Reference only — not for real-world navigation.
WSAG
Sembawang Air Base · Sembawang
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
86 ft / 26 m
Transition Altitude
11,000 ft
Primary Channel
TWR 129.70 MHz (TWR)
Live Conversion
inHg
hPa
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Welcome to the technical flight briefing for Sembawang Air Base (WSAG), located in Sembawang, Singapore. 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 86 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
Sembawang Air Base
ICAO / IATA
WSAG / —
Municipality
Sembawang
Country
Region
SG-03 — North West
GPS Coordinates
Transition Altitude
11,000 ft
Elevation
86 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 04 / 22
UNLIT
Runway Length: 6,255 ft / 1,907 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 42.8° / 222.8°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 42.8° / 222.8°
RWY 04 (42.8°)
No ILS / Visual Only
RWY 22 (222.8°)
No ILS / Visual Only
Runway 05 / 23
LIGHTED
Runway Length: 3,400 ft / 1,036 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 47° / 227°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 47° / 227°
RWY 05 (47°)
No ILS / Visual Only
RWY 23 (227°)
No ILS / Visual Only
A/D SINGAPORE APP/DEP
120.30 MHz
ATIS ATIS
149.25 MHz
GND GND
28.39 MHz
TWR TWR
129.70 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026