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Colreg_Operational

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — op-EN-Reguli de guvernare — Colreg_Operational” contains 63 questions across 1 collection.

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Sample questions and answers

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What sound signals shall a vessel give when in sight of another and failing to understand the intentions of another, or when in doubt whether sufficient action is being taken by the other to avoid collision ?

One correct answer

  • At least 5 short and rapid blasts on the whistle.✓ Correct answer
  • One prolonged blast and 5 short blasts.
  • 2 prolonged blasts followed by short blasts.
What lights shall a vessel engaged in dredging or underwater operations exhibit, when restricted in her ability to manoeuvre and at anchor ?

One correct answer

  • The lights of a power-driven vessel at anchor.
  • A red light indicating the side on which an obstruction exists and the lights for a vessel at anchor.
  • Instead of the lights of a vessel at anchor, the lights of a vessel restricted in her ability to manoeuvre engaged in dredging operations.✓ Correct answer
At night, a power-driven vessel less than 7 meters in length, with a maximum speed which does not exceed 7 knots, may show when underway _____________,

One correct answer

  • sidelights combined in a single latern
  • an all-round flashing yellow light
  • one all-round white light✓ Correct answer
What does the term "short blast" mean ?

One correct answer

  • A blast of from 2 to 3 seconds' duration.
  • A blast of a short, less than 1 second's duration, produced by a power-driven vessel underway.
  • A blast of about 1 second's duration.✓ Correct answer
How shall 2 sailing vessels manoeuvre when they are approaching one another, so as to involve risk of collision and each has the wind on a different side ?

One correct answer

  • The vessel which has the wind on the port side shall keep out of the way of the other.✓ Correct answer
  • The vessel which has the wind on the starboard side shall keep out of the way of the other.
  • The vessel which has the wind from astern shall keep out of the way of the other.

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