Port Townsend, Washington
0S9 Jefferson County Intl
Jefferson County Intl (0S9) is a non-towered, public-use airport in Port Townsend, Washington, at 110.1 ft MSL. It has 2 runways: 09/27 (3,000 by 75 ft, asphalt), H1 (65 by 65 ft, asphalt). Right traffic for runway 09. Published pattern altitude 890 ft AGL (about 1,000 ft MSL). CTAF 123.0.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA 0S9
- Location
- Port Townsend, Washington (Jefferson County). 6 NM SW of the city center
- Elevation
- 110.1 ft MSL
- Position
- 48.0538° N, 122.8106° W
- Pattern altitude
- 890 ft AGL
- Control tower
- No, non-towered
- Sectional chart
- Seattle
- Magnetic variation
- 16° E (2015)
- Fuel
- 100LL
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily 0900-1800
2 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 09/27 | 3,000 × 75 ft | Asphalt, excellent condition | Medium intensity |
| H1 | 65 × 65 ft | Asphalt, excellent condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 09 | Right traffic | 2-light PAPI, left | None listed | None listed | Not listed |
| 27 | Not stated | 2-light PAPI, right | None listed | None listed | Not listed |
| H1 | Not stated | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 123.0
- Actvt Reil Rwy 09; Papi Rwy 09 & 27; Mirl Rwy 09/27 - Ctaf.
- UNICOM
- 123.0
- Approach / departure
- 118.2
- "Whidbey"
Weather station
- AWOS-3P 0S9
- 119.025
Before you go
Brief 0S9 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Jefferson County Intl, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.