Accidents
AIBN, Airbus Helicopters Zero In on H225 Crash Cause
Lift-strut attachment is suspect number one, according to airframer.

The Norwegian air accident investigation bureau (AIBN) has made progress in explaining the April 29 crash of a CHC-operated Airbus H225, and from this juncture the agency is considering only three possibilities. In an interim report released late last week, the bureau cites the three possible causes for in-flight separation of the main rotor as failure of the epicyclic module, a lift-strut attachment or the main gearbox conical housing.