Helicopter Sikorsky HH-53C Super Jolly Serial 65-269 Register 69-5790 used by US Air Force USAF. Aircraft history and location Aircraft History 69-5790 US Air Force Sikorsky MH-53M Pave Low IV USAF conv to HH-53H conv to MH-53M 1999-07 A EGUN homeport Sikorsky MH-53J USAF 21st SOS 21st SOS Send Updates Use APP to upload photo @ (optional) When Now? / / Send