Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-889 Register 145764 used by US Marine Corps USMC. Aircraft history and location Aircraft History 145764 US Marine Corps Sikorsky HUS-1, cn 58-889, ff:? del USMC as HUS-1, 145764, unk 1964-04-30 30apr64 helo in accident with minor injuries wfu due to excessive battle damage or excessive wear, Vietnam Send Updates Use APP to upload photo @ (optional) When Now? / / Send