Mears Fld Airport (Concrete, WA) 3W5 Cartes IFR (règles des instruments de vol)
| 31 | KAWO | Arlington Muni | Arlington, WA |
| 31 | KBVS | Skagit Rgnl | Burlington/Mount Vernon, WA |
| 40 | KBLI | Bellingham Intl | Bellingham, WA |
| 46 | KOKH | Delaurentis | Oak Harbor, WA |
| 46 | S43 | Harvey Fld | Snohomish, WA |
