Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1593 Register 150232 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150232 US Marine Corps 1968-12-02Sikorsky UH-34D, cn 58-1593, ff:? del USMC as UH-34D, 150232, unk w/o Phu Bai, RVN, 02Dec68. Send Updates Use APP to upload photo @ (optional) When Now? / / Send