KOEN
Susandan (수산단등대) in the middle, with the lights within 20 km, in their listed colours.
Susandan (수산단등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 73m 21M
- Height
- 73 m
- Nominal range
- 21 nmi = 39 km
- Type
- Landfall / major light
- Position
- 38.0826°N, 128.6744°E · East Sea coast

Lights nearby
- Susan Hang (수산항 남방파제 등대)One green flash every 4 seconds · 603 m
- Susan Hang (수산항 북방파제 등대)One red flash every 4 seconds · 645 m
- Susan Hang (수산항 북방파제 익제 등대)2 red flashes every 5 seconds · 717 m
- Naksan Beach (낙산 해수욕장 해양관측 등부표)5 yellow flashes every 20 seconds · 4.9 km
- Naksan Hang (낙산항 방파제 등대)One red flash every 5 seconds · 5.7 km
- Hujin Hang (후진항 방파제 등대)One red flash every 4 seconds · 7.0 km
- Gisamun (기사문등대)One white flash every 6 seconds · 8.6 km
- Mulchi Hang (물치항 방파제 등대)One red flash every 5 seconds · 9.6 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