Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-972 Register 145788 used by US Marine Corps USMC. Aircraft history and location Aircraft History 145788 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-972, ff:? del USMC as HUS-1, 145788, unk redesig UH-34D, Oct62 SOC NAS Glynco, 30Dec71. Send Updates Use APP to upload photo @ (optional) When Now? / / Send