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Unoisi Hana Lighthouse

Fl (3) White 14s🇯🇵Bizen, JPOperational

Location & Light Range

About Unoisi Hana Lighthouse

Built in 1964, Unoisi Hana is a cylindrical concrete tower standing 8.5 meters tall and painted white. It is situated on a promontory at the southeastern edge of Kakui Shima, an island off the coast south of Bizen. The lighthouse emits a white flash every 14 seconds from a focal height of 24 meters. Its geographic range extends to 14.1 nautical miles. The nearest port is Hinase, located 3.5 kilometers away.

Why it matters: Unoisi Hana lighthouse is important for safe navigation around Kakui Shima, helping vessels identify the southeastern tip of the island and avoid grounding.

Light & Optic

Characteristic Signature
Fl (3) White 14s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
14s
Raw Code
Fl W 14s
Focal Height
24m
Geographic Range
14.1NM

Construction & History

Year Built
1964

References & Identifiers

Nearest Port
Hinase(3.5 km)
ARLHS No.
JPN-716

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete white tower

Location

City
Bizen
Country
🇯🇵Japan
Region
Okayama Prefecture
Sea Region
Located on a promontory at the southeastern tip of Kakui Shima, an island just off the coast south of Bizen.
Latitude
34.7035°
Longitude
134.3418°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Unoisi Hana Lighthouse at night?+
Unoisi Hana displays the characteristic Fl (3) White 14s — 3 white flashes every 14 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Unoisi Hana Lighthouse guide vessels into?+
Unoisi Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Akoh at 3.3 NM to the ENE. Other ports served include Hinase (3.7 NM WNW), Kugui (7.2 NM W), Katakami (7.5 NM WNW), Bizen (8 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Unoisi Hana Lighthouse still active and maintained?+
Yes, Unoisi Hana 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 Unoisi Hana Lighthouse?+
Unoisi Hana 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 Unoisi Hana Lighthouse?+
You can track vessels near Unoisi Hana 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.