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Aomori Kō Lighthouse

Fl G 3s🇯🇵Northern Honshū, JPOperational

Location & Light Range

About Aomori Kō Lighthouse

This lighthouse stands on Northern Honshū. Its focal height reaches 13 meters above sea level. The light displays three green flashes every 12 seconds. This signal provides a geographic range of 5 nautical miles.

Light & Optic

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Raw Code
Fl.(3)G. period 12s
Focal Height
13m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M6647.5
NGA No.
3734

Location

City
Northern Honshū
Country
🇯🇵JP
Latitude
40.8370°
Longitude
140.7430°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Aomori Kō Lighthouse at night?+
Aomori Kō displays the characteristic Fl G 3s — 1 green flash every 3 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Aomori Kō Lighthouse guide vessels into?+
Aomori Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Aomori at 0.5 NM to the NW. Other ports served include Taki (13.2 NM NE), Noheji (17.5 NM E), Wakinosawa (18.9 NM NNE), Tairadate (19.1 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Aomori Kō Lighthouse still active and maintained?+
Yes, Aomori Kō 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 Aomori Kō Lighthouse?+
Aomori Kō 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 Aomori Kō Lighthouse?+
You can track vessels near Aomori Kō 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.