K0S9 · TWD
Jefferson County International Airport
Jefferson County International Airport (K0S9 / TWD) is a general-aviation airfield serving Port Townsend, Washington. The field lies at 108 ft (33 m) above sea level and has a single runway of 3,000 ft (914 m), asphalt and lit. Its nearest neighbour is Sky Valley Airstrip (WA68), 2 nm NW.
Jefferson County International Airport is a smaller field, so Alārium does not attribute movements to it directly — but aircraft flying near it appear on the live map like any other, at their real altitude and on their real track.
Location
- Elevation
- 108 ft (33 m)
- Coordinates
- 48.0538, -122.8110
- Serving
- Port Townsend
- Region
- Washington
- Time zone
- America/Los_Angeles
Runways1 · longest 3,000 ft
The diagram is drawn from published threshold coordinates, so each runway sits where it actually sits — true bearings, true separations, true lengths. Runway widths are exaggerated against length, which at true proportion would draw a hairline. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 09/27 | 3,000 ft914 m | 75 ft | Asphalt | Lit |
Nearby airfields
Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.