EXHIBIT 32.1

                  CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND
                        ACTING CHIEF FINANCIAL OFFICER OF
                        AIR TRANSPORT GROUP HOLDINGS, INC
           FORM 10-Q FOR THE NINE MONTH PERIOD ENDED JANUARY 31, 2009
                 PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED
            PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Arnold  Leonora,  am the Chief  Executive  Officer and acting Chief Financial
Officer  of Air  Transport  Group  Holdings,  Inc.,  a Nevada  corporation  (the
"Company").  I am delivering  this  certificate in connection with the Quarterly
Report on Form 10-Q of the Company for the nine month period  ended  January 31,
2009 and filed with the Securities and Exchange Commission ("Quarterly Report").

Pursuant to 18 U.S.C.  Section 1350,  as adopted  pursuant to Section 906 of the
Sarbanes-Oxley  Act of 2002, I hereby certify that, to the best of my knowledge,
the Quarterly  Report fully complies with the  requirements  of Section 13(a) or
Section 15(d) of the  Securities  Exchange Act of 1934 and that the  information
contained in the Quarterly Report fairly presents, in all material respects, the
financial condition and results of operations of the Company.

Date: April 9, 2009

                                        By: /s/ Arnold Leonora
                                           ------------------------------------
                                           Arnold Leonora
                                           President and Director