Helicopter Sikorsky UH-60A Black Hawk Serial 70-861 Register 85-24387 used by US Army Aviation Army. Aircraft history and location Aircraft History 85-24387 US Army Aviation US Army 1-140th AVN, WA ARNG by 2012 2017 still 2020-05-07 R8524387 Yavapai County, Arizona2020-05-14 R8524387 Coolidge, ArizonaCall sign for this aircraft: R8524387 Send Updates Use APP to upload photo @ (optional) When Now? / / Send