KOEN
Sindo (신도등대) in the middle, with the lights within 20 km, in their listed colours.
Sindo (신도등대) — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 49m 8M
- Height
- 49 m
- Nominal range
- 8 nmi = 15 km
- Type
- Landfall / major light
- Position
- 37.5078°N, 126.0446°E · West Sea coast

Lights nearby
- Mando-ri (만도리 A호 등부표)2 yellow flashes every 6 seconds · 7.5 km
- Mando-ri (만도리 D호 등부표)One yellow flash every 6 seconds · 13 km
- Seomando (서만도등부표)2 green flashes every 6 seconds · 14 km
- Dongmando (동만도등부표)2 red flashes every 6 seconds · 17 km
- Chochido (초치도등부표)2 yellow flashes every 3 seconds · 20 km
- Maldo (말도 해양기상관측 등부표)5 yellow flashes every 20 seconds · 21 km
- Manderiyeo (만데리여등표)3 quick white flashes every 10 seconds · 21 km
- Boreumdo (볼음도등표)One red flash every 4 seconds · 22 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