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Accident to a Guimbal Cabri G2 registered HB-ZVK on 30/09/2021 at Ägerten

Atterrissage dur lors d'un exercice d'autorotation

Responsible entity

Switzerland - AAIB

Preliminary data based on the notification from the Swiss authorities:

After an autorotation exercise, the main rotor rpm dropped sharply when increasing power with the collective. The helicopter subsequently landed hard on a field and was severely damaged.