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Hagi Ai Shima Lighthouse

Fl (2) W 21s🇯🇵Yamaguchi, JPOperational

Location & Light Range

About Hagi Ai Shima Lighthouse

Hagi Ai Shima Lighthouse stands 56 meters above sea level. Its light characteristic consists of two white flashes, repeated every 6 seconds. This illumination has a geographic range of 12 nautical miles. The lighthouse is operational, providing a clear navigational signal.

Light & Optic

Characteristic Signature
Fl (2) W 21s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
21s
Raw Code
Fl.(2)W. period 6s
Focal Height
56m
Geographic Range
12NM

References & Identifiers

Admiralty No.
M7378
NGA No.
1632

Location

City
Yamaguchi
Country
🇯🇵JP
Latitude
34.5123°
Longitude
131.2797°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Hagi Ai Shima Lighthouse at night?+
Hagi Ai Shima displays the characteristic Fl (2) W 21s — 2 white flashes every 21 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 Hagi Ai Shima Lighthouse guide vessels into?+
Hagi Ai Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Hagi at 8 NM to the SE. Other ports served include Senzaki (8.3 NM SSW), Fukawa (9 NM SSW), Susa (16.9 NM ENE), Awano (17.9 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hagi Ai Shima Lighthouse still active and maintained?+
Yes, Hagi Ai 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 Hagi Ai Shima Lighthouse?+
Hagi Ai 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 Hagi Ai Shima Lighthouse?+
You can track vessels near Hagi Ai 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.