Helicopter Aerospatiale HH-65 Dolphin Serial 6104 Register 6509 used by US Coast Guard USCG. Aircraft history and location Aircraft History 6509 US Coast Guard 1985-11USCG HH-65A d/d nov85 2004 type:HH-65A CGAS Atlantic City Coast Guard Air Station Atlantic City 2013-02-09 09feb13 at Marblehead, OH probably from Selfridge AFB Send Updates Use APP to upload photo @ (optional) When Now? / / Send