F WE HAVE SET OUR HAND AND SEAL nus 25th DAY OF September 2001 I SELLER NAME (S) OF SELLER (TYPE OR maw) SIGNATURE (S) (IN INK)(IT EXECUTED FOR CDOWNERSIRP, ALL MUST SIGN.) TITLE (TYPED OR MINTED) Raytheon Travel Air Company I Sr. Contracts Manager ACKNOWLEDGEMENT MOT REOUIRED FOR PURPOSES OF FAA RE