Helicopter Sikorsky HH-60M Black Hawk Serial Register 23-21264 used by US Army Aviation Army. Built 2023. Aircraft history and location Aircraft History 23-21264 27Nov23 US Army Aviation 2023-11-27 A KJSDRadio tests at Stratford, CT plant 2023-12-02 A KJSDTest flight 2024-03-15 R21264 Stratford, Connecticut2024-04-15 R21264 Stratford, Connecticut R21264 Stratford, ConnecticutCall sign for this aircraft: R21264 Send Updates Use APP to upload photo @ (optional) When Now? / / Send