Incident Overview
An Expedition Helicopters Aerospatiale AS 350 B-2, registered as C-GSSS and equipped with a Honeywell LTS-101-700-D engine, sustained substantial damage during an emergency autorotation landing. The event occurred following an in-flight engine shutdown while the helicopter was en route from a base camp to a drill site.
Flight Details
The helicopter was transporting a drilling crew from a base camp located approximately 80 miles east of Big Trout Lake, Ontario, to a drill site. While in cruise flight, the pilot experienced an uncommanded left yaw. In response, the pilot executed an autorotation maneuver.
Landing and Aftermath
The helicopter landed hard in shallow water near the shore of a lake. The impact caused substantial damage to the aircraft. However, all occupants exited the helicopter without injury and waded to shore safely.
Investigation
The Transportation Safety Board of Canada is investigating the event. For further information, contact Mr. Ross Penden, Investigator-In-Charge.