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Sonjukdo Lighthouse

Fl W 15s🇰🇷Goheung Area, KROperational

Location & Light Range

About Sonjukdo Lighthouse

This lighthouse features a round concrete tower painted white, standing 33 meters in height. The light's focal plane is positioned 15 meters above sea level. It emits a single white flash every 15 seconds. The structure includes AIS, identified by MMSI number 994402923. Its geographic range is 9 nautical miles.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
15m
Geographic Range
9NM

Location

City
Goheung Area
Country
🇰🇷KR
Latitude
34.2955°
Longitude
127.3516°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
33m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 33. AIS (MMSI No 994402923)

References & Identifiers

Admiralty No.
M4300.4
NGA No.
17232
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Frequently Asked Questions

How do mariners identify Sonjukdo Lighthouse at night?+
Sonjukdo displays the characteristic Fl W 15s — 1 white flash every 15 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 Sonjukdo Lighthouse guide vessels into?+
Sonjukdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Narodo at 7.3 NM to the NW. Other ports served include Geomundo (16.9 NM S), Nokdongsin (17.1 NM NW), Shinma (26.2 NM WNW), Wando-gun (29.2 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sonjukdo Lighthouse still active and maintained?+
Yes, Sonjukdo 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 Sonjukdo Lighthouse?+
Sonjukdo 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 Sonjukdo Lighthouse?+
You can track vessels near Sonjukdo 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.