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Ko Tangah Lighthouse

Fl White 6s🇹🇭THOperational

Location & Light Range

About Ko Tangah Lighthouse

This square skeletal tower, painted white, stands 20 meters tall. Its light emits a white flash every six seconds from a focal height of 86 meters, visible for a geographic range of 23.3 nautical miles. The lighthouse is located on the southern tip of an island within the passage separating Ko Adang and Ko Tarutao. This position is approximately 60 kilometers west of the mainland, guiding vessels through the Andaman Sea. The structure is situated within the Tarutao National Marine Park.

Why it matters: This lighthouse aids ships navigating the passage between Ko Adang and Ko Tarutao, defining the safe channel through these islands.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
86m
Geographic Range
23.3NM

Location

Country
🇹🇭TH
Latitude
6.5571°
Longitude
99.4447°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Shape
square
Tower Color
white

Structure: square skeletal tower painted white

References & Identifiers

Nearest Port
Langkawi(28.4 km)
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Frequently Asked Questions

How do mariners identify Ko Tangah Lighthouse at night?+
Ko Tangah displays the characteristic Fl White 6s. 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.
Which ports and harbors does Ko Tangah Lighthouse guide vessels into?+
Ko Tangah Lighthouse assists vessels approaching 4 nearby ports. The closest is Pakbara at 24.7 NM to the NE. Other ports served include Tanjung Lembung (26 NM SE), Langkawi (27 NM SE), Satun (37.3 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ko Tangah Lighthouse still active and maintained?+
Yes, Ko Tangah 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 Tangah Lighthouse?+
Ko Tangah 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 Tangah Lighthouse?+
You can track vessels near Ko Tangah 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.