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Mitsu Lighthouse

Fl W 15s🇰🇷Tsushima, KROperational

Location & Light Range

About Mitsu Lighthouse

The Mitsu Lighthouse is a metal framework tower with an octagonal design. Its structure stands 100 meters tall and is painted yellow with black bands. The tower's focal height reaches 23 meters above sea level. It emits a white flash every 15 seconds, visible for a geographic range of 14 nautical miles.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
23m
Geographic Range
14NM

Location

City
Tsushima
Country
🇰🇷KR
Latitude
34.7238°
Longitude
129.4491°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
100m
Tower Shape
octagonal
Tower Color
black and yellow
Material
metal

Structure: Yellow octagonal metal framework tower, black banded; 100

References & Identifiers

Admiralty No.
M5068
NGA No.
12484
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Frequently Asked Questions

How do mariners identify Mitsu Lighthouse at night?+
Mitsu displays the characteristic Fl W 15s — 1 white flash every 15 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 Mitsu Lighthouse guide vessels into?+
Mitsu Lighthouse assists vessels approaching 5 nearby ports. The closest is Oura/Uchinoura at 3 NM to the SSW. Other ports served include Izumi, Aichi (3.1 NM SSE), Izumi (3.1 NM SSE), Hitakatsu (4.3 NM SSE), Sasuna (5.7 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mitsu Lighthouse still active and maintained?+
Yes, Mitsu 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 Mitsu Lighthouse?+
Mitsu 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 Mitsu Lighthouse?+
You can track vessels near Mitsu 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.