The master of the 70-foot vessel Brandi Anne issues a mayday call over VHF-FM channel 16 requesting Coast Guard assistance as his vessel sinks 41 miles northeast of Oahu, Hawaii, Aug. 9, 2015. Coast Guard crews from Sector Honolulu responded to the call and an Mh-65 Dolphin helicopter crew successfully rescued the crew of the Brandi Anne and delivered them to Air Station Barbers Point safely. (U.S. Coast Guard audio by Coast Guard Sector Honolulu)