Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1601 Register 150236 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150236 US Marine Corps Sikorsky UH-34D, cn 58-1601, ff:? del USMC as UH-34D, 150236, unk xfer to Air America, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send