KOEN
Daini Kaiho in the middle, with the lights within 20 km, in their listed colours.
Daini Kaiho — light characteristic, height, range
One white flash every 5 seconds (colours listed: white, red)
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl WR 5s
- Height
- 19 m
- Nominal range
- 13 nmi = 24 km
- Type
- light minor
- Position
- 35.3117°N, 139.7413°E

Lights nearby
- Uraga Suido (Uraga Suido)White, 2 s on and 2 s off · 3.2 km
- One red flash every 3 seconds · 5.3 km
- Yokosuka Ko Hashirimizu (Yokosuka Ko Hashirimizu)One green flash every 3 seconds · 5.4 km
- 2 red flashes every 6 seconds · 5.7 km
- One red flash every 3 seconds · 6.1 km
- Kannonzaki Lighthouse (観音埼灯台)2 white flashes every 15 seconds · 6.2 km
- One green flash every 3 seconds · 6.4 km
- Yokosuka Ko (Yokosuka Ko)Red, 2 s on and 2 s off · 6.4 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