KOEN
Heugildo (흑일도등대) in the middle, with the lights within 20 km, in their listed colours.
Heugildo (흑일도등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 14m 7M
- Height
- 14 m
- Nominal range
- 7 nmi = 13 km
- Type
- Landfall / major light
- Position
- 34.2751°N, 126.5406°E · South Sea coast

Lights nearby
- Hoenggansudo (횡간수도 통항분리 3호 등부표)Morse A (·−) in white every 8 seconds · 1.5 km
- Heugildo (흑일도 한광본 등부표)One yellow flash every 4 seconds · 2.2 km
- Hoenggansudo (횡간수도 통항분리 4호 등부표)Morse A (·−) in white every 8 seconds · 2.3 km
- Ttangkkut Hang (땅끝항 엠에스 C호 등부표)4 yellow flashes every 8 seconds · 2.8 km
- Ttangkkut Hang (땅끝항 엠에스 B호 등부표)4 yellow flashes every 8 seconds · 2.8 km
- Ttangkkut Hang (땅끝항 엠에스 방파제 등주)4 yellow flashes every 8 seconds · 2.8 km
- Ttangkkut Hang (땅끝항 엠에스 A호 등부표)4 yellow flashes every 8 seconds · 2.9 km
- Ttangkkut Hang (땅끝항 엠에스 E호 등부표)4 yellow flashes every 8 seconds · 2.9 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