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Ujung Karang Lighthouse

Fl White 17s🇮🇩IDOperational

Location & Light Range

About Ujung Karang Lighthouse

Also known as: Ujung Karang (Gosong Ular)

The Ujung Karang lighthouse stands on a peninsula sheltering the western side of Sibolga Bay. Constructed as a 40-meter skeletal metal tower painted white, its focal plane is positioned at 41 meters. This navigational aid emits a white light with a characteristic of one flash every 17 seconds. The station also incorporates four single-story coast guard buildings. It is located 5.6 kilometers from the nearest port, Sibolga, on Sumatra.

Why it matters: This lighthouse guides maritime traffic entering and departing Sibolga Bay, warning vessels of the peninsula's natural hazards. The adjacent coast guard facilities highlight its significance for regional maritime security.

Light & Optic

Characteristic Signature
Fl White 17s
Flash Type
Flashing
Light Color
White
Interval
17s
Raw Code
Fl W 17s
Focal Height
41m
Geographic Range
17.2NM

Location

Country
🇮🇩ID
Latitude
1.7330°
Longitude
98.6924°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
40m
Tower Shape
skeletal
Tower Color
white
Material
metal

Structure: skeletal tower, painted white

References & Identifiers

Nearest Port
Sibolga, Sumatra(5.6 km)
Admiralty No.
F1263
NGA No.
23284
ARLHS No.
IDO-349
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Frequently Asked Questions

How do mariners identify Ujung Karang Lighthouse at night?+
Ujung Karang displays the characteristic Fl White 17s. 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 Ujung Karang Lighthouse guide vessels into?+
Ujung Karang Lighthouse assists vessels approaching 1 nearby port. The closest is Sibolga, Sumatra at 5.5 NM to the E. Mariners should consult the relevant chart for full approach and pilotage information.
Is Ujung Karang Lighthouse still active and maintained?+
Yes, Ujung 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 Ujung Karang Lighthouse?+
Ujung 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 Ujung Karang Lighthouse?+
You can track vessels near Ujung 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.