# NTSB DCA11WA104: Boeing 737, Toronto, Canada, March 13, 2011

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: March 13, 2011, 06:57 local (10:57 UTC)
- Place: Toronto, Canada
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 81902
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA11WA104
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/81902/pdf
- Page: https://openairdocs.org/ntsb/DCA11WA104

## Factual narrative

On March 13, 2011, at 0657 eastern daylight time, a Boeing 737-8Q8 aircraft, registration C-FTAH, experienced stall stickshaker and overspeed clacker warnings upon takeoff from Toronto/Lester B. Pearson International Airport (YYZ), Ontario, Canada. The crew advised air traffic control of a technical problem and returned to YYZ. The airplane was not damaged and no injuries occurred. The flight was registered to and operated by Sunwing Airlines as flight 531 on a flight from YYZ to Cozumel International Airport (CZM), Quintana Roo, Mexico. The investigation is being conducted by the Transportation Safety Board (TSB) of Canada. The NTSB designated a U.S. Accredited Representative as the state of manufacture to assist the TSB's investigation. All inquiries should be directed to: Transportation Safety Board of Canada 200 Promenade du Portage Place du Centre, 4th Floor Hull, Quebec K1A 1K8 Canada Website: http://www.tsb.gc.ca

## Aircraft

- Registration: C-FTAH (not matched to a registry record)
- Reported make and model: BOEING 737 (8Q8)
- Category: Airplane
- Serial number: 29351
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: Sunwing Airlines
- Airworthiness certificate: Standard, Transport
- Departed: YYZ, Toronto
- Destination: CZM, Cozumel
- Flight plan: IFR
- Airport: YYZ, Lester Pearson International

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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