Helicopter Bell UH-1D Iroquois Serial 4379 Register N64NH 64-13672 used by Northwest Helicopters ,US Army Aviation Army. Aircraft history and location Aircraft History 64-13672 US Army Aviation US Army, conv UH-1H N64NH Northwest Helicopters 2019-10Northwest Helicopters I Inc at Olympia, WA from Feb06 NWH / Turbines Llc from May12 Northwest Helicopters from Oct19 Send Updates Use APP to upload photo @ (optional) When Now? / / Send