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Lighthouses at Night
KOEN

Tvistein — light characteristic, height, range

White, dark once every 4 seconds (colours listed: white, red, green)

Keep the white light on.Every 4 seconds, go dark once.Begin again.

Characteristic
Oc WRG 4s
Height
17 m
Nominal range
10.4 nmi = 19 km
Type
Fyrstasjon
Position
58.9381°N, 9.9363°E · Sørøst
Tvistein in the middle, with the lights within 20 km, in their listed colours.

Lights nearby

  • NevlunghavnWhite, dark 2 times every 8 seconds (colours listed: white, red, green) · 4.9 km
  • FinnebåenOne green flash every 3 seconds · 7.2 km
  • Rakkebåene3 quick white flashes every 10 seconds · 7.7 km
  • ÅmlirognaWhite, dark 2 times every 8 seconds (colours listed: white, red, green) · 8.2 km
  • StavernsoddenWhite, dark 3 times every 10 seconds (colours listed: white, red, green) · 8.6 km
  • VadholmenWhite, dark once every 6 seconds (colours listed: white, red, green) · 8.7 km
  • LammøybåenRed, 2 s on and 2 s off · 9.1 km
  • One white flash every 2 seconds · 9.1 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

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