Seattle-Tacoma International Airport

SEA · KSEA · Seattle, WA · Towered · Print kneeboard

Elevation
432 ft MSL
Longest runway
11,901 ft 16L/34R
Runways
3
Mag var
16E
Airport diagram FAA airport diagram for KSEA FAA airport diagramView full size ↓

Nearby now

Loading…

Weather

METAR observed

Loading current weather…

TAF forecast

Loading forecast…

Sun & FAA night2026-08-04 · night begins 09:14 PM
EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
05:15 AM12:15Z
Sunrise05:51 AM12:51Z
Sunset08:39 PM03:39Z
Evening civil twilight
Loggable night begins
09:14 PM04:14Z
Loggable night (§1.1)
09:14 PM → 05:15 AM
Night currency (§61.57)
09:39 PM → 04:51 AM

Plan a flight from KSEA

Past 24 hours category · wind · ceiling · visibility trends

Loading station history…

Winds aloft NOAA forecast · 3,000 to 53,000 ft

Loading winds aloft…

Advisories

NOTAMs

Loading NOTAMs…

Pilot reports

Loading PIREPs…

Airspace hazards

Checking advisories…

Runways

5,000 ftNMNxw 074°downwind 344°base 254°final 164°45° entry16C34C16L34R16R34L

RWY 16CLEFT traffic

Heading
164° mag · 180° true
Dimensions
9,426 × 150 ft
TPA
1,400 ft MSL (≈1,000 AGL) · standard
Surface
Concrete
Lights
4-light PAPI (left) (3°) + ALSF2
ILS
ILS/DME · CAT IIIB · LOC 111.7 (SZI) · GS 3.00°
CTAF
118.5
More details — RWY 16C
Threshold elev
429 ft
Markings
precision
Threshold crossing height
71 ft
TDZ elevation
430 ft
Declared TORA/TODA/ASDA/LDA
9,426 / 9,426 / 9,426 / 9,426 ft
End lights
centerline, TDZ

Condition: Excellent. Edge lights: High. Surface: Grooved. Weight bearing: Single wheel 120k, Double wheel 250k, Dual tandem 550k, Double dual tandem 1111k.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for KSEA → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KSEA kneeboard →

Comms & NavAids

Communication frequencies

Before taxi

“Seattle”
ATIS
118.0
Clearance — primary
128.0

Taxi & takeoff

“Seattle”
Ground — primary
121.7
Tower — primary
119.9 RWY 16L/34R, 16C/34C 120.95 RWY 16R/34L

Departure & arrival

“Seattle”
App/Dep
119.2 028-160 SEA RWY 16 · MOUNTAIN · SEATTLE · SUMMA departures 120.1 223-289 SEA, RWY 16 120.4 301-340 SEA, RWY 34 · ATOME · BANGR RNAV · ELMAA +5 more departures 123.9 CHINS · GLASR · SKYKO arrivals 125.6 ARR WEST · HAWKZ RNAV · JAWBN · MARNR RNAV · OLYMPIA arrivals 125.9 080-125 SEA, RWY 34 126.5 126-222 SEA, RWY 34 128.5 302-016 SEA, RWY 34

Arrival

“Seattle”
Approach
119.2 017-079 SEA RWY 34 · MOUNTAIN · SEATTLE · SUMMA departures 133.65 RWY 16/34 · initial contact

Also

UNICOM
122.95
Emergency
121.5

ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).

