Helicopter Sikorsky UH-60A Black Hawk Serial 70-936 Register 85-24447 used by US Army Aviation Army. Aircraft history and location Aircraft History 85-24447 US Army Aviation US Army 1993 1-140th AVN, California Army National Guard 2009 still 1-140 2014-12-0303dec14 Det.2, F Co, 1-171st General Support Aviation Battalion, emergency landing in Columbia, SC 07dec14 being recoved by Chinook 1-171 AVN South Carolina National Guard Recovers Helicopter Send Updates Use APP to upload photo @ (optional) When Now? / / Send