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Tsuyanagi Lighthouse

Fl R 4s🇰🇷Tsushima, KROperational

Location & Light Range

About Tsuyanagi Lighthouse

The Tsuyanagi Lighthouse is an operational aid to navigation. It displays a red light, with its focal plane situated 13 meters above sea level. The lighthouse is located in Tsushima.

Light & Optic

Characteristic Signature
Fl R 4s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
4s
Focal Height
13m

Nearby Vessels

Flag
Type
Name
Dist.

Location

City
Tsushima
Country
🇰🇷KR
Latitude
34.4868°
Longitude
129.2914°
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Frequently Asked Questions

How do mariners identify Tsuyanagi Lighthouse at night?+
Tsuyanagi displays the characteristic Fl R 4s — 1 red 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Tsuyanagi Lighthouse guide vessels into?+
Tsuyanagi Lighthouse assists vessels approaching 5 nearby ports. The closest is Shishimi at 2.1 NM to the NNE. Other ports served include Nita (3.8 NM NE), Mine (4.5 NM ESE), Sonoura (5.1 NM SE), Nii (6 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tsuyanagi Lighthouse still active and maintained?+
Yes, Tsuyanagi 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 Tsuyanagi Lighthouse?+
Tsuyanagi 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 Tsuyanagi Lighthouse?+
You can track vessels near Tsuyanagi 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.