Station Thirty Airport (Astoria, OR) OG56 Схемы захода на посадку по приборам
| 4 | KAST | Astoria Rgnl | Astoria, OR |
| 43 | KKLS | Southwest Washington Rgnl | Kelso, WA |
| 51 | KTMK | Tillamook | Tillamook, OR |
| 52 | KSPB | Scappoose | Scappoose, OR |
| 52 | KTDO | South Lewis Co | Toledo, WA |
