Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Songdo Lighthouse

Fl R 4s🇰🇷Southern Busan, KROperational

This South Korean lighthouse is identified as a black beacon with a yellow top and topmark. The tower itself is painted green. It measures 18 meters in height, with the focal plane situated 20 meters above sea level. The light emits a single red flash. This navigational aid offers a geographic range of 8 nautical miles.

Characteristic Signature
Fl R 4s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
4s
Raw Code
Fl
Focal Height
20m
Geographic Range
8NM
City
Southern Busan
Country
🇰🇷KR
Latitude
35.0436°
Longitude
128.9919°
Flag
Type
Name
Dist.
Tower Height
18m
Tower Color
green

Structure: S. CARDINAL (IALA B) Black beacon, yellow top, topmark; 46

Admiralty No.
M4354.7
NGA No.
16769
OpenStreetMap
View on OSM →
Live tracking · 50,000+ mariners

Find Songdo Lighthouse on the live nautical map

Plan voyages near KR, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App
How do mariners identify Songdo Lighthouse at night?+
Songdo displays the characteristic Fl R 4s — 1 red flash every 4 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Songdo Lighthouse guide vessels into?+
Songdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Gamcheon/Busan at 2.4 NM to the N. Other ports served include Busan (4.1 NM NNE), Busanjin-Gu (7 NM NNE), South Busan (8.1 NM ENE), Busan New Port (9.6 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Songdo Lighthouse still active and maintained?+
Yes, Songdo 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 Songdo Lighthouse?+
Songdo 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 Songdo Lighthouse?+
You can track vessels near Songdo 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.