KOEN
Gaiko in the middle, with the lights within 20 km, in their listed colours.
Gaiko — light characteristic, height, range
2 red flashes every 7 seconds
Count 7 seconds.Flash red, 2 times.Begin again.
- Characteristic
- Fl(2) R 7s
- Height
- 21 m
- Nominal range
- 10 nmi = 19 km
- Type
- light minor
- Position
- 34.6283°N, 135.3896°E

Lights nearby
- 2 green flashes every 7 seconds · 643 m
- No.7 (No.7)2 green flashes every 6 seconds · 1.1 km
- No.2 (No.2)2 red flashes every 6 seconds · 1.1 km
- Morse U (··−) in white every 8 seconds · 2.1 km
- 大阪港大和川北防波堤灯台Green, 2 s on and 2 s off · 2.2 km
- No.7 (No.7)2 green flashes every 6 seconds · 2.2 km
- No.4 (No.4)One red flash every 3 seconds · 2.3 km
- No.3 (No.3)2 green flashes every 6 seconds · 2.3 km
Not for navigation. Use the country's official charts and Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: OpenStreetMap seamarks (OSM) (opens in a new tab) · Checked