KOEN
Suchido (수치도 남단 등대) in the middle, with the lights within 20 km, in their listed colours.
Suchido (수치도 남단 등대) — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 16.9m 8M
- Height
- 17 m
- Nominal range
- 8 nmi = 15 km
- Visible sector
- W 280°∼156°(236°)
- Type
- Landfall / major light
- Position
- 34.7237°N, 126.0189°E · West Sea coast

Lights nearby
- Mado (마도등대)One white flash every 5 seconds · 843 m
- Oemyeondo (외면도등대)2 white flashes every 6 seconds · 2.8 km
- Biguem (비금등부표)One green flash every 4 seconds · 3.3 km
- Jeongdo (정도등대)One white flash every 4 seconds · 3.4 km
- Migido (미기도등대)One white flash every 4 seconds · 4.5 km
- Sangsuchido (상수치도등대)2 white flashes every 6 seconds · 4.7 km
- Sangsachido (상사치도등표)One red flash every 5 seconds · 4.9 km
- Gasan (가산등대)One white flash every 5 seconds · 5.0 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