Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1669 Register 150261 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150261 US Marine Corps 1969-05-27Sikorsky UH-34D, cn 58-1669, ff:? del USMC as UH-34D, 150261, unk wfu & soc NARF Pensacola, 27May69. Send Updates Use APP to upload photo @ (optional) When Now? / / Send