Helicopter Bell UH-1N Serial 31042 Register 69-6636 used by US Air Force USAF. Aircraft history and location Aircraft History 69-6636 US Air Force 1991-05 A KADWUSAF 1st HS/89th MAW home base 1st HS 1998 1st HS. 1st HS Send Updates Use APP to upload photo @ (optional) When Now? / / Send