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Teluk Sadeng East Lighthouse

Fl Green 4s🇮🇩IDOperational

Teluk Sadeng East Lighthouse is a 14-meter-tall cylindrical concrete and fiberglass tower. Its green light flashes once every 4 seconds, offering a geographic range of 11.6 nautical miles. The structure features a round fiberglass tower with a flared top, mounted on a square concrete platform supported by four concrete piles. This lighthouse is situated at the southeast corner of the Special Region of Yogyakarta, marking the end of the breakwater at Sadeng harbor. The site is open to the public, but the tower itself is closed.

Why it matters: This lighthouse marks the end of the breakwater at Sadeng harbor, guiding vessels into the port and preventing them from striking the structure.

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
14m
Geographic Range
11.6NM
Country
🇮🇩Indonesia
Region
Special Region of Yogyakarta
Sea Region
southeast corner of the Special Region, marking the end of the breakwater at Sadeng harbor
Latitude
-8.1920°
Longitude
110.7987°
Nearest Port
Semarang(78.5 km)
Admiralty No.
Q1263.5.
Tower Height
14m
Tower Shape
cylindrical
Tower Color
green
Material
concrete, fiberglass

Structure: round fiberglass tower with a flared top mounted on a square concrete platform supported by four concrete piles

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
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How do mariners identify Teluk Sadeng East Lighthouse at night?+
Teluk Sadeng East 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 Teluk Sadeng East Lighthouse guide vessels into?+
Teluk Sadeng East 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 Teluk Sadeng East Lighthouse still active and maintained?+
Yes, Teluk Sadeng East 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 Teluk Sadeng East Lighthouse?+
You can track vessels near Teluk Sadeng East 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.