KOEN
Ytterholmen fyr in the middle, with the lights within 20 km, in their listed colours.
Ytterholmen fyr — light characteristic, height, range
White, dark once every 6 seconds (colours listed: white, red, green)
Keep the white light on.Every 6 seconds, go dark once.Begin again.
- Characteristic
- Oc WRG 6s
- Height
- 48 m
- Nominal range
- 9.4 nmi = 17 km
- Type
- Fyrstasjon
- Position
- 66.0133°N, 11.6873°E · Nordland

Lights nearby
- InnerholmenWhite, 3 s on and 3 s off (colours listed: white, red, green) · 5.3 km
- Ytre FlesanOne white flash every 5 seconds (colours listed: white, red, green) · 11 km
- StorflesanWhite, dark 2 times every 8 seconds (colours listed: white, red, green) · 12 km
- TvillingskjæretOne red flash every 5 seconds · 13 km
- SteinanOne white flash every 5 seconds (colours listed: white, red, green) · 14 km
- HeglaskjæretOne green flash every 3 seconds · 16 km
- Gåsværsundet, NOne red flash every 3 seconds · 16 km
- GåsværholmenContinuous quick red flashes · 16 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: Kystverket navigation aids (Norwegian Coastal Administration) (opens in a new tab) · Checked