Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-604 Register 144649 used by US Marine Corps USMC. Built 1957. Aircraft history and location Aircraft History 144649 US Marine Corps 1957-06-29Sikorsky HUS-1, cn 58-604, ff:? del USMC as HUS-1, 144649, 29Jun57 wfu & stor MASDC as 3H216, 02Nov69 soc 22May70. Send Updates Use APP to upload photo @ (optional) When Now? / / Send