KOEN
Gainseo (가인서등대) in the middle, with the lights within 20 km, in their listed colours.
Gainseo (가인서등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 24m 8M
- Height
- 24 m
- Nominal range
- 8 nmi = 15 km
- Type
- Landfall / major light
- Position
- 37.0029°N, 126.3159°E · West Sea coast

Lights nearby
- Daesan Hang (대산항 10호 등부표)2 red flashes every 6 seconds · 476 m
- Daesan Hang (대산항 12호 등부표)2 red flashes every 6 seconds · 578 m
- Daesan Hang (대산항 한화토탈 돌핀부두 A호 등대)4 yellow flashes every 8 seconds · 987 m
- Daesan Hang (대산항 한화토탈 돌핀부두 B호 등대)4 yellow flashes every 8 seconds · 1.7 km
- Daesan Hang (대산항 한화토탈 돌핀부두 C호 등대)4 yellow flashes every 8 seconds · 2.0 km
- Suinyeo (수인여등표)One red flash every 5 seconds · 2.5 km
- Daesan Hang (대산항 한화토탈 돌핀부두 D호 등대)4 yellow flashes every 8 seconds · 2.6 km
- Daesan Hang (대산항 8호 등부표)2 red flashes every 6 seconds · 2.7 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