| ICAO code | CZYZ |
| Country | Canada |
| Type | Flight Information Region |
| Center | 47.57165, -81.59555 |
| Airports | 543 |
| NOTAM | Toronto FIR NOTAMs |
| METARs | 54 |
| SIGMETs | 0 |
| Size | 530,972 km2 |
| Adjacent |
| ID | Name | IATA | METAR | City | Region | Type |
|---|---|---|---|---|---|---|
| CLM3 | Lake Muskoka/Alport Bay Seaplane Base | Ontario | Seaplane base | |||
| CLM5 | Lake Muskoka South Seaplane Base | Lake Muskoka | Ontario | Seaplane base | ||
| CLM6 | Miller Island Seaplane Base | Lake Muskoka | Ontario | Seaplane base | ||
| CLR2 | Lake Rosseau/John's Bay Seaplane Base | Lake Rosseau | Ontario | Seaplane base | ||
| CLV2 | Stayner (Clearview Field) Airport | Stayner | Ontario | Closed | ||
| CLW3 | Laurel / Whittington | Ontario | Small airport | |||
| CMA2 | Mattawa Airport | Mattawa | Ontario | Small airport | ||
| CMB3 | Cambridge (Puslinch Lake) Seaplane Base | Cambridge | Ontario | Seaplane base | ||
| CMB6 | Lake Muskoka East (Milford Bay) Seaplane Base | Milford Bay | Ontario | Seaplane base | ||
| CME2 | Omemee Airport | Omemee | Ontario | Small airport | ||
| CME3 | Bala (Medora Lake) | Ontario | Small airport | |||
| CMF4 | Port Hope (Millson Field) | Ontario | Small airport | |||
| CMH2 | Milton (Afi) Heliport | Milton | Ontario | Heliport | ||
| CMI2 | Minden (Hospital) Heliport | Minden | Ontario | Heliport | ||
| CMK2 | McKellar (Manitouwabing) Seaplane Base | McKellar | Ontario | Seaplane base | ||
| CML4 | Morrison Lake Seaplane Base | Gravenhurst | Ontario | Seaplane base | ||
| CML6 | Six Mile Lake (Hungry Bay) Seaplane Base | Ontario | Seaplane base | |||
| CMW3 | Matawatchan Aerodrome | Ontario | Small airport | |||
| CMW4 | Collins Field | Madawaska | Ontario | Small airport | ||
| CMZ2 | Arthur (Metz Field) | Arthur | Ontario | Small airport | ||
| CNA2 | Highgate Airport | Highgate | Ontario | Small airport | ||
| CNA3 | Barrie Executive Airport | Springwater | Ontario | Small airport | ||
| CNA4 | Emsdale Airport | Emsdale | Ontario | Small airport | ||
| CNA5 | Uxbridge (Cottage Hospital) Heliport | Uxbridge | Ontario | Heliport | ||
| CNA9 | Tomvale Airport | Plevna | Ontario | Small airport | ||
| CNB2 | Bolton Heliport | Bolton | Ontario | Heliport | ||
| CNB3 | North Bay Regional Health Centre Helipad | North Bay | Ontario | Heliport | ||
| CNB4 | Cobourg (Northumberland Hills Hospital) Heliport | Cobourg | Ontario | Heliport | ||
| CNB5 | Arnprior Seaplane Base | Arnprior | Ontario | Seaplane base | ||
| CNB7 | Moosonee Seaplane Base | Ontario | Seaplane base | |||
| CNB8 | Sudbury/Ramsey Lake Seaplane Base | Ontario | Seaplane base | |||
| CNC3 | Brampton-Caledon Airport | Ontario | Midsized airport | |||
| CNC4 | Guelph Airport | Guelph | Ontario | Small airport | ||
| CNC5 | Sudbury/Azilda Seaplane Base | Ontario | Seaplane base | |||
| CNC7 | Lake Muskoka/Mortimer'S Point Seaplane Base | Port Carling | Ontario | Seaplane base | ||
| CNC8 | Temagami Seaplane Base | Temagami | Quebec | Seaplane base | ||
| CNC9 | Perth (Great War Memorial Hospital) Heliport | Perth | Ontario | Heliport | ||
| CND4 | Stanhope Municipal Airport | Haliburton | Ontario | Small airport | ||
| CND6 | Granitehill Lake Seaplane Base | Ontario | Seaplane base | |||
| CND9 | Portage Lake Seaplane Base | Ontario | Seaplane base | |||
| CNE4 | Iroquois Falls Airport | Iroquois Falls | Ontario | Small airport | ||
| CNE5 | Bar River Seaplane Base | Bar River | Ontario | Seaplane base | ||
| CNE9 | Essex Airport | Essex | Ontario | Closed | ||
| CNF2 | Haliburton (Hospital) Heliport | Haliburton | Ontario | Heliport | ||
| CNF4 | Kawartha Lakes (Lindsay) Airport | Lindsay | Ontario | Small airport | ||
| CNF5 | Batchawana Seaplane Base | Ontario | Seaplane base | |||
| CNF6 | Haliburton Seaplane Base | Ontario | Seaplane base | |||
| CNF8 | Dwight Airport | Dwight | Ontario | Small airport | ||
| CNF9 | Niagara South Airport | Niagara Falls | Ontario | Small airport | ||
| CNG5 | Pembroke (Regional Hospital) Heliport | Pembroke | Ontario | Heliport |