Helicopter Sikorsky H-37A Mojave Serial 56-108 Register 57-1648 used by US Army Aviation Army. Built 1958. Aircraft history and location Aircraft History 57-1648 US Army Aviation 1958-12-03Sikorsky S-56, c/n 56-108, ff:? del US ARMY as H-37A, 57-1648, 03Dec58 redesig CH-37A, Oct 62 conv CH-37B, unk wfu & soc unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
