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King County International Airport - Boeing Field

BFI · KBFI · Seattle, WA · 21 ft elevation · var 15E · Towered

Airport information

ICAO / IATA
KBFI / BFI
Coordinates
47.5270, -122.2999
Elevation
21 ft MSL
Magnetic variation
15E
Sectional chart
SEATTLE
Airport use
Public
Control tower
Yes
Tower hours
24 hours
Airspace
Class D
Weather station
ASOS · 127.75 · ☎ 206-658-6435
ARTCC
SEATTLE (ZSE)
Flight service (FSS)
SEATTLE · 1-800-WX-BRIEF
NOTAM facility
BFI
Attendance
ALL ALL
Beacon
white-green (SS-SR)
Segmented circle
No
Wind indicator
lighted
FAR 139 class
IV C
Customs / AOE
Yes
Landing fee
Yes
Activated
1938/11
Distance from city
4 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
04:31 AM11:31Z
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 → 04:31 AM
Night currency (§61.57)
10:10 PM → 04:12 AM

Plan a flight from KBFI

Night operations

Airport lighting
SEE RMK
Rotating beacon
white-green · SS-SR
Pilot-controlled lighting
Usually keyed on CTAF 122.95 — confirm the click sequence in the Chart Supplement ↗

Runway lighting aids — 14L: 2-light PAPI (left) · 32R: 2-light PAPI (left) · 14R: 4-light PAPI (left) + MALSF · 32L: 4-light PAPI (left).

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Traffic pattern

14LTPANESW
LEFT traffic
Landing
Rwy 14L · 135°
Pattern
left (turns left)
TPA
1,000 ft MSL (≈1,000 AGL)
CTAF
122.95

Enter the left downwind for Rwy 14L at 1,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 14L/32R

3,709 ft × 100 ft · Asphalt (Fair)

Edge lights: Med. Surface: Grooved. Weight bearing: Single wheel 120k, Double wheel 250k, Dual tandem 550k, Double dual tandem 1109k.

14L
Heading
135° mag · 150° true
Threshold elev
17 ft
Markings
basic
VGSI
2-light PAPI (left) (3°)
Traffic pattern
Left
Threshold crossing height
39 ft
TDZ elevation
18 ft
End lights
REIL
Displaced threshold
250 ft
32R
Heading
315° mag · 330° true
Threshold elev
17 ft
Markings
basic
VGSI
2-light PAPI (left) (3°)
Traffic pattern
Right
Approach obstacle
Tree, 210 ft, 5,000 ft from threshold, 625 ft R of centerline — 22:1 slope to clear
Threshold crossing height
39 ft
TDZ elevation
18 ft
End lights
REIL
Displaced threshold
375 ft

Runway 14R/32L

10,007 ft × 200 ft · Asphalt (Good)

Edge lights: High. Surface: Grooved. Weight bearing: Single wheel 100k, Double wheel 200k, Dual tandem 500k, Double dual tandem 800k.

14R
Heading
135° mag · 150° true
Threshold elev
18 ft
Markings
precision
VGSI
4-light PAPI (left) (3°)
Approach lights
MALSF
Instrument landing
ILS/DME · CAT I · LOC 110.9 (BFI) · GS 3.00°
Traffic pattern
Right
Approach obstacle
Fence, 12 ft, 240 ft from threshold, 425 ft R of centerline — 3:1 slope to clear · penetrates the 20:1 visual approach surface
Threshold crossing height
55 ft
TDZ elevation
18 ft
Declared TORA/TODA/ASDA/LDA
10,000 / 10,000 / 9,120 / 9,120 ft
32L
Heading
315° mag · 330° true
Threshold elev
21 ft
Markings
precision
VGSI
4-light PAPI (left) (3.1°)
Instrument landing
ILS/DME · CAT I · LOC 110.9 (CHJ) · GS 3.10°
Traffic pattern
Left
Approach obstacle
Rr, 27 ft, 200 ft from threshold, 375 ft R of centerline — 40:1 slope to clear
Threshold crossing height
66 ft
TDZ elevation
22 ft
Declared TORA/TODA/ASDA/LDA
10,000 / 10,000 / 10,000 / 9,120 ft
End lights
REIL
Displaced threshold
887 ft
ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Communication frequencies

Tower & ground · “Boeing”

