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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 — Colreg_Operational” contains 221 questions across 4 collections.

Learning

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Exam

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Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

What significance shall light signal "3 flashes" have, if associated with the sound signal ?

One correct answer

  • I am operating astern propulsion.✓ Correct answer
  • I am manoeuvring astern propulsion.
  • I have my engines stopped.
Which vessel's way shall, so far as possible a vessel engaged in fishing, when underway, keep out of ?

One correct answer

  • Power-driven vessels at high speed.
  • Air-cushion vessels underway.
  • Vessels restricted in their ability to manoeuvre.✓ Correct answer
How shall the alternations of course and/or speed be made to avoid collision ?

One correct answer

  • Small alterations of course and/or speed not to deviate too much from vessel's course.
  • Large enough alterations of speed and small alterations of course, not to deviate too much from vessel's course.
  • If the circumstances admit, they shall be large enough to be readily apparent to anoter vessel observing visually or by radar.✓ Correct answer
A signal of intent must be sounded in international waters by _____________

One correct answer

  • a vessel meeting another head-on
  • a vessel overtaking another in a narrow channel✓ Correct answer
  • a vessel crossing the course of another
What vessels aground shall not be required to exhibit the lights and shapes of a vessel aground ?

One correct answer

  • Vessels of less than 7 metres in length.
  • Vessels of less than 15 metres in length.
  • Vessels of less than 12 metres in length.✓ Correct answer

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