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Colreg_SefEchMaritim

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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 — secm-EN-Semnale sonore — Colreg_SefEchMaritim” contains 19 questions across 1 collection.

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Sample questions and answers

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How shall a vessel navigate along a narrow channel or fairway ?

One correct answer

  • In the centre of the channel or fairway.
  • As near to the outer limit of the channel or fairway which lies on her starboard side as is safe and practicable.✓ Correct answer
  • The vessel shall keep as near to the outer limit of the channel or fairway as possible, to provide a proper look-out.
What additional signals shall a pilot vessel give, when engaged on pilotage duty, in conditions of restricted visibility in order to be identified ?

One correct answer

  • 5 short blasts on the whistle.
  • 4 short blasts on the whistle.✓ Correct answer
  • 3 short blasts on the whistle or siren.
Which signal may be considered a distress signal ?

One correct answer

  • A square flag having above or below it a ball or a similar object.✓ Correct answer
  • 3 black balls in a vertical line.
  • A red flag ( B ).
At what intervals is the "gun or other explosive signal" fired ?

One correct answer

  • At about one minute.✓ Correct answer
  • At about 5 minutes.
  • At about 15 minutes.
Is anchoring permitted in the traffic separation schemes ?

One correct answer

  • A vessel shall so far as practicable avoid anchoring in a traffic separation scheme or in areas near its terminations.✓ Correct answer
  • Anchoring is permitted, but the vessels shall make all signals provided in the COLREG rules.
  • Anchoring is prohibited in all circumstances.

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