Helicopter Bell UH-1C Iroquois Serial 1692 Register 66-00710 used by US Army Aviation Army. Built 1966. Aircraft history and location Aircraft History 66-00710 US Army Aviation 1967-07-31US Army 188th Assault Helicopter Company (AHC), Fort Campbell, KY w/o 31jul67 mid air collision with 66-00707 at Tuy Hoa, Vietnam Send Updates Use APP to upload photo @ (optional) When Now? / / Send