ATIS127.75
Clearance132.4
Ground121.9
Tower118.3 (RWY 14L/32R) · 120.6 (RWY 14R/32L & ALL IFR)
UNICOM122.95
Flight service122.5

Approach & departure · “Seattle”

Approach125.9initial contact
App/Dep119.2017-079 SEA, RWY 32 · KENT · NRVNA RNAV departures
App/Dep120.1223-289 SEA, RWY 14
App/Dep120.4301-340 SEA. RWY 32 · CBAIN RNAV · NEEDLE departures
App/Dep125.9080-125 SEA, RWY 32
App/Dep126.5126-222 SEA, RWY 32
App/Dep128.5302-016 SEA, RWY 32

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

By procedure & sector (16 frequencies)
FrequencyUsed by
119.2CLASS B (017-079 SEA, RWY 32) · CLASS B (028-160 SEA RWY 14) · KENT DP · NRVNA RNAV DP
120.1CLASS B (223-289 SEA, RWY 14) · CLASS B (223-301 SEA, RWY 32)
120.4CBAIN RNAV DP · NEEDLE DP
123.9GLASR STAR
125.6JAWBN STAR · OLYMPIA STAR
125.9CLASS B (080-125 SEA RWY 32) · CLASS B (290-315 SEA RWY 14)
126.5CLASS B (126-222 SEA, RWY 32) · CLASS B (161-222 SEA, RWY 14)
128.5CLASS B (302-016 SEA, RWY 32) · CLASS B (316-027 SEA, RWY 14)
257.8LCL/P
269.125APCH/P DEP/P (301-340 SEA, RWY 32) · CBAIN RNAV DP · NEEDLE DP
273.45JAWBN STAR · OLYMPIA STAR
284.7APCH/P DEP/P (017-079 SEA, RWY 32) · APCH/P DEP/P (028-160 SEA, RWY 14) · CLASS B (017-079 SEA RWY 32) · CLASS B (028-160 SEA RWY 14) · KENT DP · NRVNA RNAV DP
290.9APCH/P DEP/P (080-125 SEA, RWY 32) · APCH/P DEP/P (290-315 SEA, RWY 14) · CLASS B (080-125 SEA, RWY 32) · CLASS B (223-289 SEA, RWY 14) · CLASS B (223-301 SEA, RWY 32) · CLASS B (290-315 SEA, RWY 14)
306.9APCH/P DEP/P (302-016 SEA, RWY 32) · APCH/P DEP/P (316-027 SEA, RWY 14) · APCH/P IC · CLASS B (302-016 SEA, RWY 32) · CLASS B (316-027 SEA, RWY 14)
338.2GLASR STAR
377.15APCH/P DEP/P (126-222 SEA, RWY 32) · APCH/P DEP/P (161-222 SEA, RWY 14) · CLASS B (126-222 SEA, RWY 32) · CLASS B (161-222 SEA, RWY 14)

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

Instrument landing systems

RunwayILS
RWY 14RILS/DME · CAT I · LOC 110.9 (BFI) · GS 3.00°
RWY 32LILS/DME · CAT I · LOC 110.9 (CHJ) · GS 3.10°

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

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
SEA · SeattleVORTAC116.80r345° / 5.5 NM
PAE · PaineVOR-DME110.60r162° / 23.6 NM
TCM · McchordVORTAC109.60r355° / 23.9 NM

Airport diagram

Open PDF ↗
Preview diagram Open the airport diagram PDF

Chart Supplement FAA A/FD

Open PDF ↗
Preview Chart Supplement Open the Chart Supplement PDF

Airport notices: page 1 ↗

Services

Fuel available
100LL, Jet A
Bottled oxygen
HIGH/LOW
Bulk oxygen
HIGH/LOW
Airframe service
MAJOR
Powerplant service
MAJOR
Parking
tiedowns, hangars
Other services
Air freight, Air ambulance, Avionics, Cargo, Charter, Instruction, Rental, Aircraft sales, Survey

Ownership & management

Owner
KING COUNTY
516 THIRD AVE, SEATTLE, WA
(206) 296-7380
Manager
JOHN PARROTT, AAE
7277 PERIMETER ROAD SOUTH, SEATTLE, WA
206-296-7334

