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Seattle-Tacoma International Airport

SEA · KSEA · Seattle, WA · 433 ft elevation · var 16E · Towered

Airport information

ICAO / IATA
KSEA / SEA
Coordinates
47.4479, -122.3103
Elevation
433 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 · 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

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-22

EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
04:32 AM11:32Z
Sunrise05:12 AM12:12Z
Sunset09:10 PM04:10Z
Evening civil twilight
Loggable night begins
09:51 PM04:51Z
Loggable night (§1.1)
09:51 PM → 04:32 AM
Night currency (§61.57)
10:10 PM → 04:12 AM

Plan a flight from KSEA

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 in the live weather panel above.

Traffic pattern

16CTPANESW
LEFT traffic
Landing
Rwy 16C · 164°
Pattern
left (turns left)
TPA
1,400 ft MSL (≈1,000 AGL)
CTAF
118.5

Enter the left downwind for Rwy 16C at 1,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 16C/34C

9,426 ft × 150 ft · Concrete (Excellent)

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

16C
Heading
164° mag · 180° true
Threshold elev
429 ft
Markings
precision
VGSI
4-light PAPI (left) (3°)
Approach lights
ALSF2
Instrument landing
ILS/DME · CAT IIIB · LOC 111.7 (SZI) · GS 3.00°
Traffic pattern
Left
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
34C
Heading
344° mag · 0° true
Threshold elev
363 ft
Markings
precision
VGSI
4-light PAPI (left) (3°)
Approach lights
MALSR
Instrument landing
ILS/DME · CAT I · LOC 111.7 (TUC) · GS 3.00°
Traffic pattern
Left
Threshold crossing height
73 ft
TDZ elevation
387 ft
Declared TORA/TODA/ASDA/LDA
9,426 / 9,426 / 9,426 / 9,426 ft
End lights
centerline

Runway 16L/34R

11,901 ft × 150 ft · Concrete (Excellent)

Edge lights: High. Surface: Grooved. Weight bearing: Single wheel 120k, Double wheel 250k, Dual tandem 550k, Double dual tandem 1120k.

16L
Heading
164° mag · 180° true
Threshold elev
432 ft
Markings
precision
VGSI
4-light PAPI (left) (3°)
Approach lights
ALSF2
Instrument landing
ILS/DME · CAT III · LOC 110.3 (SNQ) · GS 3.00°
Traffic pattern
Left
Threshold crossing height
76 ft
TDZ elevation
432 ft
Declared TORA/TODA/ASDA/LDA
11,901 / 11,901 / 11,901 / 11,901 ft
End lights
centerline, TDZ
34R
Heading
344° mag · 0° true
Threshold elev
347 ft
Markings
precision
VGSI
4-light PAPI (left) (2.75°)
Approach lights
MALSR
Instrument landing
ILS/DME · CAT I · LOC 110.3 (SEA) · GS 2.75°
Traffic pattern
Left
Threshold crossing height
81 ft
TDZ elevation
372 ft
Declared TORA/TODA/ASDA/LDA
11,901 / 11,901 / 11,901 / 11,901 ft
End lights
centerline, TDZ

Runway 16R/34L

8,500 ft × 150 ft · Concrete (Excellent)

Edge lights: High. Surface: Grooved. Weight bearing: Single wheel 120k, Double wheel 250k, Dual tandem 482k, Double dual tandem 1007k.

16R
Heading
164° mag · 180° true
Threshold elev
415 ft
Markings
precision
VGSI
4-light PAPI (right) (3°)
Approach lights
ALSF2
Instrument landing
ILS/DME · CAT III · LOC 110.75 (CJL) · GS 3.00°
Traffic pattern
Left
Threshold crossing height
69 ft
TDZ elevation
415 ft
Declared TORA/TODA/ASDA/LDA
8,500 / 8,500 / 8,500 / 8,500 ft
End lights
centerline, TDZ
34L
Heading
344° mag · 0° true
Threshold elev
356 ft
Markings
precision
VGSI
4-light PAPI (left) (3°)
Approach lights
MALSR
Instrument landing
ILS/DME · CAT I · LOC 110.75 (BEJ) · GS 3.00°
Traffic pattern
Left
Threshold crossing height
75 ft
TDZ elevation
379 ft
Declared TORA/TODA/ASDA/LDA
8,500 / 8,500 / 8,500 / 8,500 ft
End lights
centerline
ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Communication frequencies

Tower & ground · “Seattle”

ATIS118.0
Clearance128.0
Ground121.7
Tower119.9 (RWY 16L/34R, 16C/34C) · 120.95 (RWY 16R/34L)
UNICOM122.95
Emergency121.5

Approach & departure · “Seattle”

Approach119.2017-079 SEA RWY 34 · MOUNTAIN · SEATTLE · SUMMA departures
Approach133.65RWY 16/34 · initial contact
App/Dep119.2028-160 SEA RWY 16 · MOUNTAIN · SEATTLE · SUMMA departures
App/Dep120.1223-289 SEA, RWY 16
App/Dep120.4301-340 SEA, RWY 34 · ATOME · BANGR RNAV · ELMAA +5 more departures
App/Dep123.9CHINS · GLASR · SKYKO arrivals
App/Dep125.6ARR WEST · HAWKZ RNAV · JAWBN · MARNR RNAV · OLYMPIA arrivals
App/Dep125.9080-125 SEA, RWY 34
App/Dep126.5126-222 SEA, RWY 34
App/Dep128.5302-016 SEA, RWY 34

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

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

NavAidTypeFreqRadial / Dist magnetic
SEA · SeattleVORTAC116.80r340° / 0.8 NM
TCM · McchordVORTAC109.60r358° / 19.2 NM
PAE · PaineVOR-DME110.60r163° / 28.4 NM
OLM · OlympiaVORTAC113.40r021° / 37.4 NM

Airport diagram

Open PDF ↗
Preview diagram Open the airport diagram PDF

Procedures at a glance

⚠ Hot spots published at this airport — review the hot-spot chart before you taxi ↗
Lowest mins: ILS · vertical guidance Diverse Vector Area ↗ Takeoff mins / ODP ↗

Approaches35

Departures

Arrivals

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗
Preview Chart Supplement Open the Chart Supplement PDF

Airport notices: page 1 ↗

VFR sectional

Open KSEA on the VFR sectional (SkyVector) ↗

Services

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

Owner
PORT OF SEATTLE
BOX 1209, SEATTLE, WA
206-787-3000
Manager
WENDY REITER
BOX 68727, SEATTLE, WA
(206) 787-5229

Remarks FAA

  • EXISTED PRIOR TO MAY 15, 1959.
  • 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.
  • TDT 817
  • PCR VALUE: 1002/R/B/W/T
  • PCR VALUE: 1147/R/B/W/T
  • PCR VALUE: 866/R/B/W/T

Nearby airports

KRNT · Renton Municipal Airport (5 NM)KBFI · King County International Airport - Boeing Field (5 NM)2S1 · Vashon Municipal Airport (7 NM)S50 · Auburn Municipal Airport (8 NM)WN13 · Vaughan Ranch AirfieldPrivate (11 NM)S36 · Norman Grier Field (11 NM)

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.

About KSEA

Seattle-Tacoma International Airport (SEA · KSEA) is an airport in Seattle, WA, at 433 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. Check the Comms & NavAids tab 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 tab for headings, surface, and lighting.

Where is KSEA?

Seattle-Tacoma International Airport is in Seattle, WA, at an elevation of 433 ft MSL. Coordinates: 47.4479, -122.3103.

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