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
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-22
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:31 AM | 11:31Z |
| Sunrise | 05:12 AM | 12:12Z |
| Sunset | 09:10 PM | 04:10Z |
| Evening civil twilight Loggable night begins | 09:51 PM | 04:51Z |
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
- 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)- 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
- 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)- 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
- 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
| Runway | Length | Your margin |
|---|---|---|
| 14L/32R | 3,709 ft | |
| 14R/32L | 10,007 ft |
Communication frequencies
Tower & ground · “Boeing”
| ATIS | 127.75 |
| Clearance | 132.4 |
| Ground | 121.9 |
| Tower | 118.3 (RWY 14L/32R) · 120.6 (RWY 14R/32L & ALL IFR) |
| UNICOM | 122.95 |
| Flight service | 122.5 |
Approach & departure · “Seattle”
| Approach | 125.9 | initial contact |
| App/Dep | 119.2 | 017-079 SEA, RWY 32 · KENT · NRVNA RNAV departures |
| App/Dep | 120.1 | 223-289 SEA, RWY 14 |
| App/Dep | 120.4 | 301-340 SEA. RWY 32 · CBAIN RNAV · NEEDLE departures |
| App/Dep | 125.9 | 080-125 SEA, RWY 32 |
| App/Dep | 126.5 | 126-222 SEA, RWY 32 |
| App/Dep | 128.5 | 302-016 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)
| Frequency | Used by |
|---|---|
| 119.2 | CLASS B (017-079 SEA, RWY 32) · CLASS B (028-160 SEA RWY 14) · KENT DP · NRVNA RNAV DP |
| 120.1 | CLASS B (223-289 SEA, RWY 14) · CLASS B (223-301 SEA, RWY 32) |
| 120.4 | CBAIN RNAV DP · NEEDLE DP |
| 123.9 | GLASR STAR |
| 125.6 | JAWBN STAR · OLYMPIA STAR |
| 125.9 | CLASS B (080-125 SEA RWY 32) · CLASS B (290-315 SEA RWY 14) |
| 126.5 | CLASS B (126-222 SEA, RWY 32) · CLASS B (161-222 SEA, RWY 14) |
| 128.5 | CLASS B (302-016 SEA, RWY 32) · CLASS B (316-027 SEA, RWY 14) |
| 257.8 | LCL/P |
| 269.125 | APCH/P DEP/P (301-340 SEA, RWY 32) · CBAIN RNAV DP · NEEDLE DP |
| 273.45 | JAWBN STAR · OLYMPIA STAR |
| 284.7 | APCH/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 |
| 290.9 | APCH/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) |
| 306.9 | APCH/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) |
| 338.2 | GLASR STAR |
| 377.15 | APCH/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
| Runway | ILS |
|---|---|
| RWY 14R | ILS/DME · CAT I · LOC 110.9 (BFI) · GS 3.00° |
| RWY 32L | ILS/DME · CAT I · LOC 110.9 (CHJ) · GS 3.10° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| SEA · Seattle | VORTAC | 116.80 | r345° / 5.5 NM |
| PAE · Paine | VOR-DME | 110.60 | r162° / 23.6 NM |
| TCM · Mcchord | VORTAC | 109.60 | r355° / 23.9 NM |
Airport diagram
Open PDF ↗Preview diagram
Procedures at a glance
⚠ Hot spots published at this airport — review the hot-spot chart before you taxi ↗Approaches7
Arrivals
Minimums & Hot Spots
VFR sectional
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
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.
Nearby airports
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.
Fly out of KBFI often?
Save KBFI 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.