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Onsan Hang South Breakwater North Elbow Lighthouse

Fl G 6s🇰🇷Ulsan, KROperational

This active lighthouse is situated at the north elbow of the south breakwater for Onsan Harbor in Ulsan. The structure is a 17-meter tall, round cylindrical concrete tower. Its light, visible for 5 nautical miles, emits a single fixed red flash every 6 seconds. The focal height of the light is 22 meters.

Characteristic Signature
Fl G 6s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
6s
Raw Code
F.R.
Focal Height
22m
Geographic Range
5NM
City
Ulsan
Country
🇰🇷KR
Latitude
35.4489°
Longitude
129.3693°
Flag
Type
Name
Dist.
Tower Shape
cylindrical
Material
concrete
Admiralty No.
M4379.2
NGA No.
16708
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How do mariners identify Onsan Hang South Breakwater North Elbow Lighthouse at night?+
Onsan Hang South Breakwater North Elbow displays the characteristic Fl G 6s — 1 green flash every 6 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Onsan Hang South Breakwater North Elbow Lighthouse guide vessels into?+
Onsan Hang South Breakwater North Elbow Lighthouse assists vessels approaching 5 nearby ports. The closest is Onsan/Ulsan at 0.7 NM to the SSW. Other ports served include Ulsan (3.8 NM N), Mipo/Ulsan (5.1 NM NE), Busanjin-Gu (23.8 NM SW), South Busan (24.4 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Onsan Hang South Breakwater North Elbow Lighthouse still active and maintained?+
Yes, Onsan Hang South Breakwater North Elbow 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 Onsan Hang South Breakwater North Elbow Lighthouse?+
Onsan Hang South Breakwater North Elbow 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 Onsan Hang South Breakwater North Elbow Lighthouse?+
You can track vessels near Onsan Hang South Breakwater North Elbow 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.