Helicopter Sikorsky UH-60A Black Hawk Serial 70-579 Register 82-23756 used by US Army Aviation Army. Aircraft history and location Aircraft History 82-23756 US Army Aviation US Army 1995 159 MedCo. 1997 236 MedCo. 1999 236 MedCo. 2001 236 MedCo. 236 MedCo 1999-07-31 A ETIP 236 MedCo 236 MedCo Jul 1999 236 MedCo Send Updates Use APP to upload photo @ (optional) When Now? / / Send