Helicopter Bell UH-1N Serial 31079 Register 69-7538 used by US Air Force USAF. Aircraft history and location Aircraft History 69-7538 US Air Force 1980-04 A KADWUSAF VIP 1st HS at Andrews AFB 1990s dark blue livery 1st HS 1998 1st HS. 1st HS Send Updates Use APP to upload photo @ (optional) When Now? / / Send