KOEN
Nata Ko in the middle, with the lights within 20 km, in their listed colours.
Nata Ko — light characteristic, height, range
One green flash every 3 seconds
Count 3 seconds.Flash green, once.Begin again.
- Characteristic
- Fl G 3s
- Height
- 11 m
- Nominal range
- 3 nmi = 6 km
- Type
- light major
- Position
- 33.6959°N, 130.4029°E

Lights nearby
- One red flash every 4 seconds · 97 m
- One green flash every 4 seconds · 111 m
- One red flash every 4 seconds · 153 m
- One white flash every 4 seconds · 3.2 km
- One green flash every 4 seconds · 3.2 km
- One red flash every 4 seconds · 3.3 km
- One red flash every 4 seconds · 3.4 km
- One green flash every 2 seconds · 4.4 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