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Ko Losin Lighthouse

Fl White 5s🇹🇭THOperational

Location & Light Range

About Ko Losin Lighthouse

A square skeletal tower made of concrete, 10 meters high, is situated on a solitary rock about 90 kilometers east-northeast of Pattani. The light is located 12 meters above sea level and emits a white flash every 5 seconds (Fl W 5s), visible for 11 nautical miles. The structure has a concrete or masonry base and is painted in black and red bands. Access to the site is possible by boat, though climbing the tower is not permitted.

Why it matters: This structure marks the Ko Losin rock formation, serving as a navigation reference for vessels in the open sea east of Pattani.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
12m
Geographic Range
11NM

Location

Country
🇹🇭TH
Latitude
7.3318°
Longitude
101.9965°

References & Identifiers

Nearest Port
Pattani(51.6 km)
Admiralty No.
F2895
NGA No.
20876
ARLHS No.
THA-023

Tower & Structure

Tower Height
10m
Tower Shape
square
Tower Color
black and red
Material
concrete

Structure: square skeletal tower mounted on a concrete or masonry base

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ko Losin Lighthouse at night?+
Ko Losin displays the characteristic Fl White 5s. 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 white color may indicate a specific sector or warning zone.
Is Ko Losin Lighthouse still active and maintained?+
Yes, Ko Losin 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.
What shipping routes pass near Ko Losin Lighthouse?+
Ko Losin Lighthouse is located within the Strait of Malacca — the primary shipping route between the Indian and Pacific Oceans, carrying over 25% of global traded goods. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Ko Losin Lighthouse?+
You can track vessels near Ko Losin 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.