By procedure & sector (22 frequencies)
FrequencyUsed by
119.2CLASS B (017-079 SEA, RWY 34) · CLASS B (028-160 SEA RWY 16) · MOUNTAIN DP · SEATTLE DP · SUMMA DP (RWY 34L/C/R, NORTH)
120.1CLASS B (223-289 SEA, RWY 16) · CLASS B (223-301 SEA, RWY 34)
120.4ATOME DP · BANGR RNAV DP · CLASS B (301-340 SEA, RWY 34) · ELMAA DP · HAROB RNAV DP · ISBRG DP · JEFPO DP · OZWLD RNAV DP · SUMMA DP (RWY 16L/C/R, SOUTH)
122.275RAMP CTL (SOUTH RAMP)
123.9CHINS STAR · GLASR STAR · SKYKO STAR
125.6HAWKZ RNAV STAR · JAWBN STAR · MARNR RNAV STAR · OLYMPIA STAR
125.9CLASS B (080-125 SEA, RWY 34) · CLASS B (290-315 SEA RWY 16)
126.25RAMP CTL (GATE HOLD)
126.5CLASS B (126-222 SEA, RWY 34) · CLASS B (161-222 SEA, RWY 16)
126.875RAMP CTL (NORTH RAMP)
128.5CLASS B (302-016 SEA, RWY 34) · CLASS B (316-027 SEA RWY 16)
133.65FINAL (RWY 16/34)
239.3LCL/P (RWY 16L/34R, 16C/34C) · LCL/P (RWY 16R/34L)
243.0EMERG
269.125APCH/P DEP/P · APCH/P DEP/P (301-340 SEA, RWY 34) · APCH/S DEP/S · ATOME DP · CLASS B (301-340 SEA, RWY 34) · ISBRG DP · JEFPO DP · OZWLD RNAV DP · SUMMA DP (RWY 16L/C/R, SOUTH)
273.45APCH/P IC (RWY 16/34) · FINAL (RWY 16/34) · HAWKZ RNAV STAR · JAWBN STAR · MARNR RNAV STAR · OLYMPIA STAR
284.7APCH/P DEP/P (017-079 SEA, RWY 34) · APCH/P DEP/P (028-160 SEA, RWY 16) · CLASS B (017-079 SEA, RWY 34) · CLASS B (028-160 SEA, RWY 16) · MOUNTAIN DP · SEATTLE DP · SUMMA DP (RWY 34L/C/R, NORTH)
290.9APCH/P DEP/P (080-125 SEA, RWY 34) · APCH/P DEP/P (223-289 SEA, RWY 16) · APCH/P DEP/P (290-315 SEA, RWY 16) · CLASS B (080-125 SEA, RWY 34) · CLASS B (223-289 SEA, RWY 16) · CLASS B (223-301 SEA, RWY 34) · CLASS B (290-315 SEA, RWY 16)
306.9APCH/P DEP/P (316-027 SEA, RWY 16) · CLASS B (302-016 SEA, RWY 34) · CLASS B (316-027 SEA RWY 16)
338.2CHINS STAR · GLASR STAR · SKYKO STAR
377.15APCH/P DEP/P (126-222 SEA, RWY 34) · APCH/P DEP/P (161-222 SEA, RWY 16) · CLASS B (126-222 SEA, RWY 34) · CLASS B (161-222 SEA, RWY 16)
395.0BANGR RNAV DP · ELMAA DP · HAROB RNAV DP

Source: FAA NASR (current 28-day cycle).

Instrument landing systems

RWY 16C · RWY 34C · RWY 16L · RWY 34R · RWY 16R · RWY 34L
RunwayILS
RWY 16CILS/DME · CAT IIIB · LOC 111.7 (SZI) · GS 3.00°
RWY 34CILS/DME · CAT I · LOC 111.7 (TUC) · GS 3.00°
RWY 16LILS/DME · CAT III · LOC 110.3 (SNQ) · GS 3.00°
RWY 34RILS/DME · CAT I · LOC 110.3 (SEA) · GS 2.75°
RWY 16RILS/DME · CAT III · LOC 110.75 (CJL) · GS 3.00°
RWY 34LILS/DME · CAT I · LOC 110.75 (BEJ) · GS 3.00°

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

SEA 116.80 · TCM 109.60 · PAE 110.60 · +1
NavAidTypeFreq · chRangeRadial / Dist magnetic
SEA · Seattle VORTAC 116.80 · 115X High r339° / 0.8 NM
TCM · Mcchord TACAN 109.60 · 33X r005° / 19.2 NM
PAE · Paine VOR/DME 110.60 · 43X Low r163° / 28.4 NM
OLM · Olympia VORTAC 113.40 · 81X High r021° / 37.4 NM

Prefer one flat list? All KSEA frequencies →

Charts & procedures

Airport
Approaches
Departures
Arrivals
Minimums
Airport

Lowest minimums here: ILS with vertical guidance · VFR sectional →

Airport info

From the field

Do you run KSEA, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.

