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Sembawang Airport

"HMS Simbang, "RAF Sembawang" & "Sembawang Airfield" redirects here.

Sembawang Air Base (SBAB)
Pangkalan Udara Sembawang
Sembawang Air Base Crest Badge
Airport type Military
Owner Ministry of Defence (Singapore)
Operator Republic of Singapore Air Force
Location Sembawang, Singapore
Elevation AMSL 26 m / 86 ft
Coordinates 01°25′31″N 103°48′46″E / 1.42528°N 103.81278°E / 1.42528; 103.81278
Direction Length Surface
m ft
04/22 1,907 6,255 Asphalt
05/23 1,036 3,400 Asphalt

Sembawang Air Base (ICAO: WSAG) is located in the north of Singapore, and is operated by the Republic of Singapore Air Force. The air base goes by the motto of "Dare and Will".

RAF Sembawang

Prior to Singapore's independence from United Kingdom, it was a Royal Air Force station known as RAF Sembawang as well as being the Royal Naval Air Station - HMS Simbang - to the carrier pilots of the Royal Navy Fleet Air Arm who used it for rest and refit whenever an aircraft carrier of the Royal Navy berthed at the nearby HMNB Singapore for refuel and repairs, which also housed the largest Royal Navy dockyard east of Suez up to the time of UK forces withdrawal from Singapore.

After the Japanese capture of Singapore during World War 2, the Imperial Japanese Navy Air Service took over the two RAF stations of RAF Sembawang and RAF Seletar. Singapore was split into north-south spheres of control, and the Imperial Japanese Army Air Force took over RAF Tengah.

Sembawang Air Base

The base was renamed Sembawang Air Base (SBAB) in 1971 when it was handed over to the Singapore Air Defence Command (SADC). And from 1971 to 1976, under the Five Power Defence Arrangements, Sembawang housed British, Australian and New Zealand forces. In 1983, the airbase became a full fledged rotary-wing air base when the first resident helicopter squadron - the 120 Squadron was permanently relocated from Changi Air Base.

Currently, there are approximately 100 helicopters based in Sembawang Air Base, almost all are operating in support of the Singapore Army and the Republic of Singapore Navy. It is the home base to all the Republic of Singapore Air Force's helicopter squadrons, consisting of AS-332 Super Pumas, CH-47SD Chinooks, Sikorsky S-70B (derivative of SH-60 Seahawk) naval helicopters , as well as the Fennecs and UH-1Hs, which are currently stored in reserve. Recently added to the base are the AH-64D Longbow Apache Attack Helicopters.

The Flying squadrons are:

  • 120 Squadron with 20 AH-64D Longbow Apaches;
  • 123 Squadron with 4 EC120 Colibri;
  • 124 Squadron with 20 AS 550C2/U2 Fennec;
  • 125 Squadron with 22 AS332M Super Puma, four of these are configured for Search and rescue duties;
  • 126 Squadron with 12 AS532UL/AL Cougar but is currently based at Oakey Airbase in support of SAF's training need in Australia;
  • 127 Squadron with 12 CH-47SD Chinooks.

The Support Squadrons are:

  • Air Logistics Squadron (ALS)
  • Airfield Maintenance Squadron (AMS)
  • Field Defence Squadron (FDS)
  • Flying Support Squadron (FSS)

Currently, the RSAF's Chong Pang Camp SADA (Singapore Air Defense Artillery), with its associated Air Defense assets, is also located within the compound of the air base as well as the famous local Sembawang Hot Spring.

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General Info
Country Singapore
Time UTC+8
Latitude 1.425264
01° 25' 30.95" N
Longitude 103.812806
103° 48' 46.10" E
Elevation 86 feet
26 meters
Type Military
Magnetic Variation 000° E (01/06)
Beacon Yes
Operating Agency MILITARY

TWR 129.7
GND 118.8
ATIS 149.25
Communications Remarks  
A/D maint first Thu 0000-0900Z (ASR I) and every fourth Sat 1601-2359 (ASR II)

ID Dimensions Surface PCN ILS
04/22 6255 x 100 feet
1907 x 30 meters
05/23 3400 x 100 feet
1036 x 30 meters

Type ID Name Channel Freq Distance From Field Bearing From Navaid
NDB AG SEMBAWANG - 325 At Field -

Fuel Aviation Gasoline (AVGAS), octane unknown.

CAUTION WIP. Proximity of Seletar and similarity in rwy alignment rqr extra vigilance when apch either arpt. Pilots should make full use of navaids and adhere strictly to ATC instr. Freq ints lgt acft and copter act. Aero modeling and glider flyingin CTLZ 0200-0700Z Sun and public hol; PJE 0030-0430Z Sun; no ATC or acft movements allowed dur these times. Animal and bird haz.
MISC ATC will be provided when copter opr in progress.
OPR HOURS Opr 2300-1100Z Mon-Fri; 2300-0500Z Sat-Sun.
RSTD PPR for non-sked acft; PPR hol. Acft are to avoid populated centers and Zoo, andnot opr blw 1500 ft. Rwy sfc for lgt and STOL acft only.
TFC PAT Rwy 23-rgt tfc.

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