KOEN
Kalbådagrund in the middle, with the lights within 20 km, in their listed colours.
Kalbådagrund — light characteristic, height, range
4 long white flashes every 30 seconds
Count 30 seconds.Flash white, long, 4 times.Begin again.
- Characteristic
- LFl (4) W 30s
- Height
- 27 m
- Nominal range
- 12 nmi = 22 km
- Type
- Merimajakka
- Position
- 59.9857°N, 25.5988°E

Lights nearby
- Sand6 very quick white flashes + one long every 10 seconds · 10 km
- Kölhällen poijuContinuous very quick white flashes · 12 km
- PorvooOne white flash every 2 seconds (colours listed: white, red, green) · 12 km
- Kölhällen3 quick white flashes every 10 seconds (colours listed: white, red, green) · 13 km
- Kölhällenin kiviContinuous very quick white flashes · 13 km
- Kalkskär eteläinenOne green flash every 3 seconds · 14 km
- Neste B3 very quick white flashes every 5 seconds · 14 km
- Kilpilahti5 very quick yellow flashes every 6 seconds · 14 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