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Tanjung Sadeng Lighthouse

Fl White 5s🇮🇩IDOperational

Location & Light Range

About Tanjung Sadeng Lighthouse

This lighthouse is a 20-meter tall square tapered skeletal tower with a gallery, constructed from steel and painted white. It stands on the heights southwest of Sadeng harbor, with its light positioned 33 meters above sea level. The light emits a single white flash every 5 seconds, visible for 15.9 nautical miles. It is located in the Special Region of Yogyakarta, Indonesia, near the port of Semarang.

Why it matters: Its light aids vessels navigating the waters around Sadeng harbor, helping to ensure safe entry and exit.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
33m
Geographic Range
15.9NM

Location

Country
🇮🇩Indonesia
Region
Special Region of Yogyakarta
Sea Region
heights southwest of Sadeng harbor
Latitude
-8.1921°
Longitude
110.7959°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Shape
square
Tower Color
white
Material
steel

Structure: square tapered skeletal tower with gallery, painted white

References & Identifiers

Nearest Port
Semarang(78.5 km)
Admiralty No.
Q1263.9
NGA No.
23821.6
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Frequently Asked Questions

How do mariners identify Tanjung Sadeng Lighthouse at night?+
Tanjung Sadeng 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 Tanjung Sadeng Lighthouse guide vessels into?+
Tanjung Sadeng Lighthouse assists vessels approaching 2 nearby ports. The closest is Jogja Inland Port at 30.1 NM to the NW. Other ports served include PACITAN (34.3 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tanjung Sadeng Lighthouse still active and maintained?+
Yes, Tanjung Sadeng 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 Tanjung Sadeng Lighthouse?+
You can track vessels near Tanjung Sadeng 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.