| Abbreviation | Definition |
|---|---|
| CYHM | Hamilton Civiv Airport, Canada |
| CYHO | Hopedale Airport, Canada |
| CYHU | Montreal St.-Hubert Airport, Canada |
| CYHY | Hay River Airport, Canada |
| CYHZ | Halifax International Airport, Canada |
| CYI | Chiayi, Taiwan China |
| CYIB | Atikokan Municipal Airport, Canada |
| CYIO | Pond Inlet Airport, Canada |
| CYIV | Island Lake/Garden Hill, Canada |
| CYJA | Jasper-Hinton Airport, Canada |
| CYJN | St. Jean Airport, Canada |
| CYJT | Stephenville Airport, Canada |
| CYKA | Kamloops Airport, Canada |
| CYKF | Kitchener Lake-Waterloo Wellin, Canada |
| CYKL | Schefferville Airport, Canada |
| CYKY | Kindersley Airport, Canada |
| CYKZ | Toronto Buttonville Airfield, Canada |
| CYLA | Langara, Canada |
| CYLC | Lake Harbour Airport, Canada |
| CYLD | Chapleau Airport, Canada |