KOEN
Nangdo (낭도등대) in the middle, with the lights within 20 km, in their listed colours.
Nangdo (낭도등대) — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 43m 9M
- Height
- 43 m
- Nominal range
- 9 nmi = 17 km
- Type
- Landfall / major light
- Position
- 34.3206°N, 127.0186°E · South Sea coast

Lights nearby
- Doryongnamdo (도룡남도등대)One white flash every 4 seconds · 2.2 km
- Seoseong Hang Breakwater (서성항 방파제 등대)2 red flashes every 6 seconds · 2.8 km
- Sodeogudo TSS No 17 (소덕우도 통항분리 17호 등부표)One long white flash every 10 seconds · 3.3 km
- Sodeogudo (소덕우도 통항분리 18호 등부표)One long white flash every 10 seconds · 3.6 km
- Dongbaek-ri (동백리 동방등표)One green flash every 5 seconds · 3.6 km
- Sodeogudo (소덕우도등대)One white flash every 6 seconds · 4.4 km
- Choyakdo (조약 생일 한광본 B호 등부표)4 yellow flashes every 8 seconds · 5.1 km
- Sodeogudo (소덕우도 통항분리 16호 등부표)One long white flash every 10 seconds · 5.2 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