AAIB: Sikorsky Helicopter Suffered from Loss of Yaw Control



The Sikorsky S92 helicopter that left significant gouge marks on the deck of a North Sea platform on December 28 suffered from a loss of yaw control on landing, the Air Accidents Investigation Branch (AAIB) has confirmed.

“Once the panels were removed it was immediately apparent that the tail rotor servo piston was damaged,” the AAIB report stated.

Following the incident, which occurred on the West Franklin platform in the North Sea, Sikorsky grounded all S92 aircraft for safety checks.



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