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Ko Yao Lighthouse

Fl (3) W 15s🇲🇾Thailand, MYOperational

Location & Light Range

About Ko Yao Lighthouse

This white brick lighthouse in Thailand stands 81 meters tall with a focal height of 81 meters. The structure measures 26 units in length. Its white light provides a geographic range of 10 nautical miles.

Light & Optic

Characteristic Signature
Fl (3) W 15s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
15s
Raw Code
Fl
Focal Height
81m
Geographic Range
10NM

Location

City
Thailand
Country
🇲🇾MY
Latitude
6.4672°
Longitude
100.0709°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
81m
Tower Color
white
Material
brick

Structure: White brick tower; 26

References & Identifiers

Admiralty No.
F1194
NGA No.
22144
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Frequently Asked Questions

How do mariners identify Ko Yao Lighthouse at night?+
Ko Yao displays the characteristic Fl (3) W 15s — 3 white flashes every 15 seconds. 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.
Which ports and harbors does Ko Yao Lighthouse guide vessels into?+
Ko Yao Lighthouse assists vessels approaching 5 nearby ports. The closest is Satun at 9 NM to the N. Other ports served include Langkawi (17.8 NM WSW), Tanjung Lembung (20.4 NM WSW), Kuala Kedah (25.2 NM SSE), Alor Setar (25.2 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ko Yao Lighthouse still active and maintained?+
Yes, Ko Yao 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 Yao Lighthouse?+
Ko Yao 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 Yao Lighthouse?+
You can track vessels near Ko Yao 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.