Module 1 (ROR)


What would you use to determine a risk of collision?

Compass, radar and visual bearings (visual bearings being the most reliable)

Why we keep Radar on 12 miles?

(a) For early detection of targets.

What are the dangers with radar plotting?

Time is being wasted and could put your vessel into a collision course.

What 4 actions can you take to avoid a collision?

  • Early and bold alteration of course, as long as you do not put your vessel into another close quarter situation/risk of collision with another vessel
  • Slow your vessel down
  • Stop your vessel
  • Come astern with your vessel

If you’re unsure about what to do in a situation, what’s the best thing to do?

Slow your vessel down, best to stop your vessel altogether.

What side of the narrow channel would you keep?

The starboard side of the narrow channel as long as your vessel is in safe water.

Are you allowed to cross a narrow channel?

Yes, as long as you do not impede any vessel using the narrow channel.

How do you join a lane?

At the start of a lane or at a small an angle as possible to the lane.

 What vessels can use the traffic separation zone?

Fishing vessels, anchor for emergency repairs, crossing vessels, to avoid immediate danger, to lay submarine cables or to do repairs to buoys within the scheme.

What distance would you say is well past and clear?

At least 4 miles.

If you’re in any vessel and any vessel is overtaking you what would you do?

Stand-on with caution keeping your course and speed.

If you are in a fishing vessel, then you have to give way to 4 vessels, name them?

  • A fishing vessel on your starboard bow
  • A vessel not under command
  • A vessel restricted in her ability to maneuver
  • If the circumstances of the case admit, a vessel constrained by her draught.

What would you sound if you disagreed to be overtaken in a narrow channel?

You’d sound 5 or more short and rapid blasts on the ship’s whistle, you can also flash a light 5 or more times.

A vessel engaged in Pilotage duties, what is his identity signal?

He may sound 4 short and rapid blasts on the ship’s whistle.

May he sound the identity signal when vessels are in sight of one another?

No, this is only to be sounded in Restricted Visibility.

A Short Blast – How long does it last for?

1 Second

A Prolonged Blast – How long does it last for?

4-6 Seconds

A vessel at anchor (Over 100 metres), what is his fog signal?

A rapid ringing on the bell for 5 (forward) seconds, then A rapid ringing on the gong (aft) for 5 seconds at intervals not exceeding 1 minute

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