Airport information

ICAO / IATA
KSEA / SEA
Coordinates
47.4479, -122.3103
Elevation
432 ft MSL
Magnetic variation
16E
Sectional chart
SEATTLE
Airport use
Public
Control tower
Yes
Tower hours
24 hours
Airspace
Class B
Weather station
ASOS · 118.0 · ☎ 206-214-2592
ARTCC
SEATTLE (ZSE)
Flight service (FSS)
SEATTLE · 122.5 · 1-800-WX-BRIEF
NOTAM facility
SEA
Attendance
ALL ALL
Beacon
white-green (SS-SR)
Segmented circle
No
Wind indicator
lighted
FAR 139 class
I E
Landing fee
Yes
Activated
1944/01
Distance from city
10 S

Night operations

Airport lighting
SS-SR
Rotating beacon
white-green · SS-SR
Pilot-controlled lighting
Usually keyed on CTAF 118.5 — confirm the click sequence in the Chart Supplement ↗

Runway lighting aids — 16C: 4-light PAPI (left) + ALSF2 · 34C: 4-light PAPI (left) + MALSR · 16L: 4-light PAPI (left) + ALSF2 · 34R: 4-light PAPI (left) + MALSR · 16R: 4-light PAPI (right) + ALSF2 · 34L: 4-light PAPI (left) + MALSR.

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance
Fuel available
Jet A, Jet A-1
Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
NONE
Powerplant service
NONE
Parking
tiedowns
Other services
Air freight, Cargo, Charter
Ownership & management 2 contacts
Owner
PORT OF SEATTLE
BOX 1209, SEATTLE, WA
206-787-3000
Manager
WENDY REITER
BOX 68727, SEATTLE, WA
(206) 787-5229
Remarks FAA · 31 notes

General

  • BIRD FLOCKS ON AND INVOF ARPT - CHECK LCL ADZYS.
  • FLIGHT NOTIFICATION SERVICE (ADCUS) AVBL.
  • HELICOPTERS LANDING & DEPARTING AVOID OVERFLYING FUEL FARM LCTD AT THE SE CORNER OF THE ARPT.
  • (E110) CONTINUOUS POWER ARPT.
  • (E94) WSO/WSFO.
  • TWY A SOUTH OF TWY G RSTD TO ACFT WITH WINGSPAN 225 FT OR LESS.
  • DO NOT MISTAKE TWY T FOR LDG SFC.
  • ACES TO AIR CARGO 4 PRKG AND CARGO AREAS RSTD TO ACFT WITH WINGSPAN 170 FT OR LESS.
  • TWY FOR CORPORATE HNGR RAMP RSTD TO ACFT WITH WINGSPAN 62 FT OR LESS FOR TAXI OPS. GA CUST PRKG IS VERY LTD.
  • PPR FOR ALL GA PRKG AND SVCS;, CTC 206-433-5481. OPER HRS 0700L - 2100L, WITH A CALL OUT AVBL UPON REQ.
  • TXL W RSTRD TO ACFT WITH WINGSPAN 135 FT OR LESS NORTH OF TWY N AND 167 FT OR LESS SOUTH OF TWY N. SEATTLE RAMP TWR PRVDS ADZY CTL ONLY.
  • GA LDG FEES PAYABLE BY MAJOR CREDIT CARDS ONLY.
  • TXL ON NORTH SIDE OF TWY N STLT RSTD TO ACFT WITH WINGSPAN 118 FT OR LESS. TRI-TXL'S AT NORTH STLT: CNTR (GREEN) TXL RSTD TO ACFT WITH WINGSPAN 135 FT OR LESS. WHEN AN ACFT IS ON THE CNTR (GREEN) OR OTR (ORANGE/BLUE) TXL'S, NO OTR ACFT CAN SIMUL USE THE ADJ TXL(S). ORANGE & BLUE TXL'S ARE RSTD TO ACFT WITH WINGSPAN 118 FT OR LESS. TWO ACFT CAN SIMUL USE THE OUTER TXL'S.
  • RY STATUS LGTS ARE IN OPN.
  • ACFT WITH WINGSPAN OF 171 FT. OR MORE PRKD AT PAX GATES OR CARGO 7 MUST PROVD 30 MIN PPR PRIOR TO PUSHBACK TO SEATTLE RAMP TWR WHEN VIS LESS THAN 2400 RVR.
  • TWY J EAST OF TWY T RSTD TO ACFT WITH WINGSPAN 118 FT OR LESS.
  • RWY 16L/34R RSTD TO ACFT WITH WINGSPAN 260 FT OR LESS.
  • TWY H RSTRD TO ACFT WITH WINGSPAN 118 FT OR LESS.
  • TWY B SOUTH OF TWY S RSTRD TO ACFT WITH WINGSPAN 260 FT OR LESS.
  • AIR CARGO 5 RAMP DUAL ENG TAX ONLY
  • 100LL FUEL NOT AVBL.
  • THE USE OF REVERSE THRUST BYD WHAT IS NEC FOR OPNL OR SAFETY RSNS IS DISCOURAGED AT ALL TIMES. NOISE ABATEMENT FLT PROCS IN EFCT BTN 2200-0600. FOR FURTHER INFO CTC SEA NOISE ABATEMENT OFC AT 206-787-5393.
  • CONS TAXI TO TAKEOFF AT SEA. WHEN PRACTICAL, SAFE AND AVBL, CONS TAXI TO TAKEOFFS ARE ENCOURAGED. CONS TAXI TO TAKEOFFS MAY RDC ACFT NOISE WI NEARBY COMMUNITIES.
  • RPRT BIRD STRIKES TO 206-787-7233
  • SOUTH SATELLITE TXL RSTRD TO ACFT WITH WINGSPAN OF 214 FT OR LESS.
  • CARGO1 RSTRD TO ACFT WITH WINGSPAN OF 170 FT OR LESS.
  • TO MINIMIZE NOISE, FUEL BURN AND JET BLAST, OPERATORS ARE ADVISED TO USE THE MNM RQRD THRUST WHEN TAXIING INVOF THE TRML OR ACFT PRKG AREAS.

