Sector Aviation
Broken vertical tailfin, EC155B1, North Sea, 11 September 2007
| Start date investigation | September 11, 2007 |
|---|---|
| End date investigation | June 7, 2011 |
| Type investigation | Short |
| Registratie vliegtuig | OY-HSL |
| Status investigation | Closed |
On the return flight from an oil platform, the heading of the helicopter changed rapidly and the autopilot disengaged automatically. The crew performed several checks and, as no anomalies could be determined, the flight continued. After landing at Den Helder Airport air traffic control informed the crew that a part of the tailfin was missing.
6 December 2010:
At the moment the investigation is in the final stage. In accordance with the Dutch Safety Board Act a draft report will soon be submitted for inspection of factual inaccuracies to the parties directly involved. The final report will be published about April 2011.