# Jefferson County International Airport (TWD / 0S9)

**Jefferson County International Airport** (IATA: TWD, FAA: 0S9) is a small airport in Port Townsend, Washington, United States. It opened in Jan 1939. It has one runway, 3,000 ft (914 m) long, asphalt.

Web page: https://dromopedia.com/airports/k0s9

## At a glance

- IATA / ICAO: TWD / —
- FAA: 0S9
- Type: Small airport
- Serves: Port Townsend, Washington, United States
- Opened: Jan 1939
- Elevation: 110 ft / 34 m
- Coordinates: 48.0538, -122.8110
- Runways: 1
- Helipads: 1
- Longest runway: 3,000 ft / 914 m
- Instrument procedures: 1 approach
- Time zone: UTC-8/-7 · America/Los_Angeles
- Website: http://portofpt.com/air-services/jefferson-county-international-airport/
- Wikipedia: https://en.wikipedia.org/wiki/Jefferson_County_International_Airport (5 languages)
- Wikidata: https://www.wikidata.org/wiki/Q2902617
- Weather station: K0S9
- Ident: K0S9

## Timeline

- Jan 1939: Jefferson County International Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 09/27 | 3,000 ft / 914 m | 75 ft / 23 m | Asphalt | 104° / 284° | yes |

- Also 1 helipad.

## Rankings

Ranked among 48,075 open airports; = marks a shared place.

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Longest runway | 3,000 ft / 914 m | =15,843 of 29,858 | =6,443 in North America | =5,447 in US |
| Elevation | 110 ft / 34 m | =36,500 of 43,403 | #16,556 in North America | #13,864 in US |
| Age | Opened 1939 | =1,029 of 15,079 | =343 in North America | =322 in US |
| Runways | 1 | =4,364 of 29,978 | =2,583 in North America | =2,326 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| UNIC | CTAF/UNICOM | 123.000 |
| AWOS-3P | Phone: 360-379-1199 | 119.025 |

## Nearby airports

- [WA68](https://dromopedia.com/airports/wa68.md) Sky Valley Airstrip · 2.1 mi / 3.4 km
- [WA42](https://dromopedia.com/airports/wa42.md) Stacey's Airport · 5.7 mi / 9.1 km
- [WA45](https://dromopedia.com/airports/wa45.md) Olympic Field · 5.8 mi / 9.3 km
- [2WA1](https://dromopedia.com/airports/2wa1.md) Diamond Point Airstrip · 6.1 mi / 9.8 km
- [WN40](https://dromopedia.com/airports/wn40.md) Coupeville Airpark · 12 mi / 20 km
- [WA22](https://dromopedia.com/airports/wa22.md) Mirth Airport · 12 mi / 20 km

## Sources

- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/k0s9/data