Reference only — not for real-world navigation.
WMKB
RMAF Butterworth Air Base · Butterworth
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
11 ft / 3 m
Transition Altitude
11,000 ft
Primary Channel
TWR 118.30 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 8,000 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for RMAF Butterworth Air Base (WMKB), located in Butterworth, Malaysia. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 11 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 11,000 ft verified for this field for altimeter reset procedures.
Full Name
RMAF Butterworth Air Base
ICAO / IATA
WMKB / BWH
Municipality
Butterworth
Country
Region
MY-07 — Penang
GPS Coordinates
Transition Altitude
11,000 ft
Elevation
11 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
LIGHTED
Runway Length: 8,000 ft / 2,438 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 184° / 4°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 184° / 4°
RWY 18 (184°)
No ILS / Visual Only
RWY 36 (4°)
No ILS / Visual Only
APP APP
125.80 MHz
ATIS ATIS
23.01 MHz
DEP DEP
128.50 MHz
GND GND
134.60 MHz
TWR TWR
118.30 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026