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Ando Shima Lighthouse

Fl W 4s🇯🇵Okayama and Hiroshima, JPOperational

Location & Light Range

About Ando Shima Lighthouse

This lighthouse emits a white flash every 4 seconds. Its focal height reaches 18 meters above sea level. The structure provides a geographic range of 5 nautical miles. It is operational and located between Okayama and Hiroshima prefectures.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Fl.W. period 4s
Focal Height
18m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M5680.4
NGA No.
8988

Location

City
Okayama and Hiroshima
Country
🇯🇵JP
Latitude
34.2759°
Longitude
132.4050°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ando Shima Lighthouse at night?+
Ando Shima displays the characteristic Fl W 4s — 1 white flash every 4 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 Ando Shima Lighthouse guide vessels into?+
Ando Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Mitaka, Hiroshima at 0.8 NM to the S. Other ports served include Hiroshima (4.4 NM N), Itsukushima (4.4 NM WNW), Etajima (4.8 NM ESE), Chitose, Hiroshima (5.4 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ando Shima Lighthouse still active and maintained?+
Yes, Ando Shima 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 Ando Shima Lighthouse?+
Ando Shima 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 Ando Shima Lighthouse?+
You can track vessels near Ando Shima 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.