Helicopter Sikorsky S-51 / R-5 / H-5 Serial 51-183 Register 49-1999 used by US Air Force USAF. Aircraft history and location By Gerrit Kok Aircraft History 49-1999 US Air Force 2008-12-11 A Evergreen Aviation and Space MuseumUSAF H-5H-SI 1960s unk location to civ 1994 as N14528 11dec08 canc preserved at Evergreen Aviation and Space Museum, Oregon Send Updates Use APP to upload photo @ (optional) When Now? / / Send