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Sadeng Range Front Lighthouse

L White 4s🇮🇩Songbanyu, IDOperational

Location & Light Range

About Sadeng Range Front Lighthouse

The Sadeng Range Front lighthouse, built in 2008, stands 12 meters tall with a focal height of 23 meters. It is a square skeletal tower constructed of steel, recently enclosed with white metal panels. Located west of the harbor at Sadeng, Indonesia, this light emits a single white flash every 4 seconds, visible for 13.8 nautical miles. The site is accessible to the public, though the tower itself is not open. This navigational aid operates in conjunction with a rear range light.

Why it matters: As part of a range light system, the Sadeng Range Front provides precise directional guidance for vessels entering the harbor, ensuring safe passage.

Light & Optic

Characteristic Signature
L White 4s
Flash Type
L
Light Color
White
Interval
4s
Raw Code
L W 4s
Focal Height
23m
Geographic Range
13.8NM

Construction & History

Year Built
2008

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
12m
Tower Shape
square
Tower Color
white
Material
steel

Structure: square skeletal tower with gallery recently enclosed with white metal panels

Location

City
Songbanyu
Country
🇮🇩Indonesia
Region
Special Region of Yogyakarta
Sea Region
west of the harbor at Sadeng, Indonesia
Latitude
-8.1900°
Longitude
110.7993°

References & Identifiers

Nearest Port
Semarang(78.4 km)
Admiralty No.
Q1263
NGA No.
23821.61
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Frequently Asked Questions

How do mariners identify Sadeng Range Front Lighthouse at night?+
Sadeng Range Front displays the characteristic L White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Sadeng Range Front Lighthouse guide vessels into?+
Sadeng Range Front Lighthouse assists vessels approaching 2 nearby ports. The closest is Jogja Inland Port at 30.2 NM to the NW. Other ports served include PACITAN (34.1 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sadeng Range Front Lighthouse still active and maintained?+
Yes, Sadeng Range Front 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 Sadeng Range Front Lighthouse?+
You can track vessels near Sadeng Range Front 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.