Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-914 Register 145772 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145772 US Marine Corps Sikorsky HUS-1, cn 58-914, ff:? del USMC as HUS-1, 145772, unk 1960-10-20w/o 20oct60 Send Updates Use APP to upload photo @ (optional) When Now? / / Send