What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
During touchdown, the helicopter appeared to enter ground resonance conditions that worsened resulting in the helicopter rolling over, impacting the ground, and breaking apart resulting in the destruction of the aircraft. The pilot sustained minor injuries. There was no post impact fire; however, there was damage to the nearby hangar and other aircraft from projectile debris of the rotor system and helicopter breaking apart.”
As the FAA filed it
DURING TOUCHDOWN, THE HELICOPTER APPEARED TO ENTER GROUND RESONANCE CONDITIONS THAT WORSENED RESULTING IN THE HELICOPTER ROLLING OVER, IMPACTING THE GROUND, AND BREAKING APART RESULTING IN THE DESTRUCTION OF THE AIRCRAFT. THE PILOT SUSTAINED MINOR INJURIES. THERE WAS NO POST IMPACT FIRE; HOWEVER, THERE WAS DAMAGE TO THE NEARBY HANGAR AND OTHER AIRCRAFT FROM PROJECTILE DEBRIS OF THE ROTOR SYSTEM AND HELICOPTER BREAKING APART.”
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.