Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1544 Register 150212 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150212 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1544, ff:? del USMC as HUS-1, 150212, unk redesig UH-34D, Oct62 status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send