Helicopter Sikorsky UH-60M Black Hawk Serial Register 20-27461 used by US Army Aviation Army. Built 2021. Aircraft history and location Aircraft History 20-27461 07Aug21 US Army Aviation 2021-08-07 A KJSDTest flight at Stratford, CT plant. Foreign Military Sales. 2021-10-19 A KJSD Landing at KJSD. ADS-B callsign showing R27461 with test hex AE5BB3 2021-11-02 B KHUATracking near Redstone AAF and Huntsville, AL area with Croatian hex 501FBC still using callsign R27461 Send Updates Use APP to upload photo @ (optional) When Now? / / Send