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Ieura Kō Lighthouse

Fl (2) Green 6s🇯🇵Tonosho, JPOperational

Location & Light Range

About Ieura Kō Lighthouse

Ieura Kō Lighthouse is a maritime navigation aid located in Tonosho, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 12 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl (2) Green 6s. This means the light produces 2 flashes every 6 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light color is green, which may indicate a specific sector or warning zone.

Position: Ieura Kō Lighthouse is positioned at 34.4917°N, 134.0593°E, near Tonosho in JP.

Geographic context: Ieura Kō Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in JP: Other lighthouses in the region include Abashiri East Breakwater, Abashiri Island Breakwater North End, Abashiri North Breakwater, Abashiri South Breakwater East End, Abuka Kō. View all on the Lighthouses Directory.

Nearby Ports

Ieura

JPIER

0.2 NME

Naoshima

JPNAS

4.1 NMWSW

Yamada

JPYQD

4.1 NMNW

Uno

JPUNO

5.2 NMW

Futamado

JPFMD

5.4 NMW

Flash Characteristics

Characteristic Signature
Fl (2) Green 6s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
6s

Physical Specifications

Focal Height
12m
Light Range
Not available
Status
ACTIVE
City
Tonosho
Country
🇯🇵JP
Latitude
34.4917°
Longitude
134.0593°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ieura Kō Lighthouse at night?+
Ieura Kō displays the characteristic Fl (2) Green 6s — 2 green flashes 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. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Ieura Kō Lighthouse guide vessels into?+
Ieura Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Ieura at 0.2 NM to the E. Other ports served include Naoshima (4.1 NM WSW), Yamada (4.1 NM NW), Uno (5.2 NM W), Futamado (5.4 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ieura Kō Lighthouse still active and maintained?+
Yes, Ieura 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 Ieura Kō Lighthouse?+
Ieura 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 Ieura Kō Lighthouse?+
You can track vessels near Ieura 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.