Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-468 Register 143969 used by US Marine Corps USMC. Built 1957. Aircraft history and location Aircraft History 143969 US Marine Corps 1957-02-25Sikorsky HUS-1 cn 58-468, ff:? del USMC as HUS-1, 143969, 25Feb57 redesig UH-34D, Oct 1962 1960-04-11w/o 11apr60 Send Updates Use APP to upload photo @ (optional) When Now? / / Send