Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1720 Register 150724 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150724 US Marine Corps Sikorsky UH-34D, cn 58-1720, ff:? del USMC as UH-34D, 150724, unk wfu & xfer US registry as N12709, unk xfer Canada as C-GUNN, unk w/o 1996. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
