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Sadeng Range Rear Lighthouse

Iso White 2s🇮🇩Songbanyu, IDOperational

Location & Light Range

About Sadeng Range Rear Lighthouse

The Sadeng Range Rear lighthouse, built in 2008, is a 15-meter-tall square skeletal tower constructed of steel. It features a gallery that has been enclosed with white metal panels. The structure stands 25 meters above sea level and emits an isophase white light on a 2-second cycle. This light has a geographic range of 14.3 nautical miles. The lighthouse is located near Songbanyu in Indonesia's Special Region of Yogyakarta. The site is open to visitors, though access to the tower itself is restricted.

Why it matters: This lighthouse functions as part of a range system, critical for guiding vessels through specific channels or harbor approaches by providing a clear visual cue for maintaining course.

Light & Optic

Characteristic Signature
Iso White 2s
Flash Type
Isophase
Light Color
White
Interval
2s
Raw Code
Iso W 2s
Focal Height
25m
Geographic Range
14.3NM

Construction & History

Year Built
2008

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
15m
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
Latitude
-8.1921°
Longitude
110.7987°

References & Identifiers

Nearest Port
Semarang(78.5 km)
Admiralty No.
Q1263.1
NGA No.
23821.62
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Frequently Asked Questions

How do mariners identify Sadeng Range Rear Lighthouse at night?+
Sadeng Range Rear displays the characteristic Iso White 2s. 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 Rear Lighthouse guide vessels into?+
Sadeng Range Rear Lighthouse assists vessels approaching 2 nearby ports. The closest is Jogja Inland Port at 30.3 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 Rear Lighthouse still active and maintained?+
Yes, Sadeng 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.
How can I track vessels near Sadeng Range Rear Lighthouse?+
You can track vessels near Sadeng 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.