Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1497 Register 149394 used by US Marine Corps USMC. Aircraft history and location Aircraft History 149394 US Marine Corps 1962-10Sikorsky HUS-1, c/n 58-1497, ff? del USMC as HUS-1, 149394 unk redesig UH-34D, Oct62 xfer to Air America as H-15. Send Updates Use APP to upload photo @ (optional) When Now? / / Send