Helicopter Sikorsky UH-60A Black Hawk Serial 70-839 Register 84-23998 used by US Army Aviation Army. Aircraft history and location Aircraft History 84-23998 US Army Aviation US Army 1995 C/1-223Avn./98F 1-223 AVN 1995-01-20 1-212th AVN /98F w/o 20jan95 Samson, Alabama. 1 fatality Send Updates Use APP to upload photo @ (optional) When Now? / / Send