
a) CAT-II
b) 2nd Radio Altimeter
c) 2nd DME
d) 2nd ADF
e) 2nd Transponder Mode S
f) Selcal - Trimble
g) FMS/GPS - Honeywell
h) EGPWS
i) VHF (1st and 2nd) 8.33 khz spacing
j) Auxiliary Flight Data Acquisition Unit (AFDAU) (applicable for
Aircraft #11 and all subsequent Aircraft)
k) VOR system (applicable for Aircraft #26 and all subsequent
Aircraft)
l) AHRS H900 Honeywell system (applicable for Aircraft #26 and
all subsequent Aircraft)
2.2 OPTIONAL SYSTEM / OTHER EQUIPMENT
a) Thrust Reversers
b) LR version
c) Cockpit Floodlight
d) Standard External Painting (for Aircraft #23 and all
subsequent Aircraft)
e) Service Door Sill Protection
f) Cargo Door Sill Protection
g) Cargo Door Light
h) Wiring provision on the panel lamps for Filament Test
i) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
j) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
k) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
l) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
m) Plug type passenger door
n) New Gust Lock System (applicable for Aircraft #10 and all
subsequent Aircraft)
o) Rolls Royce Allison AE3007A1P engines (1) (applicable for
Aircraft #16 and all subsequent Aircraft)
p) New APU Air Intake Net Installation (applicable for Aircraft
#22 and all subsequent Aircraft)
<Page>
q) New Corrosion Prevention component (applicable for Aircraft
#26 and all subsequent Aircraft)
2.3 INTERIOR OPTIONAL ITEMS
a) Interior Option 1
b) Audio Entertainment (CD player)
c) 2nd Attendant kit (include Handset/Cradle)
d) Blue Sterile Light
e) Baggage Compartment Class C
f) Passenger Seats - Customized Cushion Version Top w/
Ultra-leather
g) Baggage Restraint Net
h) Extra Oxygen Mask (3 mask for each double seat)
i) Next Generation Passenger seats (applicable for Aircraft #10
and all subsequent Aircraft)
j) New Galley Weight Capacity (applicable for Aircraft #19, 21,
22, 23, 25 and all subsequent Aircraft)
k) Improved Overhead Bins (applicable for Aircraft #29 and all
subsequent Aircraft)
l) New Cargo Liners (applicable for Aircraft #30 and all
subsequent Aircraft)
m) Emergency equipment items supplied by Buyer (applicable for
Aircraft #30 and all subsequent Aircraft):
n.1) PBE 119003 Puritan Bennett
n.2) PBE bracket 119063-01 Puritan Bennett
n.3) Smoke goggles 322-70 Scott Aviation
n.4) First aid kit 70004-00 Scott Aviation
n.5) Medical kit 4531 Medical Advisory Sys.
n.6) Fire ext. A352T HRD Aero Sys
n.7) Fire ext. bracket 817 HRD Aero Sys
NOTES:
(1) Rolls Royce Allison AE3007A1P engines, only for Aircraft to be
operated by Chautauqua Airlines, Inc..
3. FINISHING
a. EXTERIOR FINISHING:
The Aircraft shall be painted according to Buyer's or a Designated
Operator's color and paint scheme which shall be supplied to Embraer by
Buyer no later than six (6) months prior to the relevant Aircraft
Contractual Delivery Date.
b. INTERIOR FINISHING:
Buyer shall inform Embraer no later than seven (7) months prior to
the relevant Aircraft Contractual Delivery Date of its choice of
materials and colors of all and any item of interior finishing such
as seat covers, carpet, floor lining on galley areas, side walls and
overhead lining, galley lining
<Page>
and curtain. The above mentioned schedule for definition of interior
finishing shall only be applicable if Buyer selects its materials
from the choices offered by and available at Embraer. In case Buyer
elects to use different materials and or patterns, such schedule
shall be agreed between the Parties at the time of signature of this
Purchase Agreement.
If Buyer does not supply Embraer with the information in the time period
as described in Article 3.a and 3.b, the Aircraft will be produced and
will be made available for Buyer's inspection in the same condition of
exterior and interior finishing as the first Aircraft.
4. REGISTRATION MARKS
The Aircraft shall be delivered to Buyer with the registration marks
painted on them, which shall be supplied to Embraer by Buyer no later than
ninety (90) days before each relevant Aircraft Contractual Delivery Date.
IF THERE IS ANY CONFLICT BETWEEN THE TERMS OF THIS ATTACHMENT "A-1" AND THE
TERMS OF THE TECHNICAL DESCRIPTION, THE TERMS OF THIS ATTACHMENT "A-1" SHALL
PREVAIL.
<Page>
- --------------------------------------------------------------------------------
AIRCRAFT SPECIFIC CONFIGURATION, FINISHING
AND REGISTRATION MARKS
1. STANDARD AIRCRAFT
The Aircraft shall be manufactured according to the standard configuration
specified in the Technical Description TD-145/010, dated January 1998
(Appendix I) (the "Technical Description") and the optional equipment
described in item 2 below.
