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So Do Lighthouse

Fl W 20s🇰🇵North Korea, KPOperational

Location & Light Range

About So Do Lighthouse

This lighthouse features a round concrete tower painted white, standing 30 meters tall. Its light source is positioned 94 meters above sea level. The light emits a single white flash every 20 seconds. This beacon has a geographic range of 15 nautical miles, making it visible over a considerable distance at sea. The structure is made entirely of concrete.

Light & Optic

Characteristic Signature
Fl W 20s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
20s
Raw Code
Fl.W. period 20s
Focal Height
94m
Geographic Range
15NM

Location

City
North Korea
Country
🇰🇵KP
Latitude
38.5503°
Longitude
124.7640°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
30m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 30

References & Identifiers

Admiralty No.
M4116
NGA No.
18112
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Frequently Asked Questions

How do mariners identify So Do Lighthouse at night?+
So Do displays the characteristic Fl W 20s — 1 white flash 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 So Do Lighthouse guide vessels into?+
So Do Lighthouse assists vessels approaching 3 nearby ports. The closest is Nampo at 31.5 NM to the ENE. Other ports served include Yonggipo (36.1 NM S), Songnim (41.5 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is So Do Lighthouse still active and maintained?+
Yes, So Do 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 So Do Lighthouse?+
You can track vessels near So Do 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.