Airports / Washington / TWD
Jefferson County International Airport.
Port Townsend, Washington · 108 ft elevation. A private-aviation gateway on the Bravo register.
4.8/5
Google rating
30 ratings
0
Operators based
108
Elevation ft
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
#9 / 50
Washington airports by Google rating
4.8★ across 30 Google ratings , ranked against 50 rated WA fields.
19 nm
To the nearest alternate
Whidbey Island Naval Air Station (Ault Field) (NUW), 6 fields within 50 nm.
Overview
Jefferson County International Airport (TWD) sits in Port Townsend, Washington, where it functions as a general aviation field. Field elevation is 108 feet above sea level. Free of scheduled airline operations, it serves business aviation, charter flights, and local general aviation.
While no charter operators list TWD as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are Whidbey Island Naval Air Station (Ault Field) (NUW, 19 nm), Seattle Paine Field International Airport (PAE, 23 nm), and Center Island Airport (CWS, 26 nm). The field has a single 3,000-foot paved runway, long enough for charter aircraft up to turboprops.
Trip costs from TWD are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from TWD to plan your flight.
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Field capability
ICAO
K0S9
IATA
TWD
FAA / Local
0S9
Elevation
108 ft
Coordinates
48.0538° N · 122.8110° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs WA fields
state range 10–2,556 ft
At 108 ft, TWD sits lower than 73% of the 52 Washington fields on the register.
Runways & aircraft access
1 runway
longest 3,000 ft
- 09/273,000 ft × 75 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 3,000 ft
TWD's 3,000 ft paved runway typically supports charter aircraft up to turboprops.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 19nmNUWWhidbey Island Naval Air Station (Ault Field)Oak Harbor
- 23nmPAESeattle Paine Field International AirportEverett
- 26nmCWSCenter Island AirportCenter Island
- 26nmLPSLopez Island AirportLopez
- 27nmDTRDecatur Shores AirportDecatur
- 27nmKAWOArlington Municipal AirportArlington
Location
Open the full mapK0S9 · Jefferson County International Airport · Port Townsend, WA
Flight times from here
Approximate nonstop block times from TWD on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Jackson Hole (JAC) | 570 nm | 1h 44m |
| San Francisco (SFO) | 627 nm | 1h 51m |
| Salt Lake City (SLC) | 636 nm | 1h 53m |
| Las Vegas (LAS) | 795 nm | 2h 15m |
| Vail / Eagle (EGE) | 851 nm | 2h 23m |
| Los Angeles (VNY) | 853 nm | 2h 23m |
| Aspen (ASE) | 869 nm | 2h 25m |
| Denver (DEN) | 922 nm | 2h 33m |
Common questions
- What size private jets can use TWD?
- Jefferson County International Airport's longest paved runway is 3,000 ft, which typically supports charter aircraft up to turboprops. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at TWD?
- Jefferson County International Airport has one runway; the longest measures 3,000 ft on a paved surface and is lit for night operations.
- What is the nearest major airport to TWD?
- The closest alternate is Whidbey Island Naval Air Station (Ault Field) (NUW), about 19 nm away, followed by Seattle Paine Field International Airport (PAE) at 23 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from TWD to major cities?
- Typical block times on a midsize jet: Jackson Hole about 1h 44m (570 nm), San Francisco about 1h 51m (627 nm), Salt Lake City about 1h 53m (636 nm). Faster classes trim these times; add positioning and taxi for the real schedule.