Boulder Municipal Airport
BDU · KBDU · WBU · Boulder, CO · 5,288 ft elevation · var 12E · Non-towered
Airport information
- ICAO / IATA
- KBDU / WBU
- Coordinates
- 40.0391, -105.2260
- Elevation
- 5,288 ft MSL
- Magnetic variation
- 12E
- Sectional chart
- CHEYENNE
- Airport use
- Public
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER
- NOTAM facility
- DEN
- Attendance
- ALL 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1940/04
- Distance from city
- 3 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:59 AM | 10:59Z |
| Sunrise | 05:32 AM | 11:32Z |
| Sunset | 08:33 PM | 02:33Z |
| Evening civil twilight Loggable night begins | 09:06 PM | 03:06Z |
Plan a flight from KBDU
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT PAPI RWY 26; MIRL RWY 8/26 - CTAF. on 122.725 — Chart Supplement ↗
Runway lighting aids — 26: 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 08 · 078°
- Pattern
- left (turns left)
- TPA
- 6,300 ft MSL · 1,012 AGL
- CTAF
- 122.725
Enter the left downwind for Rwy 08 at 6,300 ft MSL · 1,012 AGL on a 45°.
Runway 08/26
4,100 ft × 75 ft · Asphalt (Excellent)- Heading
- 078° mag · 90° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 10 ft, 278 ft from threshold, 44 ft R of centerline — 7:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 200 ft
- Heading
- 258° mag · 270° true
- Markings
- basic
- VGSI
- 4-light PAPI (left) (3.5°)
- Traffic pattern
- Right
Runway 08G/26G
4,100 ft × 20 ft · ASPH-TURF (Fair)- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 56 ft, 806 ft from threshold, 153 ft L of centerline — 14:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- n/a
- Traffic pattern
- Right
| Runway | Length | Your margin |
|---|---|---|
| 08/26 | 4,100 ft | |
| 08G/26G | 4,100 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF/UNICOM: | 122.725 | Boulder traffic |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BJC · Jeffco | VOR-DME | 115.40 | r321° / 8.6 NM |
| DVV · Mile High | VORTAC | 114.70 | r277° / 29 NM |
| DEN · Denver | VOR-DME | 117.90 | r287° / 29.4 NM |
| BKF · Buckley | TACAN | 109.60 | r301° / 29.6 NM |
| FQF · Falcon | VORTAC | 116.30 | r296° / 34.9 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Glider, Instruction, Parachute ops, Rental, Aircraft sales, Towing
Ownership & management
Remarks FAA
- 25 - 55 FT TREES OUTLINE HAYDEN LAKE 200 FT FM RWY 08G THR; HAYDEN LAKE 250 FT FM RWY 8 & 8G THR.
- NOISE ABATEMENT PROC IN EFCT - AMGR OR HTTP:/WWW.BOULDERCOLORADO.GOV/AIRPORT.
- PAJA & WATER FOWL ON & INVOF ARPT.
- TPA: RWY 08/26 TPA 1012 FT AGL.
- SIMUL APCH & DEP FM RWY 8/26 & 8G/26G NA; PWRD ACFT YIELD TO GLIDERS ON FNA OR INITIATE GO-AROUND FOR ADEQUATE SPACING.
- MIDFIELD PAT ENTRY FM S GLIDER USE ONLY.
- FOR CD CTC DENVER APCH AT 303-342-1916.
- GLIDER ACT DLY SR-SS SE OF ARPT BTN ARPT & POWER PLANT FM 6300 - 9000 FT; RCMD AVOIDANCE & EXERCIZE EXTREME CTN WHEN TRANSITING AREA.
- SIMUL RWY OPS ON RWY 8/26 AND 8G/26G ARE PROHIBITED.
- ACTVT PAPI RWY 26; MIRL RWY 8/26 - CTAF.
- 100LL SELF SERVE AVBL H24.
- GLIDER OPS 60 FT PARL TO RWY.
- LNDG AREA UNDEFINED; GLIDER OPS ONLY; 197 FT SEPN CNTRLN TO CNTRLN.
- 3000 FT X 20 FT CHIP & SEAL W END; 1100 FT GRASS E END.
- DEP TURN BLW 512 FT NA. 40-60 FT TREES RESULT IN 27 DEG OBST CLNC SLOPE TO DTHR. RWY 08 CALM WIND RWY.
- DURG W WIND EXP SVR TURB. 300 FT SAFETY AREA OUTLINED WITH RED REFLECTORS; 130 FT DROPOFF E OF MKD AREA.
- RWY 08 10 FT TREE, DIST 277 FT, 14 FT R, APCH SLP 47:1 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 KBDU 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 KBDU
Boulder Municipal Airport (BDU · KBDU · WBU) is an airport in Boulder, CO, at 5,288 ft MSL. It has 2 runways, the longest 4,100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KBDU, refreshed from the Aviation Weather Center and FAA NASR.
Does KBDU have a control tower?
No. Boulder Municipal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at KBDU?
Boulder Municipal Airport has 2 runways; the longest is 4,100 ft. See the Runways tab for headings, surface, and lighting.
Where is KBDU?
Boulder Municipal Airport is in Boulder, CO, at an elevation of 5,288 ft MSL. Coordinates: 40.0391, -105.2260.
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