Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Bangkok Beacon G Lighthouse

Q yellow🇹🇭THOperational

Also known as: Bangkok Beacon G (Inbound Upper Range Front)

Bangkok Beacon G is a skeletal tower standing 24 meters tall, with its light positioned 25 meters above sea level. The tower is painted red and features a white vertical stripe, and it carries several rectangular daymark panels. It emits a single yellow flash every six seconds. This navigational aid is located on the west side of the lower Chao Phraya River, approximately 4.4 kilometers from the port of Bangkok. The structure serves as the front light for a range system, working in conjunction with a rear light to establish a precise line for vessels.

Why it matters: This beacon forms the front light of a critical inbound upper range for ships navigating the Chao Phraya River, ensuring safe passage to Bangkok's port.

Characteristic Signature
Q yellow
Flash Type
Quick
Light Color
yellow
Raw Code
Q.Y. 85
Focal Height
25m
Geographic Range
14.3NM
Country
🇹🇭TH
Latitude
13.5544°
Longitude
100.5723°
Flag
Type
Name
Dist.
Tower Height
24m
Tower Shape
skeletal
Tower Color
red with a white vertical stripe

Structure: skeletal tower carrying several rectangular daymark panels painted red with a white vertical stripe

Nearest Port
Bangkok(4.4 km)
Admiralty No.
F2945
NGA No.
20732
Live tracking · 50,000+ mariners

Find Bangkok Beacon G Lighthouse on the live nautical map

Plan voyages near TH, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App
How do mariners identify Bangkok Beacon G Lighthouse at night?+
Bangkok Beacon G displays the characteristic Q yellow. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The yellow color may indicate a specific sector or warning zone.
Which ports and harbors does Bangkok Beacon G Lighthouse guide vessels into?+
Bangkok Beacon G Lighthouse assists vessels approaching 5 nearby ports. The closest is Unithai Container Terminal at 1.9 NM to the NNE. Other ports served include Bangkok Modern Terminals/Bangkok (2.8 NM NNE), Nim Port (2.8 NM N), Samut Prakan (3.2 NM NNE), Bangkok (4 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Bangkok Beacon G Lighthouse still active and maintained?+
Yes, Bangkok Beacon G Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Bangkok Beacon G Lighthouse?+
You can track vessels near Bangkok Beacon G Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.