Cowichan District Hosp Airport (Duncan, BC) CDH4 Cartas IFR
| 37 | KFHR | Friday Harbor | Friday Harbor, WA |
| 37 | KORS | Orcas Island | Eastsound, WA |
| 47 | KCLM | William R Fairchild Intl | Port Angeles, WA |
| 54 | KBLI | Bellingham Intl | Bellingham, WA |
| 61 | KOKH | Delaurentis | Oak Harbor, WA |