Seattle, Washington
KSEA Seattle-Tacoma Intl
Seattle-Tacoma Intl (KSEA) is a towered, public-use airport in Seattle, Washington, at 432.3 ft MSL. It has 3 runways: 16C/34C (9,426 by 150 ft, concrete), 16L/34R (11,901 by 150 ft, concrete), 16R/34L (8,500 by 150 ft, concrete).
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KSEA, FAA SEA
- Location
- Seattle, Washington (King County). 10 NM S of the city center
- Elevation
- 432.3 ft MSL
- Position
- 47.4499° N, 122.3118° W
- Control tower
- Yes (ATCT)
- Sectional chart
- Seattle
- Magnetic variation
- 16° E (2020)
- Fuel
- Jet A, Jet A-1
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily ALL
3 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 16C/34C | 9,426 × 150 ft | Concrete, excellent condition | High intensity |
| 16L/34R | 11,901 × 150 ft | Concrete, excellent condition | High intensity |
| 16R/34L | 8,500 × 150 ft | Concrete, excellent condition | High intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 16C | Left traffic | 4-light PAPI, left | ILS/DME | None listed | 9,426 ft |
| 34C | Left traffic | 4-light PAPI, left | ILS/DME | None listed | 9,426 ft |
| 16L | Not stated | 4-light PAPI, left | ILS/DME | None listed | 11,901 ft |
| 34R | Not stated | 4-light PAPI, left | ILS/DME | None listed | 11,901 ft |
| 16R | Not stated | 4-light PAPI, right | ILS/DME | None listed | 8,500 ft |
| 34L | Not stated | 4-light PAPI, left | ILS/DME | None listed | 8,500 ft |
VHF
Frequencies
- ATIS
- 118.0
- "Seattle". Hours 24
- UNICOM
- 122.95
- Tower
- 119.9
- "Seattle". Sector RWY 16L/34R, 16C/34C. Hours 24
- Tower
- 120.95
- "Seattle". Sector RWY 16R/34L. Hours 24
- Ground
- 121.7
- "Seattle". Hours 24
- Clearance delivery
- 128.0
- "Seattle". Hours 24
- Approach / departure
- 119.2
- "Seattle". Sector 017-079 SEA RWY 34
- Approach / departure
- 119.2
- "Seattle". Sector 028-160 SEA RWY 16
- Approach / departure
- 120.1
- "Seattle". Sector 223-289 SEA, RWY 16
- Approach / departure
- 120.1
- "Seattle". Sector 223-301 SEA, RWY 34
- Approach / departure
- 120.4
- "Seattle". Sector 301-340 SEA, RWY 34
- Approach / departure
- 123.9
- "Seattle"
- Approach / departure
- 125.6
- "Seattle". Sector ARR WEST
- Approach / departure
- 125.9
- "Seattle". Sector 080-125 SEA, RWY 34
- Approach / departure
- 125.9
- "Seattle". Sector 290-315 SEA, RWY 16
- Approach / departure
- 126.5
- "Seattle". Sector 126-222 SEA, RWY 34
- Approach / departure
- 126.5
- "Seattle". Sector 161-222 SEA, RWY 16
- Approach / departure
- 128.5
- "Seattle". Sector 302-016 SEA, RWY 34
- Approach / departure
- 128.5
- "Seattle". Sector 316-027 SEA, RWY 16
- Approach / departure
- 133.65
- "Seattle". Sector RWY 16/34
Weather station
- ASOS SEA
- No frequency listed
Before you go
Brief KSEA in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Seattle-Tacoma 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.