Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1331 Register 148776 used by US Marine Corps USMC. Built 1961. Aircraft history and location Aircraft History 148776 US Marine Corps 1961-05-22Sikorsky HUS-1, cn 58-1331, ff:? del USMC as HUS-1, 148776, 22May61 redesig UH-34D, Oct62 xfer HMM-161, MCAS New River, unk w/o 25Sep66. HMM-161 Send Updates Use APP to upload photo @ (optional) When Now? / / Send