| Abbreviation | Definition |
|---|---|
| CYDC | Princeton, Canada |
| CYDF | Deer Lake Airport, Canada |
| CYDL | Dease Lake Airport, Canada |
| CYDN | Dauphin Airport, Canada |
| CYDQ | Dawson Creek Airport, Canada |
| CYDR | Broadview, Canada |
| CYE | Crystal Lake, Pennsylvania USA |
| CYED | Edmonton Namao Military Field, Canada |
| CYEG | Edmonton International Airport, Canada |
| CYEK | Eskimo Point Arviat Airport, Canada |
| CYEN | Estevan Airport, Canada |
| CYEP | Estevan Point, Canada |
| CYET | Edson Airport, Canada |
| CYEU | Eureka Airport, Canada |
| CYEV | Inuvik Airport, Canada |
| CYF | Chefornak, Alaska USA |
| CYFB | Iqaluit (Frobisher Bay), Canada |
| CYFC | Fredericton Airport, Canada |
| CYFE | Forestville Airport, Canada |
| CYFL | Fort Reliance Water Aerodrome, Canada |