Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-605 Register 144650 used by US Marine Corps USMC. Built 1957. Aircraft history and location Aircraft History 144650 US Marine Corps 1957-06-29Sikorsky HUS-1, cn 58-605, ff:? del USMC as HUS-1, 144650, 29Jun57 xfer HMRL-264, unk w/o aboard USS Boxer (LPH-4), 08Feb60. Send Updates Use APP to upload photo @ (optional) When Now? / / Send