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Nezumi Lighthouse

Fl W 4s🇰🇷Tsushima, KROperational

Location & Light Range

About Nezumi Lighthouse

The Nezumi Lighthouse stands 14 meters tall. It emits an isophase white light, which cycles every 6 seconds. The light has a geographic range of 5 nautical miles.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Iso.W. period 6s
Focal Height
14m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M5073.4
NGA No.
12616

Location

City
Tsushima
Country
🇰🇷KR
Latitude
34.3175°
Longitude
129.3019°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nezumi Lighthouse at night?+
Nezumi 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 Nezumi Lighthouse guide vessels into?+
Nezumi Lighthouse assists vessels approaching 5 nearby ports. The closest is Takeshiki at 1.1 NM to the S. Other ports served include Hirugaura (1.3 NM WNW), Mizusaki (2.8 NM NW), Kusubo (3.1 NM ESE), Kechi (3.5 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nezumi Lighthouse still active and maintained?+
Yes, Nezumi 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 Nezumi Lighthouse?+
Nezumi 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 Nezumi Lighthouse?+
You can track vessels near Nezumi 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.