KOEN
Jangjukdo (장죽도등대) in the middle, with the lights within 20 km, in their listed colours.
Jangjukdo (장죽도등대) — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 14m 9M
- Height
- 14 m
- Nominal range
- 9 nmi = 17 km
- Type
- Landfall / major light
- Position
- 34.3497°N, 126.1090°E · West Sea coast

Lights nearby
- Seomang Hang (서망항 북방파제 등대)One green flash every 6 seconds · 2.6 km
- Seomang Hang (서망항 남방파제 등대)One red flash every 6 seconds · 2.7 km
- Jindo Hang (진도항 방파제 등대)One red flash every 4 seconds · 3.6 km
- Hangando (한간도등대)2 white flashes every 6 seconds · 3.9 km
- Jangjuksudo (장죽수도 조류관측 등부표)5 yellow flashes every 20 seconds · 4.0 km
- Hajodo (하조도등대)One white flash every 10 seconds · 4.6 km
- Sajado (사자도 남방등표)6 quick white flashes + one long every 15 seconds · 4.8 km
- Heukseo (흑서등표)3 quick white flashes every 10 seconds · 5.4 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