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Pulau Biawak Lighthouse

Fl W 15s🇮🇩Java and Madura, IDOperational

Location & Light Range

About Pulau Biawak Lighthouse

This white metal framework tower stands 164 meters tall, with its focal height at 54 meters. The lighthouse emits a single white flash every 15 seconds. It is fully operational and marks the coordinates 108.3777 East longitude and 5.932737 South latitude. The structure's geographic range extends to 20 nautical miles. It is part of the Java and Madura navigational listings.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
54m
Geographic Range
20NM

Location

City
Java and Madura
Country
🇮🇩ID
Latitude
-5.9327°
Longitude
108.3777°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
164m
Tower Color
white
Material
metal

Structure: White metal framework tower; 164. 23464 Permanent Export SBM 6° 16.0´ S 108° 28.0´ E

References & Identifiers

Admiralty No.
Q1084
NGA No.
23460
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Frequently Asked Questions

How do mariners identify Pulau Biawak Lighthouse at night?+
Pulau Biawak displays the characteristic Fl W 15s — 1 white flash 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 Pulau Biawak Lighthouse guide vessels into?+
Pulau Biawak Lighthouse assists vessels approaching 3 nearby ports. The closest is Balongan Terminal at 21.8 NM to the SSE. Other ports served include PATIMBAN (33.2 NM WSW), Arjuna, Java (39.6 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Pulau Biawak Lighthouse still active and maintained?+
Yes, Pulau Biawak 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 Pulau Biawak Lighthouse?+
You can track vessels near Pulau Biawak 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.