Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1443 Register 149343 used by US Marine Corps USMC. Aircraft history and location Aircraft History 149343 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1443, ff:? del USMC as HUS-1, 149343, unk redesig UH-34D, Oct62 to US registry as N4217F, unk, status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send