KOEN
Daeduyeokseo (대두역서등대) in the middle, with the lights within 20 km, in their listed colours.
Daeduyeokseo (대두역서등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 34m 9M
- Height
- 34 m
- Nominal range
- 9 nmi = 17 km
- Type
- Landfall / major light
- Position
- 34.2431°N, 127.5356°E · South Sea coast

Lights nearby
- Sonjukdo Weather Tower (손죽도 동방 삼해 해상기상탑등)Morse U (··−) in white every 10 seconds · 9.0 km
- Munseo (문서등대)One white flash every 4 seconds · 12 km
- Tanggeonnyeo (탕건여등대)One white flash every 10 seconds · 14 km
- Sonjukdo (손죽도 계선 등부표)One white flash every 6 seconds · 17 km
- Sonjuk Hang (손죽항 시티 C호 등부표)4 yellow flashes every 8 seconds · 17 km
- Goheung KSPFA No K (고흥 김생산어민연합 K호 등부표)4 yellow flashes every 8 seconds · 17 km
- Sonjuk Hang (손죽항 시티 A호 등부표)4 yellow flashes every 8 seconds · 17 km
- Sonjuk Hang (손죽항 시티 B호 등부표)4 yellow flashes every 8 seconds · 17 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: KHOA light list (국립해양조사원 등대표) (opens in a new tab) · Checked