Helicopter Sikorsky HUS-1A / UH-34E Serial 58-860 Register 145725 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145725 US Marine Corps 1962-10Sikorsky HUS-1A, cn 58-860, ff:? del USMC as HUS-1A, 145725, unk redesig UH-34E, Oct62 wfu & stor MASDC unk? to US register as N4215A, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send