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Biyangdo Lighthouse

Q W 5s🇰🇷Jeju (Cheju), KROperational

Location & Light Range

About Biyangdo Lighthouse

This red, round lighthouse stands 26 meters tall. Its white light emits a single red flash every 5 seconds. The focal height of the light is 15 meters above sea level. The structure is a standard round tower design. Its operational status is confirmed.

Why it matters: The lighthouse has a geographic range of 8 nautical miles.

Light & Optic

Characteristic Signature
Q W 5s
Flash Type
Quick
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.R. period 5s
Focal Height
15m
Geographic Range
8NM

Location

City
Jeju (Cheju)
Country
🇰🇷KR
Latitude
33.4456°
Longitude
126.2767°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
26m
Tower Shape
round
Tower Color
red

Structure: Red round tower; 26

References & Identifiers

Admiralty No.
M4263.7
NGA No.
17519
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Frequently Asked Questions

How do mariners identify Biyangdo Lighthouse at night?+
Biyangdo displays the characteristic Q W 5s — 1 white flash every 5 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 Biyangdo Lighthouse guide vessels into?+
Biyangdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Aewol at 2 NM to the E. Other ports served include Hallim (2.2 NM SW), HWASUN (12.8 NM SSE), Hwasun (13.1 NM SSE), Kwangyang (13.3 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Biyangdo Lighthouse still active and maintained?+
Yes, Biyangdo 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.
How can I track vessels near Biyangdo Lighthouse?+
You can track vessels near Biyangdo 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.