Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-973 Register 145789 used by US Marine Corps USMC. Aircraft history and location Aircraft History 145789 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-973, ff:? del USMC as HUS-1, 145789, unk redesig UH-34D, Oct62 xfer Air America as H-21, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
