Helicopter Sikorsky H-37A Mojave Serial 56-044 Register 55-617 used by US Army Aviation Army. Built 1957. Aircraft history and location Aircraft History 55-617 US Army Aviation 1957-08-20Sikorsky S-56, c/n 56-044, ff:? del US ARMY as H-37A, 55-617, 20Aug57 redesig CH-37A, Oct 62 conv CH-37B, unk wfu & soc unk. scr 1970 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
