| ICAO code | CZYZ |
| Country | Canada |
| Type | Flight Information Region |
| Center | 47.57165, -81.59555 |
| Airports | 543 |
| NOTAM | Toronto FIR NOTAMs |
| METARs | 51 |
| SIGMETs | 0 |
| Size | 530,972 km2 |
| Adjacent |
| ID | Name | IATA | METAR | City | Region | Type |
|---|---|---|---|---|---|---|
| CNH6 | Hawk Junction Seaplane Base | Ontario | Seaplane base | |||
| CNH7 | North Bay Seaplane Base | Ontario | Seaplane base | |||
| CNJ3 | Fort Erie Airport | Fort Erie | Ontario | Small airport | ||
| CNJ4 | Orillia-RAMA Regional Airport | Orillia | Ontario | Small airport | ||
| CNJ5 | Hearst/Carey Lake Seaplane Base | Hearst | Ontario | Seaplane base | ||
| CNJ6 | Hornepayne Seaplane Base | Ontario | Seaplane base | |||
| CNJ8 | White River Seaplane Base | YWR | White River | Ontario | Seaplane base | |
| CNK4 | Parry Sound Area Municipal Airport | YPD | Parry Sound | Ontario | Small airport | |
| CNK5 | Dorset/Kawagama Lake (Old Mill Marina) Seaplane Base | Ontario | Seaplane base | |||
| CNK6 | Owen Sound (Grey Bruce Health Services) Heliport | Owen Sound | Ontario | Heliport | ||
| CNK9 | Kitchener-Waterloo (Grand River Hospital) Heliport | Kitchener-Waterloo | Ontario | Heliport | ||
| CNL4 | Port Elgin Airport | Port Elgin | Ontario | Small airport | ||
| CNL5 | Chapleau Seaplane Base | Seaplane base | ||||
| CNL6 | Hurds Lake Seaplane Base | Renfrew | Ontario | Seaplane base | ||
| CNL7 | Nobel / Lumsden Air Park | Ontario | Small airport | |||
| CNL8 | Wyevale (Boker Field) Airport | Wyevale | Ontario | Small airport | ||
| CNM2 | Melbourne Airport | Melbourne | Ontario | Closed | ||
| CNM3 | Sturgeon Falls (West Nipissing General Hospital) Heliport | Sturgeon Falls | Ontario | Heliport | ||
| CNN3 | Shelburne / Fisher Field | Shelburne | Ontario | Small airport | ||
| CNN5 | Cochrane Seaplane Base | Ontario | Seaplane base | |||
| CNN7 | Gooderham/Pencil Lake Seaplane Base | Ontario | Seaplane base | |||
| CNN8 | Gananoque Airport | Gananoque | Ontario | Small airport | ||
| CNP2 | Lake Rosseau/Windermere Seaplane Base | Ontario | Seaplane base | |||
| CNP3 | Arnprior Airport | Arnprior | Ontario | Small airport | ||
| CNP5 | Kamaniskeg Lake Seaplane Base | Combermere | Ontario | Seaplane base | ||
| CNP8 | Greenbank Airport | Greenbank | Ontario | Small airport | ||
| CNQ3 | Niagara Central Dorothy Rungeling Airport | Welland | Ontario | Small airport | ||
| CNQ4 | Tillsonburg Airport | Tillsonburg | Ontario | Small airport | ||
| CNQ6 | Keene/Elmhirst's Resort Seaplane Base | Ontario | Seaplane base | |||
| CNQ7 | Port Loring Seaplane Base | Ontario | Seaplane base | |||
| CNR2 | Innerkip Airport | Ontario | Small airport | |||
| CNR3 | Sault Ste. Marie Heliport | Sault Ste. Marie | Ontario | Heliport | ||
| CNR4 | Tobermory Airport | Tobermory | Ontario | Small airport | ||
| CNR9 | Arnstein Airport | Arnstein | Ontario | Closed | ||
| CNS2 | Smoky Lake Seaplane Base | Ontario | Seaplane base | |||
| CNS3 | Englehart (District Hospital) Heliport | Englehart | Ontario | Heliport | ||
| CNT2 | Nobel/Sawdust Bay Seaplane Base | Ontario | Seaplane base | |||
| CNT4 | Little Current (Manitoulin Health Centre) Heliport | Little Current | Ontario | Heliport | ||
| CNT5 | Lake Muskoka/Dudley Bay Seaplane Base | Ontario | Seaplane base | |||
| CNT6 | Elmira Airport | Elmira | Ontario | Closed | ||
| CNT7 | Picton Airport | Prince Edward County | Ontario | Small airport | ||
| CNU3 | Peterborough (Civic Hospital) Heliport | Peterborough | Ontario | Heliport | ||
| CNU4 | Belleville Aerodrome | Belleville | Ontario | Small airport | ||
| CNU6 | Huntsville Seaplane Base | Ontario | Seaplane base | |||
| CNU8 | Markham Airport | Toronto | Ontario | Small airport | ||
| CNV3 | New Liskeard (Temiskaming Hospital) Heliport | New Liskeard | Ontario | Heliport | ||
| CNV5 | Elk Lake Seaplane Base | Ontario | Seaplane base | |||
| CNV6 | Orillia/Lake St John Seaplane Base | Ontario | Seaplane base | |||
| CNV7 | Sault Ste. Marie/Partridge Point Seaplane Base | Sault Ste. Marie | Ontario | Seaplane base | ||
| CNV8 | Edenvale Aerodrome | Edenvale | Ontario | Small airport |