KOEN
Bukhyeongjedo (북형제도등대) in the middle, with the lights within 20 km, in their listed colours.
Bukhyeongjedo (북형제도등대) — light characteristic, height, range
One white flash every 4 seconds
Count 4 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 4s 52m 7M
- Height
- 52 m
- Nominal range
- 7 nmi = 13 km
- Type
- Landfall / major light
- Position
- 34.9329°N, 128.9737°E · South Sea coast

Lights nearby
- Namuseom (나무섬등대)2 white flashes every 6 seconds · 5.4 km
- Namuseom (나무섬 동방등표)3 quick white flashes every 10 seconds · 5.7 km
- Namhyeongjedo (남형제도등표)2 white flashes every 5 seconds · 5.7 km
- Seodoo (서도 기상 등부표)One yellow flash every 5 seconds · 10 km
- Seodo (서도등대)One white flash every 6 seconds · 11 km
- Morundae (몰운대등표)2 white flashes every 5 seconds · 11 km
- Goraeseom (고래섬등대)One white flash every 5 seconds · 12 km
- Gamcheon Hang (감천항 유도 등부표)One long white flash every 10 seconds · 12 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