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Sungai Asahan Range Rear Lighthouse

Fl White 3s🇮🇩IDOperational

Location & Light Range

About Sungai Asahan Range Rear Lighthouse

This square white skeletal tower stands 16 meters tall on a platform supported by piles. Located within the Asahan River, it functions as the rear range light for the waterway. The structure's design is adapted to its environment on the river, likely in estuarial terrain. It emits a single white flash every 3 seconds, visible for a geographic range of 12.2 nautical miles. The site is open to visitors arriving by boat, but the tower itself is closed to the public.

Why it matters: This lighthouse guides vessels navigating the Asahan River, assisting ships traveling to and from the port of Kualatanjung by marking a safe channel.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
16m
Geographic Range
12.2NM

Location

Country
🇮🇩ID
Latitude
3.0150°
Longitude
99.8644°

References & Identifiers

Nearest Port
Kualatanjung(32.6 km)
Admiralty No.
F1379.51
NGA No.
22481.1

Tower & Structure

Tower Height
16m
Tower Shape
square
Tower Color
white

Structure: square white skeletal tower mounted on a platform supported by piles

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sungai Asahan Range Rear Lighthouse at night?+
Sungai Asahan Range Rear displays the characteristic Fl White 3s. 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 Sungai Asahan Range Rear Lighthouse guide vessels into?+
Sungai Asahan Range Rear Lighthouse assists vessels approaching 1 nearby port. The closest is Kualatanjung at 32.8 NM to the NW. Mariners should consult the relevant chart for full approach and pilotage information.
Is Sungai Asahan Range Rear Lighthouse still active and maintained?+
Yes, Sungai Asahan Range Rear 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 Sungai Asahan Range Rear Lighthouse?+
Sungai Asahan Range Rear 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 Sungai Asahan Range Rear Lighthouse?+
You can track vessels near Sungai Asahan Range Rear 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.