What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The personnal aboard the aircraft heard a loud explosion. The explosion, in accordance with the pilot in command was followed by a loss of power. Aircraft floats were deployed and the autorotation initiated. The helicopter landed hard in the Gulf Of Mexico and then sank in approximately 180 feet of water.
As the FAA filed it
(-23) THE PERSONNAL ABOARD THE AIRCRAFT HEARD A LOUD EXPLOSION. THE EXPLOSION, IN ACCORDANCE WITH THE PILOT IN COMMAND WAS FOLLOWED BY A LOSS OF POWER. AIRCRAFT FLOATS WERE DEPLOYED AND THE AUTOROTATION INITIATED. THE HELICOPTER LANDED HARD IN THE GULF OF MEXICO AND THEN SANK IN APPROXIMATELY 180 FEET OF WATER.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.