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Ko Chi Lighthouse

Fl White 10s🇹🇭THOperational

Location & Light Range

About Ko Chi Lighthouse

Ko Chi is a skeletal metal tower, 15 meters in height and painted white. Its light is situated 115 meters above sea level and emits a white flash every 10 seconds. The tower's construction material is metal, and its design is skeletal. The light has a geographic range of 26.4 nautical miles. It is located on the northernmost islet of the Mu Koh Surin archipelago, approximately 52 kilometers from the nearest port of Ranong.

Why it matters: This light serves as a warning for the northernmost islet of the Mu Koh Surin archipelago, a national marine park. It is essential for vessels navigating this island chain.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
115m
Geographic Range
26.4NM

Location

Country
🇹🇭TH
Latitude
9.4772°
Longitude
97.9040°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
15m
Tower Shape
skeletal
Tower Color
white
Material
metal

Structure: skeletal tower, painted white

References & Identifiers

Nearest Port
Ranong(52.0 km)
Admiralty No.
F1164
NGA No.
22212
ARLHS No.
THA-016
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Frequently Asked Questions

How do mariners identify Ko Chi Lighthouse at night?+
Ko Chi displays the characteristic Fl White 10s. 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 Chi Lighthouse guide vessels into?+
Ko Chi Lighthouse assists vessels approaching 2 nearby ports. The closest is Ban Talat Takua Pa at 47.4 NM to the SE. Other ports served include Victoria Point (48.2 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ko Chi Lighthouse still active and maintained?+
Yes, Ko Chi 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 Ko Chi Lighthouse?+
You can track vessels near Ko Chi 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.