Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1428 Register 148331 used by US Marine Corps USMC. Aircraft history and location Aircraft History 148331 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1428, ff:? del USMC as HUS-1, 149331, unk redesig UH-34D, Oct62 xfer US registry as N4217A, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send