Helicopter Bell OH-58D Kiowa Warrior Serial 43284 Register 91-00571 used by US Army Aviation Army. Aircraft history and location Aircraft History 91-00571 US Army Aviation US Army 91-0571 cnvt. from ex OH-58A 68-16725 2007-05May07 1-14AVN./71G serial 10571 1-14 AVN Send Updates Use APP to upload photo @ (optional) When Now? / / Send