AAIB investigation to Agusta AB206B, G-WIZZ

Low rotor speed warning led to autorotation and subsequent tail boom damage due to rotor blade contact, Humberston Fitties Beach, Lincolnshire, 15 October 2021.

• From: Air Accidents Investigation Branch
• Published: 10 February 2022

• Category: General aviation - rotorcraft
• Report type: Bulletin - Correspondence investigation
• Date of occurrence: 15 October 2021
• Aircraft type: Agusta AB206B
• Location: Humberston Fitties Beach, Lincolnshire
• Registration: G-WIZZ

Summary:

The pilot reported that the low main rotor speed warning light illuminated when he pulled on the collective lever at a height of approximately 800 ft. The helicopter was flying over a beach and he “immediately entered autorotation” leading to a run-on landing at approximately 15 kt. The helicopter came to rest upright on its skids, but the main rotor blades were found to have struck the tail boom causing substantial damage. There were no injuries.

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Agusta AB206B, G-WIZZ 02-22

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Published 10 February 2022