Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1378 Register 148794 used by US Marine Corps USMC. Aircraft history and location Aircraft History 148794 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1378, ff:? del USMC as HUS-1, 148794, unk redesig UH-34D, Oct62 to Doan Helicopters, as N64781, 13Jul77. Send Updates Use APP to upload photo @ (optional) When Now? / / Send