KSEA
SEASeattle–Tacoma International Airport · Seattle
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
433 ft / 132 m
Transition Altitude
18,000 ft
Primary Channel
TWR 119.90 MHz (Seattle Tower)
Runway Summary
16L/34R11,900 ftAsphaltLIGHTED
16C/34C9,426 ftCONC-FLIGHTED
16R/34L9,426 ftConcreteLIGHTED
Mission Briefing & Tools
Direct calculators and pre-filled resources for this airport.
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Buy me a beerBriefing for Seattle–Tacoma International Airport (KSEA), United States. This facility features 4 active runways with an elevation of 433 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.
Full Name
Seattle–Tacoma International Airport
ICAO / IATA
KSEA / SEA
Municipality
Seattle
Country
Region
US-WA
GPS Coordinates
Transition Altitude
18,000 ft
Official Website
Wikipedia
Runway 16L / 34R
ILSLIGHTED
Length: 11,900 ft / 3,627 m
Surface: Asphalt
Heading: 180° / 360°
Surface: Asphalt
Heading: 180° / 360°
RWY 16L
110.30 MHz
ID: SNQ | CRS: 164°
RWY 34R
110.30 MHz
ID: SEA | CRS: 344°
Runway 16C / 34C
ILSLIGHTED
Length: 9,426 ft / 2,873 m
Surface: CONC-F
Heading: 180° / 360°
Surface: CONC-F
Heading: 180° / 360°
RWY 16C
111.70 MHz
ID: SZI | CRS: 164°
RWY 34C
111.70 MHz
ID: TUC | CRS: 344°
Runway 16R / 34L
ILSLIGHTED
Length: 9,426 ft / 2,873 m
Surface: Concrete
Heading: 180° / 360°
Surface: Concrete
Heading: 180° / 360°
RWY 16R
110.75 MHz
ID: CJL | CRS: 164°
RWY 34L
110.75 MHz
ID: BEJ | CRS: 344°
Runway lower / high
LIGHTED
Length: 0 ft / —
Surface: —
Heading: —° / —°
Surface: —
Heading: —° / —°
RWY lower
No ILS
RWY high
No ILS
A/D APP/DEP
119.20 MHz
CLD CLNC DEL
128.00 MHz
CTAF Oshosh traffic
118.50 MHz
D-ATIS Digital ATIS
118.00 MHz
GND Seattle Ground
121.70 MHz
TWR Seattle Tower
119.90 MHz
UNIC UNICOM
122.95 MHz
Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified