Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-890 Register 145765 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145765 US Marine Corps Sikorsky HUS-1, cn 58-890, ff:? del USMC as HUS-1, 145765, unk 1962-08-24w/o 24aug62 Send Updates Use APP to upload photo @ (optional) When Now? / / Send