Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-810 Register 145742 used by US Marine Corps USMC. Built 1958. Aircraft history and location Aircraft History 145742 US Marine Corps 1958-03-05Sikorsky HUS-1, cn 58-810, ff:? del USMC as HUS-1, 145742, 05Mar58 redesig UH-34D, Oct62 w/o Southeast Asia, 12Dec65 Send Updates Use APP to upload photo @ (optional) When Now? / / Send