KOEN
Längden in the middle, with the lights within 20 km, in their listed colours.
Längden — light characteristic, height, range
3 white flashes every 15 seconds (colours listed: white, red, green)
Count 15 seconds.Flash white, 3 times.Begin again.
- Characteristic
- Fl (3) WRG 15s
- Height
- 17 m
- Nominal range
- 8 nmi = 15 km
- Type
- Merimajakka
- Position
- 59.7775°N, 23.2478°E

Lights nearby
- Långskärsklack ylempiOne long white flash every 6 seconds · 2.3 km
- Svartgrund alempiContinuous quick white flashes · 3.1 km
- Svartgrunden koillinenOne green flash every 3 seconds · 3.3 km
- Kupungar itäinen6 very quick white flashes + one long every 10 seconds · 4.0 km
- Storlandet eteläinen ylempiOne long white flash every 6 seconds · 4.2 km
- AbborrgrundetOne red flash every 3 seconds · 4.2 km
- Tvärminne Långskär alempiContinuous quick white flashes · 4.3 km
- Storlandet pohjoinen ylempiOne long white flash every 6 seconds · 4.5 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: Väylävirasto aids to navigation (Finnish Transport Infrastructure Agency) (opens in a new tab) · Checked