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Ōbae Hana Lighthouse

Iso W 6s🇯🇵Nagasaki Area, JPOperational

Location & Light Range

About Ōbae Hana Lighthouse

Ōbae Hana Lighthouse is a white and red cylindrical framework tower located on the northern tip of Ikitsuki Island in the Nagasaki Area. It stands at a focal height of 101 meters, guiding vessels with an isophase white light on a 6-second cycle. The tower features a red and white checkered diamond daymark. This structure is situated atop the Ōbae cliff, approximately 80 meters high. The lighthouse has a geographic range of 12 nautical miles.

Why it matters: This lighthouse is also known as Ōbae Lighthouse.

Light & Optic

Characteristic Signature
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Iso.W. period 6s
Focal Height
101m
Geographic Range
12NM

Location

City
Nagasaki Area
Country
🇯🇵JP
Latitude
33.4399°
Longitude
129.4306°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
cylindrical
Tower Color
white and red

Structure: Framework tower, red and white checkered diamond daymark

References & Identifiers

Admiralty No.
M5239.5
NGA No.
12012
Wikipedia
Read on Wikipedia →
Wikidata
Q70363164 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How do mariners identify Ōbae Hana Lighthouse at night?+
Ōbae Hana 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 Ōbae Hana Lighthouse guide vessels into?+
Ōbae Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Ikitsuki at 3.4 NM to the S. Other ports served include Hirado (7.5 NM ESE), Kawachi, Nagasaki (8 NM SSE), Tabira (8.7 NM ESE), Emukae (11.7 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ōbae Hana Lighthouse still active and maintained?+
Yes, Ōbae 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 Ōbae Hana Lighthouse?+
Ōbae 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 Ōbae Hana Lighthouse?+
You can track vessels near Ōbae 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.