KOEN
Hajukdo (하죽도등대) in the middle, with the lights within 20 km, in their listed colours.
Hajukdo (하죽도등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 100m 11M
- Height
- 100 m
- Nominal range
- 11 nmi = 20 km
- Type
- Landfall / major light
- Position
- 34.7641°N, 125.4413°E · West Sea coast

Lights nearby
- Seungseo (승서등표)2 white flashes every 5 seconds · 3.8 km
- Hojangdo (호장도등대)One white flash every 10 seconds · 6.3 km
- Jongdariam (종다리암등표)Continuous quick white flashes · 6.8 km
- Heukseo (흑서등대)One white flash every 4 seconds · 7.0 km
- Gado (가도등대)2 white flashes every 6 seconds · 7.1 km
- Heuksando Hang (흑산도항 북방파제 등대)2 red flashes every 6 seconds · 7.6 km
- Munam Bridge (문암교 교량등)One green flash every 5 seconds · 7.6 km
- Munam Bridge (문암교 교량등)One red flash every 5 seconds · 7.6 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