Helicopter Bell UH-1H Iroquois Serial 13304 Register 72-21605 used by US Army Aviation Army. Aircraft history and location Aircraft History 72-21605 US Army Aviation 158th Avn Regt 1997-07-15 A EGSU Exhibit Jul 1997, to US Air Museum, Duxford, still there Mar 2016 Send Updates Use APP to upload photo @ (optional) When Now? / / Send