Accident de l'hélicoptère AS350 immatriculé N515ET le 27/09/2017 à Fullerton, Californie [Enquête menée par NTSB / Etats-Unis]

Données préliminaires issues de la notification des autorités des Etats-Unis :

The CFI reported that the flight departed from Long Beach about 0920. The purpose of the flight was for the pilot-rated student to undergo an annual training/checkride. While at the Fullerton airport, the student configured the helicopter for a simulated hydraulics off maneuver. At the end of the maneuver the airspeed got too low and the helicopter did a 360° turn from which the CFI could not recover. The helicopter hit the ground and the tail boom severed. The wind was calm.