Helicopter Sikorsky UH-60A Black Hawk Serial 70-680 Register 83-23855 used by US Army Aviation Army. Aircraft history and location Aircraft History 83-23855 US Army Aviation US Army in 2001 207 AvCo. 2014-03 A EHRD NSS2014 0-23855 1-214th AVN tdy EHRD 18-26 March 2014 1-214 AVN NSS 2014 Send Updates Use APP to upload photo @ (optional) When Now? / / Send