Cab24 Akademie

Lights and day signals

Which lights vessels carry at night and in restricted visibility and which balls, flags and boards they show by day – from the masthead light of a motorboat and the green all-round light of priority vessels to fishermen's, divers' and distress signals.

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From the key facts

  • Masthead light white 225° (112° 30' each side), sidelights stbd green / port red 112° 30' each, sternlight white 135° (67° 30' each side) – BSV art. 18a
  • Motor vessel under way: masthead light + sidelights + sternlight; up to 6 kW (or pleasure boat ≤ 7 m and ≤ 7 kn, entered in the licence) a white all-round light is sufficient – art. 24

All key facts, the questions with explanations and the exam simulation are part of the course.

Legal references for this topic

The questions in this topic are based on these provisions:

  • BSV art. 2, 14a, 18, 18a, 18b, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 37, 38, 40, 42a, 43, 44, 45, 46, 48, 49, 50, 51, 58, 71, 76, 159; annex 2

Ready to learn?

Theory for the Swiss boat licence cat. A (motorboat) and cat. D (sailing boat): lights, sound signals, signs, right of way, seamanship – with one or two correct answers, as in the exam.

CHF 9.90 one-time Buy course