Domestic / medium · Pulau Pinang

RMAF Butterworth Air Base

WMKB BWH · Butterworth · Elevation 11 ft · 5.4659, 100.3910

⚠️ For learning only — not for real navigation. Frequencies and runways come from the OurAirports community database and may be out of date; always use AIP Malaysia and the current NOTAMs from CAAM. AIP Malaysia ↗

🛬 Runways

Runway	Length	Width	Surface	Heading	Lights
18/36	8,000 ft 2,438 m	150 ft	ASP	184°	💡

📻 Airband frequencies

ATIS ATIS	ATIS	23.010 MHz
GND Ground	GND	134.600 MHz
TWR Tower	TWR	118.300 MHz
APP Approach	APP	125.800 MHz
DEP Departure	DEP	128.500 MHz

🚨 Emergency frequencies (all aircraft)

121.500 MHz	International aeronautical emergency (VHF guard). Monitored by ATC and many aircraft; also emergency locator transmitter (ELT) homing.
243.000 MHz	Military aeronautical emergency (UHF guard).
123.100 MHz	Search and rescue on-scene frequency (aircraft working with SAR units).
406 MHz	Satellite distress beacons (ELT / EPIRB / PLB) detected by COSPAS-SARSAT.
123.450 MHz	Common air-to-air frequency for pilots over remote areas and oceans.
Squawk 7700	Transponder code: general emergency.
Squawk 7600	Transponder code: radio failure (lost communications).
Squawk 7500	Transponder code: unlawful interference (hijack).
MAYDAY ×3	Distress call — grave and imminent danger. "PAN PAN" ×3 is the urgency call.

🧭 Navaids and waypoints within 40 NM

BTR	Butterworth	TACAN	113.50 MHz	0 NM
VBT	Butterworth	VORTAC	113.30 MHz	1 NM
PNG	Penang	NDB	406 kHz	10 NM
VPG	Penang	VOR-DME	116.20 MHz	14 NM
PR	Parit Buntar	NDB	270 kHz	33 NM

📋 NOTAM WMKB

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