Helicopter Sikorsky H-37A Mojave Serial 56-014 Register N50174 54-996 used by US Army Aviation Army. Built 1956. Aircraft history and location Aircraft History For 54-996 see also 1956 h-37a 56-012 w/o 1966 54-996 US Army Aviation 1956-11-26Sikorsky S-56, c/n 56-014, ff:? del US ARMY as H-37A, 54-996, 26Nov56 redesig CH-37A, Oct 62 conv CH-37B, unk wfu & soc unk. N50174 - ex 54-996, DM XK... Send Updates Use APP to upload photo @ (optional) When Now? / / Send
