RMAF Butterworth Air Base
Daylight today(Jul 16, 2026, local time)
About 12h 24m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About RMAF Butterworth Air Base

RMAF Butterworth is an active Air Force Station of the Royal Malaysian Air Force (RMAF) situated 4.5 nautical miles from Butterworth in Penang, Malaysia. It is currently home to the Headquarters Integrated Area Defence System (HQIADS), part of the Five Power Defence Arrangements (FPDA).
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
WMKBLive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 18 / 36 | 8,000 ft / 2,438 m | 150 ft | Asp | Lighted | Open |
Radio frequencies (5)
| Type | Description | Frequency |
|---|---|---|
| APP | APP | 125.800 MHz |
| ATIS | ATIS | 23.010 MHz |
| DEP | DEP | 128.500 MHz |
| GND | GND | 134.600 MHz |
| TWR | TWR | 118.300 MHz |
Navaids(2)
Airspace in this area(5)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| BUTTERWORTH TMA | Class C | TMA | 2500 ft MSL | FL245 |
| BUTTERWORTH CTR | Class C | CTR | GND | 5500 ft MSL |
| BUTTERWORTH CTR | Class C | CTR | GND | 5500 ft MSL |
| KUALA LUMPUR | Special use | FIR | GND | FL999 |
| KUALA LUMPUR | Special use | FIR | GND | FL999 |
Approximate bounding-box match from OpenAIP · all Malaysia airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| KOMTAR | 817 ft | 46 ft | — |
| Tower A | 627 ft | 16 ft | — |
| Obstacle | 423 ft | 95 ft | — |
| Tower B | 404 ft | 23 ft | — |
| MWE Plaza | 325 ft | 39 ft | — |
| Menara JKP | 308 ft | 36 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from RMAF Butterworth Air Base.
Frequently asked questions
What is the ICAO code for RMAF Butterworth Air Base?
The ICAO code for RMAF Butterworth Air Base is WMKB, and its IATA code is BWH.
Where is RMAF Butterworth Air Base located?
RMAF Butterworth Air Base is medium airport located in Butterworth, Malaysia, at an elevation of 11 ft (3 m).
How many runways does RMAF Butterworth Air Base have?
RMAF Butterworth Air Base has 1 runway, the longest being 8,000 ft / 2,438 m.
What time zone is RMAF Butterworth Air Base in?
RMAF Butterworth Air Base is in the Asia/Kuala Lumpur time zone (UTC+08:00).
What is the magnetic variation at RMAF Butterworth Air Base?
The magnetic variation (declination) at RMAF Butterworth Air Base is approximately 0.2° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near RMAF Butterworth Air Base?
The nearest airport to RMAF Butterworth Air Base is Penang International Airport (PEN), about 12.3 nm to the sw, followed by Pengkalan Hulu Airport and Taiping (Tekah) Airport.
Is the information on this page suitable for flight planning?
No. RMAF Butterworth Air Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.