Helicopter Bell UH-1B Iroquois Serial 440 Register 62-1920 used by US Army Aviation Army. Aircraft history and location Aircraft History 62-1920 US Army Aviation US Army 62-01920 “White House Special” 17feb74 aircraft that was stolen and landed at the White House 1992 A KNXX preserved at JRB Willow Grove, PA 2017-02 A KNXX Still at Willow Grove, PA (now Horsham Air Guard Station) by 2017 Send Updates Use APP to upload photo @ (optional) When Now? / / Send