Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Teluk Penyu Second Range Front Lighthouse

Iso White 4s🇮🇩IDOperational

Location & Light Range

About Teluk Penyu Second Range Front Lighthouse

The Teluk Penyu Second Range Front lighthouse is a white, square tower standing 17 meters tall, mounted on a square pier supported by piles. Its focal plane is also at 17 meters. Located on the south side of the Kali Donan estuary in Indonesia, it marks an entrance range. The light emits an isophase white signal every 4 seconds, visible for a geographic range of 12.4 nautical miles. The site is open to visitors, though the tower itself is closed to the public. It is situated 1.6 kilometers from the nearest port, Cilacap.

Why it matters: This lighthouse provides an essential entrance range for vessels navigating the Kali Donan estuary, directly contributing to the safety of shipping traffic.

Light & Optic

Characteristic Signature
Iso White 4s
Flash Type
Isophase
Light Color
White
Interval
4s
Raw Code
Iso W 4s
Focal Height
17m
Geographic Range
12.4NM

Location

Country
🇮🇩Indonesia
Region
Central Java
Sea Region
Kali Donan estuary, Indonesia, marking an entrance range on the south side of the estuary.
Latitude
-7.7656°
Longitude
109.0283°

References & Identifiers

Nearest Port
Cilacap (Tjilatjap)(1.6 km)
Admiralty No.
Q1272
NGA No.
23836

Tower & Structure

Tower Height
17m
Tower Shape
square
Tower Color
white

Structure: square tower, mounted on a square pier supported by piles

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Teluk Penyu Second Range Front Lighthouse on the live nautical map

Plan voyages near Indonesia, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Teluk Penyu Second Range Front Lighthouse at night?+
Teluk Penyu Second Range Front displays the characteristic Iso 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 Teluk Penyu Second Range Front Lighthouse guide vessels into?+
Teluk Penyu Second Range Front Lighthouse assists vessels approaching 2 nearby ports. The closest is Cilacap (Tjilatjap) at 3.2 NM to the NW. Other ports served include Arun (38.7 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Teluk Penyu Second Range Front Lighthouse still active and maintained?+
Yes, Teluk Penyu Second 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 Teluk Penyu Second Range Front Lighthouse?+
You can track vessels near Teluk Penyu Second 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.