4,836Total occurrences

By year

1993: 1
1994: 28
1995: 42
1996: 39
1997: 43
1998: 64
1999: 59
2000: 55
2001: 61
2002: 163
2003: 144
2004: 133
2005: 226
2006: 216
2007: 253
2008: 265
2009: 275
2010: 305
2011: 318
2012: 299
2013: 221
2014: 226
2015: 201
2016: 180
2017: 168
2018: 175
2019: 149
2020: 73
2021: 49
2022: 68
2023: 75
2024: 100
2025: 116
2026: 46

By category

Other: 1,644
Undershoot/overshoot: 985
System/component failure or malfunction [non-powerplant]: 956
ATM/CNS: 762
Aerodrome: 761
Bird: 697
Airprox/TCAS alert/loss of separation/(near) midair collisions: 366
Abrupt manoeuvre: 307
System/component failure or malfunction [powerplant]: 210
Navigation Errors: 190
Security related: 130
Medical: 127

Recent occurrences

2026O1289 · 2026-05-17 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O1224 · 2026-05-12 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O1044 · 2026-04-28 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O1035 · 2026-04-25 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0968 · 2026-04-20 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0962 · 2026-04-17 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0957 · 2026-04-16 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0943 · 2026-04-16 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0812 · 2026-04-03 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0724 · 2026-04-03 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0823 · 2026-04-03 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0755 · 2026-03-30 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0715 · 2026-03-24 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0669 · 2026-03-19 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0903 · 2026-03-10 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0567 · 2026-03-08 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0675 · 2026-03-08 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0493 · 2026-03-07 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0564 · 2026-03-07 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0909 · 2026-03-06 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0483 · 2026-02-27 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0383 · 2026-02-27 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0481 · 2026-02-24 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0433 · 2026-02-22 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)
2026O0406 · 2026-02-21 · Incident · OTTAWA / MACDONALD-CARTIER INTL ON (CYOW)

Occurrence counts reflect reporting activity and traffic volume, not a measure of relative safety. Source: Transport Canada — CADORS, under the Open Government Licence – Canada.

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