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Chikuzen-ainoshima Lighthouse

Iso W 6s🇯🇵Kyushu-North Coast, JPOperational

Location & Light Range

About Chikuzen-ainoshima Lighthouse

Chikuzen-ainoshima lighthouse stands 87 meters tall, with its white tower reaching a focal height of 87 meters. It is an operational aid located on the Kyushu-North Coast. The light characteristic is an isophase white signal.

Light & Optic

Characteristic Signature
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Iso
Focal Height
87m
Light Range
5NM (9.3 km)
Geographic Range
5NM

Location

City
Kyushu-North Coast
Country
🇯🇵JP
Latitude
33.7611°
Longitude
130.3609°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
87m
Tower Color
white

References & Identifiers

Admiralty No.
M5284.4
NGA No.
12332
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Frequently Asked Questions

How far offshore can Chikuzen-ainoshima Lighthouse be seen?+
With a focal height of 87 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Chikuzen-ainoshima is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Chikuzen-ainoshima Lighthouse at night?+
Chikuzen-ainoshima displays the characteristic Iso W 6s — 1 white flash every 6 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 Chikuzen-ainoshima Lighthouse guide vessels into?+
Chikuzen-ainoshima Lighthouse assists vessels approaching 5 nearby ports. The closest is Hakata/Fukuoka at 8 NM to the S. Other ports served include Hakata (8.1 NM S), Koza (9.9 NM SSE), Kasuya (10.6 NM SE), Onojo (15 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Chikuzen-ainoshima Lighthouse still active and maintained?+
Yes, Chikuzen-ainoshima 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 Chikuzen-ainoshima Lighthouse?+
Chikuzen-ainoshima 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 Chikuzen-ainoshima Lighthouse?+
You can track vessels near Chikuzen-ainoshima 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.