Remarks FAA

  • ESTABD PRIOR TO 1959.
  • TPA RWY 14L/32R 1000 MSL; RWY 14R/32L 800 MSL.
  • TOUCH AND GO LNDGS PROHIBITED 2200-0700.
  • BIRD FLOCKS WITHIN ARPT VICINITY. - CHECK LOCAL ADVISORIES.
  • FLIGHT NOTIFICATION SERVICE (ADCUS) AVBL.
  • 14' ANT (MKD/LGTD) 230' FM RY 14L END 125' R.
  • TWY A1 & TWY A FROM A1-A3 RSTRD TO ACFT UP TO 150000 LBS AND LESS THAN 108 FT WINGSPAN.
  • TWYS A2; A4: A6; &B2 RSTD TO ACFT UP TO 12500 LBS. TWY A9 RSTD TO ACFT UP TO 60000LBS.
  • GA ITNRNT/TSNT PRKG AVBL. CTC ARPT OPS 206-296-7334.
  • TWR 80 FT AGL LCTD 1200 FT N AND 900 FT W OF THLD RY 14R.
  • FOR NOISE ABATEMENT PROCEDURES, CONTACT NOISE OFFICE AT (206) 296-7334.
  • EXTENSIVE HELICOPTER TRAINING ACTIVITY ON TAXIWAY B.
  • FOR MUSEUM OF FLT TSNT ACFT PRKG, PPR, CALL MUSEUM OF FLT SCTY (206) 920-9770.
  • TAXIWAY ZULU AND 880' SPECIAL USE PAVEMENT AVAILABLE 72 HOURS PRIOR PERMISSION REQUIRED. CONTACT AIRPORT OPERATIONS 206-296-7334.
  • EMERG FREQ 121.5 NOT MNT AT TWR.
  • FOR BOEING MILITARY FLIGHT CENTER RAMP PERMISSION, CTC RAMP COORDINATOR 206-225-0989, 72 HOUR PRIOR PERMISSION REQUIRED, 96 HOUR PRIOR PERMISSION REQUIRED IF ORDNANCES/MUNITIONS INSTALLED OR IF ORDNANCES/MUNITIONS STORAGE IS REQUIRED. LIMITED LOX SERVICE MEETING MIL-PRF-27210J, TYPE II AVAILABLE FOR MILITARY FLIGHT CENTER TRANSIENT AIRCRAFT, CONTACT 96 HOURS PRIOR WITH NEEDED VOLUME AND AIRCRAFT TYPE. PRIOR TO ARRIVAL ONTO BOEING COMMERCIAL AIRPLANE RAMP, CTC BOEING SEATTLE AT 123.425 OR CALL 206-662-4500. ADVANCED PERMISSION TO ACCESS BOEING COMMERCIAL AIRPLANE RAMP ONLY, CTC 206-544-5900 M-F 1600Z-0000Z.
  • FOR CD WHEN ATCT IS CLSD CTC SEATTLE APCH AT 206-214-4722.
  • VFR PILOTS SHLD REVIEW & EXPC VFR PROCS PRIOR TO ARR/DEP.
  • HIRL RY 14R/32L OPEN DUSK-DAWN. MIRL RY 14L/32R NOT OPER 0600-1500Z++.
  • JPARROTT@KINGCOUNTY.GOV.
  • LTD TO USE BY ACFT UP TO 12,500 LBS.
  • PCR VALUE: 310/F/B/X/T
  • PCR VALUE: 770/R/C/W/T
  • RWY 14L/32R NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.
  • FENCE/ROAD/POLES/RR TRACKS WITHIN EAST EDGE OF PRIM SFC.
  • APCH SLOPE 40:1 TO DSPLCD THLD.
  • APCH RATIO 27:1 FM DSPLCD THLD.

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 KBFI 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 KBFI

King County International Airport - Boeing Field (BFI · KBFI) is an airport in Seattle, WA, at 21 ft MSL. It has 2 runways, the longest 10,007 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KBFI, refreshed from the Aviation Weather Center and FAA NASR.

Does KBFI have a control tower?

Yes. King County International Airport - Boeing Field has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KBFI?

King County International Airport - Boeing Field has 2 runways; the longest is 10,007 ft. See the Runways tab for headings, surface, and lighting.

Where is KBFI?

King County International Airport - Boeing Field is in Seattle, WA, at an elevation of 21 ft MSL. Coordinates: 47.5270, -122.2999.

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