Jefferson County International Airport

IATA TWDICAO K0S9Small airfield

Jefferson County International Airport is a small airfield near Port Townsend in Washington, United States. It is listed as IATA TWD and ICAO K0S9. The airport is located at 48.0538° / -122.8110° at an elevation of 33 m (108 ft). There is one runway, the longest measuring 914 m. The nearest airport is Sky Valley Airstrip, 3.4 km (2 mi) away. No scheduled service is recorded for this airfield.

Symbolic aviation imagery (AI-generated) – not a photo of this specific airport.

Map detail of Jefferson County International Airport with runways — Close-up with runways

World map showing the position of Jefferson County International Airport — Overview map

Data

Data
IATA code	`TWD`
ICAO code	`K0S9`
Local code	`0S9`
Identifier	`K0S9`
Type	Small airfield
City	Port Townsend
Region	Washington
Country	United States
Coordinates	48.05380, -122.81100
Coordinates (deg/min/sec)	48° 03′ 13.68″ N 122° 48′ 39.59″ W
Elevation	33 m (108 ft)
Scheduled service	no

Travel gear that fits

Automatically selected recommendations for a trip to Jefferson County International Airport – based on climate, location and airport type.

Travel adapter A/B
The destination uses socket types A/B at 120 V – the right adapter keeps everything charged.
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Travel guide United States
Background on the country and its people around United States – for after you land.
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Spotting binoculars
Identify registrations and types from the fence – bright and handy.
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Packable rain jacket
Changeable weather at your destination – windproof, water-repellent and packs down small.
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Neck pillow
Supports your head on long-haul flights and during long waits at the gate.
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Carry-on trolley
Hard-shell case in standard cabin size – fits the overhead bins of most scheduled flights.
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