Helicopter Aerospatiale HH-65 Dolphin Serial 6270 Register 6574 used by US Coast Guard USCG. Aircraft history and location Aircraft History 6574 US Coast Guard 1996-01 A McMurdo Station at McMurdo Sound, Antarctica 2004HH-65A type CGAS Miami Coast Guard Air Station Miami 2006-05HH-65C at CGAS Houston. Notice new nose of the C variant Coast Guard Air Station Houston 2008MH-65C type asg CGAS Port Angeles Coast Guard Air Station Port Angeles 2011MH-65C type asg CGAS Port Angeles Coast Guard Air Station Port Angeles 2014-11MH-65D type asg ATC Mobile Aviation Traning Center Mobile Alabama Send Updates Use APP to upload photo @ (optional) When Now? / / Send