Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-606 Register 144651 used by US Marine Corps USMC. Built 1957. Aircraft history and location Aircraft History 144651 US Marine Corps 1957-06-29Sikorsky HUS-1, cn 58-606, ff:? del USMC as HUS-1, 144651, 29Jun57 xfer HMRL-261, unk w/o MCAS New River, NC, 22Mar58. Send Updates Use APP to upload photo @ (optional) When Now? / / Send