AEROSPATIALE AS350

Big Trout Lake, Ontario, May 27, 2011

Event Information

DateMay 27, 2011
Event TypeACC
LocationBig Trout Lake, Ontario
CountryCA
Highest Injury-
NTSB NumberENG11WA038
Event ID20110714X71229

Aircraft

MakeAEROSPATIALE
ModelAS350
Registration #C-GSSS
OperatorExpedition Helicopters
FAR PartNUSC
Aircraft DamageSUBS

Conditions

Light Condition-
Weather-

Injuries

Fatal0
Serious0
Minor0
None0
Total Injured0

Full Narrative

An Expedition Helicopters Aerospatiale AS 350 B-2, registration C-GSSS, powered by a Honeywell LTS-101-700-D engine, was substantially damaged during an emergency autorotation landing following an in-flight engine shutdown. According to the Transportation Safety Board of Canada,the helicopter was transporting a drilling crew from a base camp about 80 miles east of Big Trout Lake, Ontario, to a drill site, when, while in cruise flight, an uncommanded left yaw was experienced. The pilot performed an autorotation and the helicopter landed hard in shallow water near the shore of a lake. The helicopter was substantially damaged, but all occupants exited the helicopter safely and waded to shore.

The Transportation Safety Board of Canada is investigating this event. For further information, contact:

Mr. Ross Penden, Investigator-In-Charge
Transportation Safety Board of Canada
Tele: +1-204-983-2847; Mobile +1-204 771-6999
Email: [email protected]

This report is for informational purposes and contains only information obtained for or released by the TSB.

About This NTSB Record

This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.

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