Helicopter Bell UH-1D Iroquois Serial 5499 Register 66-01016 used by US Army Aviation Army. Aircraft history and location Aircraft History 66-01016 US Army Aviation 66-01016 US Army 1968-06-13 Accident 13 Jun 1968, with 174 Assault Helicopter Company crashed following mid-air collision with Cessna O-2 67-21415 near Quang Ngai City. Send Updates Use APP to upload photo @ (optional) When Now? / / Send