KOEN
Jisiido (지시이도등대) in the middle, with the lights within 20 km, in their listed colours.
Jisiido (지시이도등대) — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 50m 9M
- Height
- 50 m
- Nominal range
- 9 nmi = 17 km
- Visible sector
- W 143°∼269°(126°)
- Type
- Landfall / major light
- Position
- 34.5304°N, 126.0159°E · West Sea coast

Lights nearby
- Sinuido (신의도 계선 등부표)One white flash every 6 seconds · 2.0 km
- Jisildo Weather Tower (지실도 서방 신안블루 기상탑등)Morse U (··−) in white every 10 seconds · 3.0 km
- Jisildo (지실도 서방 신안블루 기상탑 조사등)Steady yellow light · 3.0 km
- Manseo (만서등표)2 white flashes every 10 seconds · 3.2 km
- Neolbeunyeo (넓은여등표)One red flash every 6 seconds · 3.8 km
- Samdo Bridge (삼도 대교 교량등)Steady green light · 5.2 km
- Samdo Bridge (삼도 대교 교량등)Steady white light · 5.2 km
- Samdo Bridge (삼도 대교 교량등)Steady red light · 5.2 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