2. OPTIONAL EQUIPMENT
2.1 OPTIONS TO THE STANDARD AVIONICS CONFIGURATION
a) CAT-II
b) 2nd Radio Altimeter
c) 2nd DME
d) 2nd ADF
e) 2nd Transponder Mode S
f) Selcal - Trimble
g) FMS/GPS - Honeywell
h) EGPWS
i) VHF (1st and 2nd) 8.33 khz spacing
j) Auxiliary Flight Data Acquisition Unit (AFDAU) (applicable for
Aircraft #11 and all subsequent Aircraft)
k) VOR system (applicable for Aircraft #26 and all subsequent
Aircraft)
l) AHRS H900 Honeywell system (applicable for Aircraft #26 and
all subsequent Aircraft)
2.2 OPTIONAL SYSTEM / OTHER EQUIPMENT
a) Thrust Reversers
b) LR version
c) Cockpit Floodlight
d) Standard External Painting (for Aircraft #23 and all
subsequent Aircraft)
e) Service Door Sill Protection
f) Cargo Door Sill Protection
g) Cargo Door Light
h) Wiring provision on the panel lamps for Filament Test
i) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
j) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
k) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
l) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
m) Standard door
n) New Gust Lock System (applicable for Aircraft #10 and all
subsequent Aircraft)
o) Rolls Royce Allison AE3007A1P engines (1) (applicable for
Aircraft #16 and all subsequent Aircraft)
p) New APU Air Intake Net Installation (applicable for Aircraft
#22 and all subsequent Aircraft)
<Page>
- --------------------------------------------------------------------------------
q) New Corrosion Prevention component (applicable for Aircraft
#26 and all subsequent Aircraft)
2.3 INTERIOR OPTIONAL ITEMS
a) Interior Option 1
b) Audio Entertainment (CD player)
c) 2nd Attendant kit (include Handset/Cradle)
d) Blue Sterile Light
e) Baggage Compartment Class C
f) Standard main door with structural provisions for plug type
door
g) Passenger Seats - Customized Cushion Version Top w/
Ultra-leather
h) Baggage Restraint Net
i) Extra Oxygen Mask (3 mask for each double seat)
j) Next Generation Passenger seats (applicable for Aircraft #10
and all subsequent Aircraft)
k) New Galley Weight Capacity (applicable for Aircraft #19, 21,
22, 23, 25 and all subsequent Aircraft)
l) Improved Overhead Bins (applicable for Aircraft #29 and all
subsequent Aircraft)
m) New Cargo Liners (applicable for Aircraft #30 and all
subsequent Aircraft)
n) Emergency equipment items supplied by Buyer (applicable for
Aircraft #30 and all subsequent Aircraft):
n.1) PBE 119003 Puritan Bennett
n.2) PBE bracket 119063-01 Puritan Bennett
n.3) Smoke goggles 322-70 Scott Aviation
n.4) First aid kit 70004-00 Scott Aviation
n.5) Medical kit 4531 Medical Advisory Sys.
n.6) Fire ext. A352T HRD Aero Sys
n.7) Fire ext. bracket 817 HRD Aero Sys
NOTES:
(1) Rolls Royce Allison AE3007A1P engines, only to Aircraft to be
operated by Chautauqua Airlines, Inc..
3. FINISHING
a. EXTERIOR FINISHING:
The Aircraft shall be painted according to Buyer's or a Designated
Operator's color and paint scheme which shall be supplied to Embraer
by
Buyer no later than six (6) months prior to the relevant Aircraft
Contractual Delivery Date.
b. INTERIOR FINISHING:
Buyer shall inform Embraer no later than seven (7) months prior to
the relevant Aircraft Contractual Delivery Date of its choice of
materials and colors of all and any item of interior finishing such
as seat covers, carpet,
<Page>
- --------------------------------------------------------------------------------
floor lining on galley areas, side walls and overhead lining, galley
lining and curtain. The above mentioned schedule for definition of
interior finishing shall only be applicable if Buyer selects its
materials from the choices offered by and available at Embraer. In
case Buyer elects to use different materials and or patterns, such
schedule shall be agreed between the Parties at the time of
signature of this Purchase Agreement.
If Buyer does not supply Embraer with the information in the time period
as described in Article 3.a and 3.b, the Aircraft will be produced and
will be made available for Buyer's inspection in the same condition of
exterior and interior finishing as the first Aircraft.
4. REGISTRATION MARKS
The Aircraft shall be delivered to Buyer with the registration marks
painted on them, which shall be supplied to Embraer by Buyer no later than
ninety (90) days before each relevant Aircraft Contractual Delivery Date.
IF THERE IS ANY CONFLICT BETWEEN THE TERMS OF THIS ATTACHMENT "A-2" AND THE
TERMS OF THE TECHNICAL DESCRIPTION, THE TERMS OF THIS ATTACHMENT "A-2" SHALL
PREVAIL.
<Page>
- --------------------------------------------------------------------------------
AIRCRAFT SPECIFIC CONFIGURATION, FINISHING
AND REGISTRATION MARKS
1. STANDARD AIRCRAFT
The Aircraft shall be manufactured according to the standard configuration
specified in the Technical Description TD-145/010, dated January 1998
(Appendix I) (the "Technical Description") and the optional equipment
described in item 2 below.
