KOEN
Mado (마도등대) in the middle, with the lights within 20 km, in their listed colours.
Mado (마도등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 16m 11M
- Height
- 16 m
- Nominal range
- 11 nmi = 20 km
- Type
- Landfall / major light
- Position
- 34.7216°N, 126.0100°E · West Sea coast

Lights nearby
- Suchido (수치도 남단 등대)One white flash every 6 seconds · 843 m
- Jeongdo (정도등대)One white flash every 4 seconds · 2.9 km
- Biguem (비금등부표)One green flash every 4 seconds · 3.0 km
- Oemyeondo (외면도등대)2 white flashes every 6 seconds · 3.7 km
- Migido (미기도등대)One white flash every 4 seconds · 4.3 km
- Dochodo (도초도등대)One white flash every 6 seconds · 4.8 km
- Sangsuchido (상수치도등대)2 white flashes every 6 seconds · 5.0 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