Reference only — not for real-world navigation.
KBDU
Boulder Municipal Airport · Boulder
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
5,288 ft / 1,612 m
Transition Altitude
18,000 ft
Primary Channel
CTAF/UNICOM: 122.72 MHz (Boulder traffic)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Boulder Municipal Airport (KBDU), located in Boulder, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 5,288 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Boulder Municipal Airport
ICAO / IATA
KBDU / WBU
Municipality
Boulder
Country
Region
US-CO — Colorado
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
5,288 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 08 / 26
UNLIT
Runway Length: 4,100 ft / 1,250 m
Runway Width: 75 ft / 23 m
Surface Type: ASPH-G
Heading: —° / —°
Runway Width: 75 ft / 23 m
Surface Type: ASPH-G
Heading: —° / —°
RWY 08
No ILS / Visual Only
RWY 26
No ILS / Visual Only
Runway 08G / 26G
UNLIT
Runway Length: 4,100 ft / 1,250 m
Runway Width: 20 ft / 6 m
Surface Type: ASPH-TURF-F
Heading: —° / —°
Runway Width: 20 ft / 6 m
Surface Type: ASPH-TURF-F
Heading: —° / —°
RWY 08G
No ILS / Visual Only
RWY 26G
No ILS / Visual Only
CTAF/UNICOM: Boulder traffic
122.72 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026