Cascade Valley Hospital Airport (Arlington, WA) 6WA9 IFR प्लेट्स
| 3 | KAWO | Arlington Muni | Arlington, WA |
| 20 | S43 | Harvey Fld | Snohomish, WA |
| 21 | KPAE | Snohomish County | Everett, WA |
| 24 | KBVS | Skagit Rgnl | Burlington/Mount Vernon, WA |
| 26 | KOKH | Delaurentis | Oak Harbor, WA |