KOEN
飛島灯台 in the middle, with the lights within 20 km, in their listed colours.
飛島灯台 — light characteristic, height, range
One white flash every 10 seconds
Count 10 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 10s
- Height
- 82 m
- Nominal range
- 20 nmi = 37 km
- Type
- light minor
- Position
- 39.2001°N, 139.5563°E

Lights nearby
- One green flash every 3 seconds · 1.8 km
- One red flash every 3 seconds · 1.8 km
- 飛島南灯台3 white flashes every 17 seconds · 2.0 km
- 2 yellow flashes every 6 seconds · 74 km
- 2 yellow flashes every 6 seconds · 74 km
- 2 yellow flashes every 6 seconds · 74 km
- 2 yellow flashes every 6 seconds · 74 km
- 2 yellow flashes every 6 seconds · 75 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