What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Helicopter lost control on takeof and crashed. (.4)the density altitude was approximately 4,000 feet when the helicopter took off and departed the area. A witness reported that, moments later, the helicopter made a high speed flyby in the opposite direction at 2 or 3 feet above ground level after which the pilot made a climbing, steep turn at a near vertical bank angle. The helicopter then descended in the banked attitude until it impacted the terrain. The pilot reported that he recalled hearing the low rotor RPM warning horn before impact and that there were no mechanical malfunctions with the aircraft.
As the FAA filed it
HELICOPTER LOST CONTROL ON TAKEOF AND CRASHED. (.4)THE DENSITY ALTITUDE WAS APPROXIMATELY 4,000 FEET WHEN THE HELICOPTER TOOK OFF AND DEPARTED THE AREA. A WITNESS REPORTED THAT, MOMENTS LATER, THE HELICOPTER MADE A HIGH SPEED FLYBY IN THE OPPOSITE DIRECTION AT 2 OR 3 FEET ABOVE GROUND LEVEL AFTER WHICH THE PILOT MADE A CLIMBING, STEEP TURN AT A NEAR VERTICAL BANK ANGLE. THE HELICOPTER THEN DESCENDED IN THE BANKED ATTITUDE UNTIL IT IMPACTED THE TERRAIN. THE PILOT REPORTED THAT HE RECALLED HEARING THE LOW ROTOR RPM WARNING HORN BEFORE IMPACT AND THAT THERE WERE NO MECHANICAL MALFUNCTIONS WITH THE AIRCRAFT.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.