| Abbreviation | Definition |
|---|---|
| CYTR | Trenton Airport, Canada |
| CYTS | Timmins Airport, Canada |
| CYTZ | Toronto Island Airport, Canada |
| CYU | Cuyo, Philippines |
| CYUA | Shingle Point Airport, Canada |
| CYUB | Tuktoyaktuk Airport, Canada |
| CYUC | Nicholson Peninsula, Canada |
| CYUF | Pelly Bay Dewline Site Airport, Canada |
| CYUH | Clinton Point Airport, Canada |
| CYUI | Cape Young Airport, Canada |
| CYUJ | Lady Franklin Point Airport, Canada |
| CYUK | Byron Bay Airport, Canada |
| CYUL | Montreal Dorval International, Canada |
| CYUQ | Jenny Lind Island Airport, Canada |
| CYUR | Gladman Point Airport, Canada |
| CYUS | Sheperd Bay Airport, Canada |
| CYUT | Repulse Bay Airport, Canada |
| CYUX | Hall Beach Airport, Canada |
| CYVC | La Ronge Airport, Canada |
| CYVG | Vermilion Airport, Canada |