What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) During start-up while on off-shore platform and throttle reported at 70%, helicopter began bouncing and rocking on all four skid corners, started rotating, then went over the side of the platform into the water.
As the FAA filed it
(-23) DURING START-UP WHILE ON OFF-SHORE PLATFORM AND THROTTLE REPORTED AT 70%, HELICOPTER BEGAN BOUNCING AND ROCKING ON ALL FOUR SKID CORNERS, STARTED ROTATING, THEN WENT OVER THE SIDE OF THE PLATFORM INTO THE 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.