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Hanesaki Lighthouse

Fl (2) W 20s🇯🇵Shikoku-South coast, JPInactive

Location & Light Range

About Hanesaki Lighthouse

Hanesaki is a square concrete tower standing 43 meters tall, located on Shikoku's south coast. The structure is painted white with distinct red bands encircling it. It displays two white flashes every 20 seconds from a focal height of 78 meters. The lighthouse also operates a RACON transmitting a signal on 3 and 10 cm frequencies.

Light & Optic

Characteristic Signature
Fl (2) W 20s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
20s
Raw Code
Fl.(2)W. period 20s
Focal Height
78m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Shikoku-South coast
Country
🇯🇵JP
Latitude
33.3728°
Longitude
134.0395°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
43m
Tower Shape
square
Tower Color
white and red
Material
concrete

Structure: White tower, red banded; 43. RACON O(– – –) 17 (3 & 10 cm)

References & Identifiers

Admiralty No.
M5591
NGA No.
10108
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Frequently Asked Questions

How far offshore can Hanesaki Lighthouse be seen?+
With a focal height of 78 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Hanesaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Hanesaki Lighthouse at night?+
Hanesaki displays the characteristic Fl (2) W 20s — 2 white flashes every 20 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 Hanesaki Lighthouse guide vessels into?+
Hanesaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Nahari at 3.2 NM to the NNW. Other ports served include Murotsu, Kochi (7.5 NM SE), Kannoura (16.7 NM NE), Asakawa (22.7 NM NE), Kochi (25.7 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hanesaki Lighthouse still active and maintained?+
Hanesaki Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Hanesaki Lighthouse?+
Hanesaki 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 Hanesaki Lighthouse?+
You can track vessels near Hanesaki 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.