Helicopter Bell AH-1G Cobra Serial 21071 Register 71-21000 used by US Army Aviation Army. Aircraft history and location Aircraft History 71-21000 US Army Aviation US Army 1994-08-18 A KOQU Bell AH-1S Cobra 18aug94 AH-1S type 1-126th AVN. at homebase 1-126 AVN Send Updates Use APP to upload photo @ (optional) When Now? / / Send