Exhibit 32.2

MESA AIR GROUP, INC. AND ITS SUBSIDIARIES

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Mesa Air Group, Inc. (the “Company”) on Form 10-Q for the period ended December 31, 2007, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael J. Lotz, , President & Chief Operating Officer (Principal Financial and Accounting Officer) of the Company, certify, pursuant to 18 U.S.C. §§ 1350, as adopted pursuant to §§ 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

By:  /s/  MICHAEL J. LOTZ

Michael J. Lotz

President & Chief Operating Officer

(Principal Financial and Accounting Officer)

Date: February 14, 2008