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Gatineau, Quebec, 28 February 2013 — The Transportation Safety Board of Canada (TSB) today released its final air investigation report (A11O0031) into the 13 March 2011 return after take-off of a Sunwing Airlines flight at Toronto–Lester B. Pearson International Airport.

The Sunwing flight was bound for Cozumel, Mexico, with 189 passengers and a crew of 7. During the early morning take-off run, the aircraft's autothrottle disengaged because of the failure of the airspeed monitoring equipment. The pilot continued the take-off but encountered additional problems on the climb-out. The pilot then informed air traffic control that the aircraft would be returning to the airport. The aircraft returned and landed uneventfully. There were no injuries or damage to the aircraft.

The investigation determined that a failure in the pitot-static system, a system used to determine the aircraft's airspeed, resulted in inaccurate airspeed indications, stall warnings, and, for unknown reasons, misleading commands being displayed on the aircraft flight instruments. The investigation also found that the operator delayed reporting the incident to the TSB because it did not recognize this event as a reportable aviation occurrence. The delay meant that valuable information on the flight data recorder and the cockpit voice recorder was lost.

The faulty equipment was replaced and the aircraft was returned to service. Sunwing has updated its safety management system to include a review of TSB criteria for reportable accidents and incidents. This is intended to facilitate timely reporting of occurrences.


The TSB is an independent agency that investigates marine, pipeline, railway and aviation transportation occurrences. Its sole aim is the advancement of transportation safety. It is not the function of the Board to assign fault or determine civil or criminal liability.

For more information, contact:
Transportation Safety Board of Canada
Media Relations
819-994-8053

The Transportation Safety Board of Canada (TSB) is deploying a team of investigators to the site of a helicopter accident at the Sept- Îles airport. The team will gather information and assess the occurrence.

The TSB is an independent agency that investigates marine, pipeline, railway and aviation transportation occurrences. Its sole aim is the advancement of transportation safety. It is not the function of the Board to assign fault or determine civil or criminal liability. 

Published in Investigations

The Transportation Safety Board of Canada (TSB) is deploying an investigator as its accredited representative to the site of an accident in Kazakhstan involving a Bombardier CRJ 200 aircraft.

Published in Investigations

Spirit Airlines (Nasdaq:SAVE) said yesterday that it has completed its preliminary internal investigation into the incident on the night of December 31, 2012 involving Spirit Airlines flight 403 traveling from Atlanta and landing at Fort Lauderdale-Hollywood International Airport (FLL).

Published in US News

The Transportation Safety Board of Canada (TSB) today released its investigation report (A11W0152) into the 05 October 2011 crash of a Bell 206B helicopter operated by Rotorworks Inc. near the Drayton Valley Industrial Airport in Alberta.

This is an update on the NTSB's investigation into a July 28, 2012 incident involving a Boeing 787-8 airplane that experienced a loss of thrust in the right engine-a General Electric (GE) GEnx-1B turbofan - during a pre-first flight, low-speed taxi test at Charleston International Airport in Charleston, South Carolina.

Published in US News

The occurrence

On Friday, 24 August 2012, a Cessna 172 (C-FNET) was performing a return flight from Waterloo to Niagara Falls, Ontario, following visual flight rules.

Retrieval operations have ended Thursday morning after the recovery of the body of Nepali flight student Kshitiz Chand, whose body was found floating not far from the site where his light plane crashed with Interior Secretary Jesse Robredo and two others on board five days ago.

Transport Secretary Mar Roxas has ordered the Civil Aviation Authority of the Philippines to conduct a thorough investigation of the ill-fated Piper Seneca plane that carried Interior and Local Government Secretary Jesse Robredo enroute to Naga over the last weekend. 

The National Transportation Safety Board will hold a Board meeting to determine the probable cause of the accident that occurred during the 2011 National Championship Air Races in Reno, Nevada.

Published in US News
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