Exhibit 10.7 CONTRACT CHANGE ORDER PURCHASER: US Airways Group, Inc. AGREEMENT: Master Purchase Agreement number MPA-515 dated May 9, 2003 between US Airways Group, Inc. and Bombardier Inc., represented by Bombardier Aerospace - Regional Aircraft (the "Agreement"). C.C.O. NO.: 002 DATE OF ISSUE: January 30, 2004 NO. OF PAGES: 3 REASON FOR CHANGE: ***. DESCRIPTION OF AGREED CHANGE(S) For the purposes of this Contract Change Order No. 002 ("CCO No. 2"), "US Airways" means US Airways Group, Inc. and "Bombardier" means Bombardier Inc., represented by Bombardier Aerospace - Regional Aircraft. 1.0 Letter Agreement Number 11 to the Agreement is hereby amended to incorporate Schedule C attached hereto as Attachment 1 to this CCO No. 2 relating to: ***. 2.0 ***. The remainder of this page is intentionally left blank. -1- 3.0 Unless specified otherwise, Bombardier shall make: Bank Name: *** Address: *** ABA #: *** Account #: *** Account Name: *** 4.0 US Airways shall make: Bank Name: *** Bank Address: *** ABA #: *** Account #: *** Account Name: *** ALL OTHER TERMS AND CONDITIONS OF THE AGREEMENT REMAIN UNCHANGED FOR AND ON BEHALF OF FOR AND ON BEHALF OF BOMBARDIER INC. US AIRWAYS GROUP, INC. Bombardier Aerospace - Regional Aircraft Signed: /s/ Nicolas Mastroianni Signed: /s/ Eilif Serck-Hanssen ----------------------------- --------------------------- Name: Nicolas Mastroianni Name: Eilif Serck-Hanssen ------------------------------ --------------------------- Title: Account Executive, Contracts Title: VP - Finance and Treasurer ------------------------------ --------------------------- Date: February 9, 2004 Date: February 5, 2004 ------------------------------ --------------------------- -2- Schedule C MSN *** FAA *** - ----------------------------------------------------------------------------- *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** -3- CONTRACT CHANGE ORDER PURCHASER: US Airways Group, Inc. AGREEMENT: Master Purchase Agreement number MPA-515 dated May 9, 2003 between US Airways Group, Inc. and Bombardier Inc., represented by Bombardier Aerospace - Regional Aircraft (the "Agreement"). C.C.O. NO.: 002 - Supplement 1 DATE OF ISSUE: January 30, 2004 NO. OF PAGES: 3 REASON FOR CHANGE: *** DESCRIPTION OF AGREED CHANGE(S) For the purposes of this Contract Change Order No. 002 - Supplement 1 ("CCO No. 2S1"), "US Airways" means US Airways Group, Inc. and "Bombardier" means Bombardier Inc., represented by Bombardier Aerospace - Regional Aircraft. This CCO No. 2S1 supplements CCO No. 2 previously entered into between US Airways and Bombardier. For the avoidance of doubt, CCO No. 2 remains in full force and effect and is not cancelled or superseded by this CCO No. 2S1. 1.0 Letter Agreement Number 11 to the Agreement is hereby amended to incorporate Schedule C-1 attached hereto as Attachment 1 to this CCO No. 2S1 relating to: ***. 2.0 ***. The remainder of this page is intentionally left blank. -1- 3.0 Unless specified otherwise, Bombardier shall make ***: Bank Name: *** Address: *** ABA #: *** Account #: *** Account Name: *** 4.0 US Airways shall make ***: Bank Name: *** Bank Address: *** ABA #: *** Account #: *** Account Name: ***. ALL OTHER TERMS AND CONDITIONS OF THE AGREEMENT REMAIN UNCHANGED FOR AND ON BEHALF OF FOR AND ON BEHALF OF BOMBARDIER INC. US AIRWAYS GROUP, INC. Bombardier Aerospace - Regional Aircraft Signed: /s/ Nicolas Mastroianni Signed: /s/ Eilif Serck-Hanssen -------------------------------- -------------------------- Name: Nicolas Mastroianni Name: Eilif Serck-Hanssen -------------------------------- -------------------------- Title: Account Executive, Contracts Title: VP- Finance and Treasurer -------------------------------- -------------------------- Date: February 9, 2004 Date: February 5, 2004 -------------------------------- -------------------------- -2- Schedule C-1 MSN *** FAA *** - ------------------------------------------------------------------------------ *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** -3-