Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1477 Register 149375 used by US Marine Corps USMC. Aircraft history and location Aircraft History 149375 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1477, ff:? del USMC as HUS-1, 149375, unk redesig UH-34D, Oct62 soc NARF Alameda, 27Jan72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send