Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer
Sembawang Air Base (WSAG) — Sembawang, Singapore
At a glance
- Tower
- 129.7
- Runways
- 04/22, 05/23
- Elevation
- 86 ft
Times in UTC. Reference only: verify with the AIP and NOTAMs.
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67%
Data Complete
35 of 52 points
Missing: Operations, Fuel, Contacts
Section Breakdown
Basic Info
7/7
Runways
4/4
Frequencies
3/4
Operations
0/2
Fuel
0/1
Contacts
0/2
Additional Info
2/10
Observed Activity
· Oct 27
5 aircraft observed within 6 NM · busiest hour 04:00Z
2026-10-142026-10-27
Distinct ADS-B aircraft seen within 6 NM below 10,000 ft AGL per UTC day · community-feed coverage varies · not official movement totals
Data last updated:
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See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify
Basic Airport Information
- ICAO: WSAG
- Name: Sembawang Air Base
- Type: medium_airport
- Category: Military
- Latitude: 1.42526
- Longitude: 103.813004
- Elevation: 86 ft
- Country: Singapore
- Municipality: Sembawang
- IATA Code: N/A
- FAA Code: N/A
- FIR: N/A
- Timezone: Asia/Singapore
- Distance from City: N/A km
- VFR: Yes
- IFR: No
Runways
Runway 04/22
- Designation: 04/22
- Dimensions: 1907x30m
- Surface: ASP
- PCN: N/A
- Lighting: Not lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Runway 05/23
- Designation: 05/23
- Dimensions: 1036x30m
- Surface: ASP
- PCN: N/A
- Lighting: Lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Frequencies
- Tower: 129.700 MHz
- Ground: 28.390 MHz
- Operations: N/A
- Traffic/Approach: N/A
- ATIS: 149.250 MHz
Operation Hours
Monday
N/A
Tuesday
N/A
Wednesday
N/A
Thursday
N/A
Friday
N/A
Saturday
N/A
Sunday
N/A
- Extra Hours On Request: Not recorded
- Remarks: N/A
Contacts
- AIS Tel: N/A
- ARO Tel: N/A
- MET Tel: N/A
- Admin Tel: N/A
- Health Tel: N/A
- Police Tel: N/A
- Authorities Tel: N/A
- Website: N/A
- Remarks: N/A
Slots / PPR
- Slot Required: Not recorded
- PPR Required: Not recorded
- PPR Contact: N/A
- Remarks: N/A
Immigration
- Port of Entry: Not recorded
- APIS Required: Not recorded
- GAR Required: Not recorded
- Remarks: N/A
Airport Services
No services listed for this airport yet.
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Singapore Permit Requirements
Medium
Landing: 3d
- Overflight Permit: No
- Landing Permit: Conditional
- Overflight Lead Time: N/A
- Landing Lead Time: Private non-revenue (Part 91 without AOC): no permit required. Charter/FOP: 28 calendar days minimum (non-negotiable under ANR-129). Changi slot: 72 hours minimum. Seletar: 7 calendar days to 1 day prior.
Private / GA Operations:
Private flights require CAAS notification. Seletar Airport (XSP) preferred for GA.
Active NOTAMs
A3198/26
caution
Aerodrome closed
AD CLSD DUE BASE FOREIGN OBJECT DEBRIS WALK.
2026-11-06 04:00 UTC
2026-11-06 05:00 UTC
A3211/26
caution
Aerodrome closed
AD WILL BE CLSD FOR PJE SET UP.
2026-11-05 23:00 UTC
2026-11-06 00:00 UTC
A3206/26
caution
Obstacle erected
ONE CRANE, HGT 590FT AMSL, 745FT AMSL DURING NON-FLYING HOURS,
ERECTED AT 012307N1034939E (BRG 164.2DEG, DIST 2.59NM FM WSAG ARP.
CRANE MARKED AND LGTD AT NGT.
2026-11-18 16:00 UTC
2027-01-31 15:59 UTC
+1 more active NOTAM
Relayed by the FAA NOTAM feed. Coverage outside the US can be incomplete: confirm with the national AIS before flight.
View all NOTAMs on Map
Nearby Airports
Airport History
No milestones recorded for Sembawang Air Base yet. Know when it opened, who built it or a notable event? Add it with a source.
Add a historical factFrequently Asked Questions
- What is the tower frequency at WSAG?
- The tower frequency at Sembawang Air Base is 129.7 MHz.
- Does WSAG require landing permits?
- It depends on the flight. Private flights require CAAS notification. Seletar Airport (XSP) preferred for GA. Permit details for Singapore
- Where is WSAG located?
- Sembawang Air Base (WSAG) is located in Sembawang, Singapore.
- How long is the runway at WSAG?
- The main runway at Sembawang Air Base (04/22) measures 1907x30m.