Runways

  • TDT 817
  • PCR VALUE: 1002/R/B/W/T
  • PCR VALUE: 1147/R/B/W/T
  • PCR VALUE: 866/R/B/W/T
Embed KSEA weather on your site free widget for schools, clubs & FBOs

Live METAR, flight category, and favored runway for KSEA — paste this into your website's HTML. It updates automatically and stays free.

<iframe src="https://skyready.app/embed/airport?icao=KSEA" title="KSEA live weather — SkyReady" width="100%" height="300" style="border:1px solid #dce5f2;border-radius:12px;max-width:420px" loading="lazy"></iframe>
<p style="font:14px system-ui;margin:6px 0 0"><a href="https://skyready.app/airport/ksea">KSEA live weather &amp; runways by SkyReady</a></p>

More widgets — crosswind, E6B, density altitude — on the embed page.

Nearby airports

Loading nearby conditions…

Also nearby: 2S1 Vashon Municipal Airport (7 NM) · S50 Auburn Municipal Airport (8 NM) · WN13 Vaughan Ranch Airfield (private) (11 NM) · S36 Norman Grier Field (11 NM)

About KSEA

Seattle-Tacoma International Airport (SEA · KSEA) is an airport in Seattle, WA, at 432 ft MSL. It has 3 runways, the longest 11,901 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KSEA, refreshed from the Aviation Weather Center and FAA NASR.

Does KSEA have a control tower?

Yes. Seattle-Tacoma International Airport has an operating FAA control tower. See the Comms & NavAids section for tower and ground frequencies.

What is the longest runway at KSEA?

Seattle-Tacoma International Airport has 3 runways; the longest is 11,901 ft. See the Runways section for headings, surface, and lighting.

Where is KSEA?

Seattle-Tacoma International Airport is in Seattle, WA, at an elevation of 432 ft MSL. Coordinates: 47.4479, -122.3103.

Fly out of KSEA often?

Save KSEA as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

Get the appSoon

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KSEA in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.