KOEN
Hwangdeokdo (황덕도등대) in the middle, with the lights within 20 km, in their listed colours.
Hwangdeokdo (황덕도등대) — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 91m 15M
- Height
- 91 m
- Nominal range
- 15 nmi = 28 km
- Type
- Landfall / major light
- Position
- 35.0111°N, 128.6207°E · South Sea coast

Lights nearby
- Gohyeon Hang Jungang No 3 (고현 항로 중앙 3호 등부표)Morse A (·−) in white every 8 seconds · 1.1 km
- Muran Hang (물안항 방파제 등대)One green flash every 5 seconds · 2.8 km
- Domaseo (도마서등부표)3 quick white flashes every 10 seconds · 3.2 km
- Heugam (흑암등표)2 white flashes every 5 seconds · 3.4 km
- Baegam (백암등표)One green flash every 5 seconds · 3.5 km
- Anjeong Hang (안정항 1호 등부표)One green flash every 4 seconds · 3.8 km
- Gohyeon Hang Jungang No 2 (고현 항로 중앙 2호 등부표)One long white flash every 10 seconds · 3.8 km
- Sobeombeokdo (소범벅도등표)9 quick white flashes every 15 seconds · 3.9 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