Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1696 Register 150567 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150567 US Marine Corps 1968-06-16Sikorsky UH-34D, cn 58-1696, ff:? del USMC as UH-34D, 150567, unk w/o 16Jun68. Send Updates Use APP to upload photo @ (optional) When Now? / / Send