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Gosong Mangkut Lighthouse

Fl White 5s🇮🇩IDOperational

Location & Light Range

About Gosong Mangkut Lighthouse

This skeletal metal tower stands 14 meters tall, with its light positioned 15 meters above sea level. Painted black with a single red horizontal band, the structure is mounted on a platform supported by piles. It emits a white flash every 5 seconds, visible for nearly 12 nautical miles. The lighthouse is situated on a remote shoal southwest of Tanjung Sambar, marking the southwesternmost point of Kalimantan. Its isolated location suggests a primary purpose of marking a navigational hazard.

Why it matters: This light warns mariners about the Gosong Mangkut shoal, a significant underwater hazard in the shipping routes off southwestern Kalimantan.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
15m
Geographic Range
11.9NM

Location

Country
🇮🇩ID
Latitude
-3.1109°
Longitude
110.2481°

References & Identifiers

Nearest Port
Kumai(89.1 km)
Admiralty No.
Q1410.3
NGA No.
25049

Tower & Structure

Tower Height
14m
Tower Shape
skeletal
Tower Color
black with one red horizontal band
Material
metal

Structure: white skeletal tower, presumably on a platform supported by piles

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 Gosong Mangkut Lighthouse at night?+
Gosong Mangkut 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.
Which ports and harbors does Gosong Mangkut Lighthouse guide vessels into?+
Gosong Mangkut Lighthouse assists vessels approaching 1 nearby port. The closest is Kendawangan at 34.8 NM to the N. Mariners should consult the relevant chart for full approach and pilotage information.
Is Gosong Mangkut Lighthouse still active and maintained?+
Yes, Gosong Mangkut 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 Gosong Mangkut Lighthouse?+
You can track vessels near Gosong Mangkut 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.