2. OPTIONAL EQUIPMENT
2.1 OPTIONS TO THE STANDARD AVIONICS CONFIGURATION
a) CAT-II
b) 2nd Radio Altimeter
c) 2nd DME
d) 2nd ADF
e) 2nd Transponder Mode S
f) Selcal - Trimble
g) FMS/GPS - Honeywell
h) EGPWS
i) VHF (1st and 2nd) 8.33 khz spacing
j) Auxiliary Flight Data Acquisition Unit (AFDAU) (applicable for
Aircraft #11 and all subsequent Aircraft)
k) VOR system (applicable for Aircraft #26 and all subsequent
Aircraft)
l) AHRS H900 Honeywell system (applicable for Aircraft #26 and
all subsequent Aircraft)
2.2 OPTIONAL SYSTEM / OTHER EQUIPMENT
a) Thrust Reversers
b) LR version
c) Cockpit Floodlight
d) Standard External Painting (for Aircraft #23 and all
subsequent Aircraft)
e) Service Door Sill Protection
f) Cargo Door Sill Protection
g) Cargo Door Light
h) Wiring provision on the panel lamps for Filament Test
i) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
j) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
k) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft)
l) Intentionally deled (for Aircraft #18 and all subsequent
Aircraft) Standard door
m) New Gust Lock System (applicable for Aircraft #10 and all
subsequent Aircraft)
n) Rolls Royce Allison AE3007A1P engines (1) (applicable for
Aircraft #16 and all subsequent Aircraft)
o) New APU Air Intake Net Installation (applicable for Aircraft
#22 and all subsequent Aircraft)
p) New Corrosion Prevention component (applicable for Aircraft
#26 and all subsequent Aircraft)
<Page>
- --------------------------------------------------------------------------------
2.3 INTERIOR OPTIONAL ITEMS
a) Interior Option 1
b) Audio Entertainment (CD player)
c) Aft Attendant Handset/Cradle
d) Blue Sterile Light
e) Baggage Compartment Class C
f) Standard main door with structural provisions for plug type
door
g) Passenger Seats - Customized Cushion Version Top w/
Ultra-leather
h) Baggage Restraint Net
i) Extra Oxygen Mask (3 mask for each double seat)
j) Next Generation Passenger seats (applicable for Aircraft #10
and all subsequent Aircraft)
k) New Galley Weight Capacity (applicable for Aircraft #19, 21,
22, 23, 25 and all subsequent Aircraft)
l) Improved Overhead Bins (applicable for Aircraft #29 and all
subsequent Aircraft)
m) New Cargo Liners (applicable for Aircraft #30 and all
subsequent Aircraft)
n) Emergency equipment items supplied by Buyer (applicable for
Aircraft #30 and all subsequent Aircraft): n.1) PBE 119003
Puritan Bennett
n.2) PBE bracket 119063-01 Puritan Bennett
n.3) Smoke goggles 322-70 Scott Aviation
n.4) First aid kit 70004-00 Scott Aviation
n.5) Medical kit 4531 Medical Advisory Sys.
n.6) Fire ext. A352T HRD Aero Sys
n.7) Fire ext. bracket 817 HRD Aero Sys
NOTES:
(1) Rolls Royce Allison AE3007A1P engines, only for Aircraft to be operated by
Chautauqua Airlines, Inc..
3. FINISHING
a. EXTERIOR FINISHING:
The Aircraft shall be painted according to Buyer's or a Designated
Operator's color and paint scheme which shall be supplied to Embraer by
Buyer no later than six (6) months prior to the relevant Aircraft
Contractual Delivery Date.
b. INTERIOR FINISHING:
Buyer shall inform Embraer no later than seven (7) months prior to
the relevant Aircraft Contractual Delivery Date of its choice of
materials and colors of all and any item of interior finishing such
as seat covers, carpet, floor lining on galley areas, side walls and
overhead lining, galley lining and curtain. The above mentioned
schedule for definition of interior finishing shall only be
applicable if Buyer selects its materials from the choices offered
by and available at Embraer. In case Buyer elects to use
<Page>
- --------------------------------------------------------------------------------
different materials and or patterns, such schedule shall be agreed
between the Parties at the time of signature of this Purchase
Agreement.
If Buyer does not supply Embraer with the information in the time period
as described in Article 3.a and 3.b, the Aircraft will be produced and
will be made available for Buyer's inspection in the same condition of
exterior and interior finishing as the first Aircraft.
4. REGISTRATION MARKS
The Aircraft shall be delivered to Buyer with the registration marks
painted on them, which shall be supplied to Embraer by Buyer no later than
ninety (90) days before each relevant Aircraft Contractual Delivery Date.
IF THERE IS ANY CONFLICT BETWEEN THE TERMS OF THIS ATTACHMENT "A-3" AND THE
TERMS OF THE TECHNICAL DESCRIPTION, THE TERMS OF THIS ATTACHMENT "A-3" SHALL
PREVAIL.