KOEN
Chido (치도등대) in the middle, with the lights within 20 km, in their listed colours.
Chido (치도등대) — light characteristic, height, range
2 white flashes every 6 seconds
Count 6 seconds.Flash white, 2 times.Begin again.
- Characteristic
- Fl(2) W 6s 28m 10M
- Height
- 28 m
- Nominal range
- 10 nmi = 19 km
- Type
- Landfall / major light
- Position
- 34.6706°N, 126.2101°E · West Sea coast

Lights nearby
- Siahae (시아해 22호 등부표)2 red flashes every 6 seconds · 2.4 km
- Daepotan (대포탄등표)3 quick white flashes every 10 seconds · 2.5 km
- Siahae (시아해 21호 등부표)2 green flashes every 6 seconds · 3.0 km
- Sihado (시하도 서방등부표)2 white flashes every 10 seconds · 3.0 km
- Hwawon (화원 안좌 한전 B호 등부표)4 yellow flashes every 8 seconds · 3.0 km
- Jangsan No D (장산자라 쌍용 D호 등부표)4 yellow flashes every 8 seconds · 3.6 km
- Jangsan No E (장산자라 쌍용 E호 등부표)4 yellow flashes every 8 seconds · 3.6 km
- Jangsan No F (장산자라 쌍용 F호 등부표)4 yellow flashes every 8 seconds · 3.8 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