Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-465 Register 143966 used by US Marine Corps USMC. Built 1957. Aircraft history and location Aircraft History 143966 US Marine Corps 1957-02-25Sikorsky HUS-1 cn 58-465, ff:? del USMC as HUS-1, 143966, 25Feb57 redesig UH-34D, Oct 1962 xfer HMM-363, YZ-##, unk damaged Southeast Asia, 25Dec66 xfer HAMRON 16 COSA, Da Nang, unk w/o 18Jan67. HMH-363 Send Updates Use APP to upload photo @ (optional) When Now? / / Send