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Changdok Do Lighthouse

Fl W 5.5s🇰🇵North Korea, KPOperational

Location & Light Range

About Changdok Do Lighthouse

Changdok Do Lighthouse is a maritime navigation aid located in North Korea, KP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 25 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl W 5.5s. This means the light produces 1 flash every 5.5 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Changdok Do Lighthouse is positioned at 39.1749°N, 127.4417°E, near North Korea in KP.

Geographic context: Changdok Do Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the temperate maritime climate zone.

Nearby lighthouses in KP: Other lighthouses in the region include Ansong Gap, Apryong Dan, Chamae Do, Changadae Dan, Choncho Do. View all on the Lighthouses Directory.

Nearby Ports

Wonsan

KPWON

0.7 NMSSE

Hungnam

KPHGM

39.9 NMNNE

Flash Characteristics

Characteristic Signature
Fl W 5.5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5.5s

Physical Specifications

Focal Height
25m
Light Range
Not available
Status
ACTIVE
City
North Korea
Country
🇰🇵KP
Latitude
39.1749°
Longitude
127.4417°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Changdok Do Lighthouse at night?+
Changdok Do displays the characteristic Fl W 5.5s — 1 white flash every 5.5 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 Changdok Do Lighthouse guide vessels into?+
Changdok Do Lighthouse assists vessels approaching 2 nearby ports. The closest is Wonsan at 0.7 NM to the SSE. Other ports served include Hungnam (39.9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Changdok Do Lighthouse still active and maintained?+
Yes, Changdok 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.
What shipping routes pass near Changdok Do Lighthouse?+
Changdok Do 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 Changdok Do Lighthouse?+
You can track vessels near Changdok 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.