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Shimoutonohana Lighthouse

Fl (2) W 6s🇯🇵Kyushu-West Coast, JPOperational

Location & Light Range

About Shimoutonohana Lighthouse

Also known as: Shimoutonohana Lighthouse

The Shimoutonohana lighthouse stands 45 meters tall with a round concrete tower painted white. Its structure is a round mast, contributing to its 45-meter focal height. The light emits a single white flash. This aid has a geographic range of 7 nautical miles. It is situated on the Kyushu-West Coast.

Light & Optic

Characteristic Signature
Fl (2) W 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl
Focal Height
45m
Light Range
7NM (13.0 km)
Geographic Range
7NM

Location

City
Kyushu-West Coast
Country
🇯🇵JP
Latitude
32.5301°
Longitude
130.4603°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
45m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: Round mast; 13

References & Identifiers

Admiralty No.
M5141
NGA No.
11312
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Frequently Asked Questions

How far offshore can Shimoutonohana Lighthouse be seen?+
With a focal height of 45 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Shimoutonohana is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Shimoutonohana Lighthouse at night?+
Shimoutonohana displays the characteristic Fl (2) W 6s — 2 white flashes every 6 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.
Which ports and harbors does Shimoutonohana Lighthouse guide vessels into?+
Shimoutonohana Lighthouse assists vessels approaching 5 nearby ports. The closest is Amura at 0.6 NM to the SW. Other ports served include Yanagi (1.5 NM NW), Aizu, Kumamoto (4.2 NM N), Akasaki, Kumamoto (4.2 NM N), Fukuura, Kumamoto (4.2 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shimoutonohana Lighthouse still active and maintained?+
Yes, Shimoutonohana 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 Shimoutonohana Lighthouse?+
Shimoutonohana 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 Shimoutonohana Lighthouse?+
You can track vessels near Shimoutonohana 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.