KOEN
Mangdo (망도등대) in the middle, with the lights within 20 km, in their listed colours.
Mangdo (망도등대) — light characteristic, height, range
2 white flashes every 8 seconds
Count 8 seconds.Flash white, 2 times.Begin again.
- Characteristic
- Fl(2) W 8s 75m 8M
- Height
- 75 m
- Nominal range
- 8 nmi = 15 km
- Type
- Landfall / major light
- Position
- 33.9947°N, 126.3930°E · South Sea coast

Lights nearby
- Hoenggando (횡간도 문서 등대)One white flash every 10 seconds · 6.3 km
- Chujado (추자도 가막여 등표)2 white flashes every 5 seconds · 6.9 km
- Yecho Hang (예초항 방파제 등대)One green flash every 6 seconds · 7.2 km
- Bangseo (방서등대)One white flash every 6 seconds · 8.2 km
- Chuja Hang No 4 (추자항 4호 등부표)One red flash every 6 seconds · 8.3 km
- Chuja Sinyang Hang (추자 신양항등부표)One green flash every 5 seconds · 8.4 km
- Sinyang Hang (추자 신양항 동방파제 등대)One red flash every 4 seconds · 8.5 km
- Sinyang Hang (추자 신양항 남방파제 등대)One green flash every 4 seconds · 8.6 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