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Ushibuka Kō Lighthouse

Fl (2) White 7s🇯🇵Amakusa, JPOperational

Location & Light Range

About Ushibuka Kō Lighthouse

Also known as: Ushibuka Kō (Nagateno)

This lighthouse, built in 1950, is situated on a wooded point marking the western entrance to Ushibuka harbor. The structure consists of an 11-meter cylindrical concrete post that rises from a semicircular, single-story concrete equipment room. It emits a white light with a single flash every seven seconds, visible for 23.3 nautical miles. This lighthouse is located near the port of Ushibuka, about 0.8 kilometers away. As of March 2022, the facility was undergoing restoration.

Why it matters: The lighthouse is indispensable for mariners approaching Ushibuka harbor, offering critical guidance. Its distinctive concrete post design serves as a recognizable landmark for vessels in the area.

Light & Optic

Characteristic Signature
Fl (2) White 7s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
7s
Raw Code
Fl W 7s
Focal Height
86m
Geographic Range
23.3NM

Construction & History

Year Built
1950

Significant events: Under restoration (March 2022)

References & Identifiers

Nearest Port
Ushibuka(0.8 km)
Admiralty No.
M5108
NGA No.
11356

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: A 11m concrete post rising from a semicircular 1-story concrete equipment room.

Location

City
Amakusa
Country
🇯🇵Japan
Region
Kumamoto Prefecture
Sea Region
Western entrance to Ushibuka harbor, on a woody point.
Latitude
32.1914°
Longitude
130.0194°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ushibuka Kō Lighthouse at night?+
Ushibuka Kō displays the characteristic Fl (2) White 7s — 2 white flashes every 7 seconds. 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 Ushibuka Kō Lighthouse guide vessels into?+
Ushibuka Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Ushibuka at 0.1 NM to the NNW. Other ports served include Oniki (2.9 NM N), Sasue (5.2 NM ESE), Fukami (5.4 NM NE), Sakitsu (7.3 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ushibuka Kō Lighthouse still active and maintained?+
Yes, Ushibuka Kō 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.
What shipping routes pass near Ushibuka Kō Lighthouse?+
Ushibuka Kō Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Ushibuka Kō Lighthouse?+
You can track vessels near Ushibuka Kō 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.