Air Transportation Safety Advisory Letter A22Q0107-D1-A1
September 17, 2025
Director General, Civil Aviation
Transport Canada
Air transportation
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Recommendation Name
Air transportation safety investigation report
Table 1. Reportable aircraft occurrences, September 2025
| September | Year to date (September) | ||||
|---|---|---|---|---|---|---|
2025 | 2024 | 2020-2024 average | 2025 | 2024 | 2020-2024 average | |
Table 3. Accidents involving Canadian-registered fixed wing and rotary wing aircraft by type of operation, September 2025
| September | Year to date (September) | ||||
|---|---|---|---|---|---|---|
2025 | 2024 | 2020-2024 average | 2025 | 2024 | 2020-2024 average | |
Table 2. Occurrences involving Canadian-registered aircraft, September 2025
| September | Year to date (September) | ||||
|---|---|---|---|---|---|---|
2025 | 2024 | 2020-2024 average | 2025 | 2024 | 2020-2024 average | |
Air transportation safety investigation A25F0337
The occurrence
On 07 September 2025, a Boeing 737-800 aircraft operated by WestJet was conducting a flight from Toronto/Lester B. Pearson International Airport, Ontario, to Princess Juliana International Airport, St. Maarten, with 157 passengers and 6 crew members on board.
Air transportation safety investigation A25O0130
The occurrence
On 2 September 2025, an Airbus A220-300 aircraft operated by Air Canada as flight ACA1398 was conducting a scheduled flight from Toronto/Lester B. Pearson International Airport (CYYZ), Ontario, to Newark Liberty International Airport (KEWR), New Jersey, United States, with 122 passengers and five crew members on board. The occurrence took place during the hours of darkness, under clear weather conditions.
Runway incursions
Runway incursions lead to an ongoing risk of aircraft colliding with other aircraft or vehicles.
Runway overruns
Runway overruns have been on the Watchlist since 2010, and continue to pose a risk to people, property, and the...
