Helicopter Sikorsky HH-60W Jolly Green II Serial Register 21-14524 used by US Air Force USAF. Built 2024. Aircraft history and location Aircraft History 21-14524 09Mar24 US Air Force 2024-03-09 A KJSDRadio tests 2024-03-14 A KJSDTest flight at Stratford CT. Non-sequential ICAO hex AEDB55 2024-03-19 B KBDR Test flight approach in to KBDR over Milford CT Send Updates Use APP to upload photo @ (optional) When Now? / / Send