Helicopter Bell UH-1B Iroquois Serial 794 Register 63-8572 used by US Marine Corps USMC. Aircraft history and location Aircraft History 63-8572 US Marine Corps 1967-06-23Army UH-1B to USMC w/o 23jun67 collision with CH-53A BuNo 153305 near Jacksonville North Carolina Send Updates Use APP to upload photo @ (optional) When Now? / / Send