Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-784 Register 145735 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145735 US Marine Corps 1958-02-05Sikorsky HUS-1, cn 58-784, ff:? del USMC as HUS-1, 145735, 05Feb58 w/o HMM-361, MCAS New River, 28Aug67. HMH-361 Send Updates Use APP to upload photo @ (optional) When Now? / / Send