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Pulau Karang Lighthouse

Fl white 5s🇮🇩IDOperational

Location & Light Range

About Pulau Karang Lighthouse

Also known as: Pulau Karang (Reef Island)

Pulau Karang is an octagonal concrete lighthouse completed in 2021. Standing 30 meters tall, its white tower features blue trim and a lantern with a gallery. The focal height of its white light is 13 meters, providing a geographic range of 12 nautical miles. The light flashes once, indicating a simple white flash. It is located on a small, uninhabited island southwest of Barus, approximately 30 kilometers by boat from Sibolga, Sumatra. This structure guides vessels past a submerged reef surrounding the island.

Why it matters: This modern lighthouse is essential for mariners navigating busy shipping lanes off Sumatra's coast, specifically warning them of the reef hazard near Barus.

Light & Optic

Characteristic Signature
Fl white 5s
Flash Type
Flashing
Light Color
white
Interval
5s
Raw Code
Fl.W
Focal Height
13m
Geographic Range
12NM

Construction & History

Year Built
2021

References & Identifiers

Nearest Port
Sibolga, Sumatra(30.0 km)
Admiralty No.
F1265.5
NGA No.
23290

Tower & Structure

Tower Height
30m
Tower Shape
octagonal
Tower Color
white with blue trim
Material
concrete

Structure: octagonal concrete tower with lantern and gallery, painted white with blue trim

Location

Country
🇮🇩ID
Latitude
1.9709°
Longitude
98.3491°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Pulau Karang Lighthouse at night?+
Pulau Karang 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 Pulau Karang Lighthouse guide vessels into?+
Pulau Karang Lighthouse assists vessels approaching 1 nearby port. The closest is Sibolga, Sumatra at 29.8 NM to the ESE. Mariners should consult the relevant chart for full approach and pilotage information.
Is Pulau Karang Lighthouse still active and maintained?+
Yes, Pulau Karang 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 Pulau Karang Lighthouse?+
Pulau Karang 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 Pulau Karang Lighthouse?+
You can track vessels near Pulau Karang 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.