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Accident de l'hélicoptère AS355 immatriculé OO-HSK et exploité par Heliservice Belgium le 31/03/2017 à Sint Pieters Leeuw [Enquête menée par AIB / Belgique]

Collision du rotor anti-couple avec un obstacle, lors d'une translation

Autorité en charge

Belgique - AIB

Données issues du rapport préliminaire des autorités de la Belgique :

The pilot brought the helicopter to a hover, moved laterally towards the parking spot 2, then moved to the arking spot 3. Above parking spot 3, he wanted to position the helicopter into the wind and initiated a counter-clockwise rotation.

The pilot suddenly felt that the tail hit an obstacle, the helicopter turned to the right somewhat, then violently to the left, as the tail rotor failed.

The pilot reaction was to lower the collective controls and land immediately.