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Tanjung Siamok Lighthouse

Q (2) W 5s🇮🇩Kalimantan (Borneo), IDOperational

Location & Light Range

About Tanjung Siamok Lighthouse

A white metal framework tower stands 49 meters tall at Tanjung Siamok. Its light source is positioned 20 meters above sea level. This light exhibits two quick white flashes in a 5-second cycle. The structure has a geographic range of 9 nautical miles.

Light & Optic

Characteristic Signature
Q (2) W 5s
Flash Type
Quick
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Q.(2)W. period 5s
Focal Height
20m
Geographic Range
9NM

Location

City
Kalimantan (Borneo)
Country
🇮🇩ID
Latitude
-3.4442°
Longitude
112.5633°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
49m
Tower Color
white
Material
metal

Structure: White metal framework tower; 49

References & Identifiers

Admiralty No.
Q1411.4
NGA No.
25036
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Frequently Asked Questions

How do mariners identify Tanjung Siamok Lighthouse at night?+
Tanjung Siamok displays the characteristic Q (2) W 5s — 2 white flashes every 5 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 Tanjung Siamok Lighthouse guide vessels into?+
Tanjung Siamok Lighthouse assists vessels approaching 1 nearby port. The closest is Bagendang at 42.7 NM to the N. Mariners should consult the relevant chart for full approach and pilotage information.
Is Tanjung Siamok Lighthouse still active and maintained?+
Yes, Tanjung Siamok 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 Tanjung Siamok Lighthouse?+
You can track vessels near Tanjung Siamok 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.