BACK TO DATABASE

WSAG

Sembawang Air Base · Sembawang

Key Facts

Technical summary and operational standards.

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)
Runway Summary
04/226,255 ftAsphaltUNLIT
05/233,400 ftAsphaltLIGHTED

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

TOD CALC
Plan Descent
CROSSWIND
Check Limits
VDP CALC
Visual Point
CONVERTER
QNH / Fuel
SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

Buy me a beer
Briefing for Sembawang Air Base (WSAG), Singapore. This facility features 2 active runways with an elevation of 86 ft. This field primarily supports visual approach procedures.Maintain a Transition Altitude of 11,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name
Sembawang Air Base
ICAO / IATA
WSAG / —
Municipality
Sembawang
Country
Region
SG-03
GPS Coordinates
Transition Altitude
11,000 ft
Official Website
Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 04 / 22
UNLIT
Length: 6,255 ft / 1,907 m
Surface: Asphalt
Heading: 42.8° / 222.8°
RWY 04
No ILS
RWY 22
No ILS
Runway 05 / 23
LIGHTED
Length: 3,400 ft / 1,036 m
Surface: Asphalt
Heading: 47° / 227°
RWY 05
No ILS
RWY 23
No ILS

Communication Frequencies

ATC and advisory channels.

A/D SINGAPORE APP/DEP
120.30 MHz
ATIS ATIS
149.25 MHz
GND GND
28.39 MHz
TWR TWR
129.70 MHz

Nearby Airports

Alternatives in the vicinity.

WSSL ILS
Seletar Airport
6 km
WSAT
Tengah Air Base
12 km
WSAP
Paya Lebar Air Base
13 km
WSSS ILS
Singapore Changi Airport
22 km
WSAC
Changi Air Base (East)
24 km

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified