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Ujung Karang Lighthouse

Fl (3) W 17s🇮🇩Northern Sumatra, IDOperational

Location & Light Range

About Ujung Karang Lighthouse

Ujung Karang Lighthouse is a maritime navigation aid located in Northern Sumatra, ID. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 41 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl (3) W 17s. This means the light produces 3 flashes every 17 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Ujung Karang Lighthouse is positioned at 1.7333°N, 98.7000°E, near Northern Sumatra in ID.

Geographic context: Ujung Karang Lighthouse is situated on the Strait of Malacca, within the Strait of Malacca — the primary shipping route between the Indian and Pacific Oceans, carrying over 25% of global traded goods. The location falls within the equatorial climate zone with warm waters year-round.

Nearby lighthouses in ID: Other lighthouses in the region include (Turubulu), Agampencara, Aik Habil North, Aik Habil South, Amagarapati (2 lights). View all on the Lighthouses Directory.

Nearby Ports

Sibolga, Sumatra

IDSLG

5.1 NME

Flash Characteristics

Characteristic Signature
Fl (3) W 17s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
17s

Physical Specifications

Focal Height
41m
Light Range
Not available
Status
ACTIVE
City
Northern Sumatra
Country
🇮🇩ID
Latitude
1.7333°
Longitude
98.7000°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ujung Karang Lighthouse at night?+
Ujung Karang displays the characteristic Fl (3) W 17s — 3 white flashes every 17 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 Ujung Karang Lighthouse guide vessels into?+
Ujung Karang Lighthouse assists vessels approaching 1 nearby port. The closest is Sibolga, Sumatra at 5.1 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.