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Agenosho Kō Lighthouse

Fl R 5s🇯🇵Yamaguchi, JPOperational

Location & Light Range

About Agenosho Kō Lighthouse

This white tower stands 18 meters tall. Its focal plane is 11 meters above sea level. The lighthouse emits a single green flash every 3 seconds. It has a geographic range of 3 nautical miles. The structure is located in Yamaguchi.

Light & Optic

Characteristic Signature
Fl R 5s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
5s
Raw Code
Fl.G. period 3s
Focal Height
11m
Geographic Range
3NM

Location

City
Yamaguchi
Country
🇯🇵JP
Latitude
33.9008°
Longitude
132.2875°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
18m
Tower Color
white

Structure: White tower; 18

References & Identifiers

Admiralty No.
M5639.2
NGA No.
9210
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Frequently Asked Questions

How do mariners identify Agenosho Kō Lighthouse at night?+
Agenosho Kō displays the characteristic Fl R 5s — 1 red flash every 5 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Agenosho Kō Lighthouse guide vessels into?+
Agenosho Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Kuka at 3.4 NM to the NNW. Other ports served include Ihota (8 NM ENE), Hirao (8.2 NM WNW), Yanai (8.5 NM WNW), Tsuzu Yamaguchi (10 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Agenosho Kō Lighthouse still active and maintained?+
Yes, Agenosho 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 Agenosho Kō Lighthouse?+
Agenosho 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 Agenosho Kō Lighthouse?+
You can track vessels near Agenosho 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.