F WE HAVE sEr OUR HAND AND seAL•nes 19th DAY OF November 1999 I SELLER NAME (S) OF SELLER (TYPE OR PRINTED) SIGNATURE (S) ON INK) (IF MECUM FOR CO-OWNERSII IP, ALL MUST SIGN.) TITLE (TYPED OR PRINTED) Raytheon Travel Air Company Sr. Contracts Manager ACKNOWLEDGEMENT (NOT REQUIRED FOR PURPOSES OF FAA R