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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-Lumini si semne — Colreg_Operational” contains 56 questions across 1 collection.

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Sample questions and answers

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On open water two vessels are in an overtaking.The overtaking vessel has just sounded one short blast on the whistle. What is the meaning of this whistle signal?

One correct answer

  • "I request permission to pass you on my port side".
  • "I will maintain course and speed and pass you an your starboard side."
  • "I am changing course to starboard."✓ Correct answer
What does the term ' masthead light' mean ?

One correct answer

  • Any white light placed on the mast of a vessel at a height prescribed by the register standards.
  • Any white all round light.
  • Any white light placed over the fore and aft centreline of the vessel showing an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on either side of the vessel.✓ Correct answer
How shall a vessel navigate in areas near the terminations of traffic separation schemes?

One correct answer

  • The vessel shall navigate in the general direction of traffic flow.
  • The intentions of altering course will be communicated by sound and visual signals.
  • The vessel shall do so with particular caution.✓ Correct answer
What additional sound signal shall a vessel at anchor give, in conditions of restricted visibility to give warning of her position and of the possibility of collision to an approaching vessel ?

One correct answer

  • Signal on the whistle : one short blast followed by one prolonged blast and then one short blast.✓ Correct answer
  • Signal on the whistle : 5 short warning blasts.
  • Signal on the whistle and/or by fog horn : one prolonged blast followed by rapid short blasts.
What lights shall a sailing vessel underway exhibit, when her length is less than 7 metres ?

One correct answer

  • She shall have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision.✓ Correct answer
  • Sidelights.
  • A white light at the masthead.

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