Helicopter Sikorsky HH-60M Black Hawk Serial Register 11-20403 used by US Army Aviation Army. Aircraft history and location Aircraft History 11-20403 US Army Aviation 2023-02-1711-20403 A KHLRCallsign R20403 2023-05-17 R20403 Killeen, Texas2023-06-22 Fort Hood, Texas2023-08-30 R20403 Wickenburg, Arizona2023-09-26 R20403 Fort Hood, Texas2024-04-03 R20403 Jarrell, Texas2024-04-04 R20403 Fort Hood, TexasCall sign for this aircraft: R20403 Send Updates Use APP to upload photo @ (optional) When Now? / / Send