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Tilamuta Reef Lighthouse

Fl Green 4s🇮🇩IDOperational

This green skeletal tower, standing 12 meters tall, is mounted on a square platform supported by piles. It is situated on Tilamuta Reef and emits a green flash every four seconds. The lighthouse, which has a focal height of 12 meters, offers a geographic range of 11 nautical miles. Its square structure is painted green. The site is open to visitors, but the tower itself is closed to the public. The nearest port is Anggrek, 33.9 kilometers away.

Why it matters: The lighthouse warns vessels of the hazardous reef situated on the eastern approach to the Tilamuta harbor entrance, ensuring safe passage for local shipping routes.

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
12m
Geographic Range
11NM
Country
🇮🇩ID
Latitude
0.5044°
Longitude
122.3576°
Nearest Port
Anggrek(33.9 km)
Admiralty No.
F2083.8.
Tower Height
12m
Tower Shape
square

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

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
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How do mariners identify Tilamuta Reef Lighthouse at night?+
Tilamuta Reef displays the characteristic Fl Green 4s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Tilamuta Reef Lighthouse guide vessels into?+
Tilamuta Reef Lighthouse assists vessels approaching 2 nearby ports. The closest is Anggrek at 34 NM to the NE. Other ports served include Gorontalo, Sulawesi (42.2 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tilamuta Reef Lighthouse still active and maintained?+
Yes, Tilamuta Reef 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 Tilamuta Reef Lighthouse?+
You can track vessels near Tilamuta Reef 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.