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Collision avoidance · The nineteen rules
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RULES OF THE ROAD · COLLISION AVOIDANCE

Learn the method

One ship, one minute, six questions. Everything in this course is the same merchant crossing from your port side — the one from the opening — and each part asks something different about her.

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RULES OF THE ROAD · COLLISION AVOIDANCE · LAB 1

The vessel, all the way round

Above is what you would see from where you are standing. Below is where you are standing. Drag either one — they are the same fact, and this screen exists so that you stop needing to convert between them.

WHAT YOU SEE—
WHERE YOU AREdrag to walk round her
180 m
RULES OF THE ROAD · COLLISION AVOIDANCE · LAB 2

Is he going to hit me?

Point the compass at him. Write the number down. Wait two minutes and do it again. If the number does not change and he is getting closer, he is going to hit you — and that is the whole of it.

HAND BEARING COMPASS drag sideways to aim
YOUR NOTEBOOK
RULES OF THE ROAD · THE RULES

Nineteen rules, three bands

Nineteen rules in order. Open any one and you get four things: what it demands, one thing to do with it, what you get asked, and whether it is built yet. No paragraphs pretending to be lessons.

RULES OF THE ROAD · PRACTICE

One at a time, then faster

Identification first, because a rule applied to the wrong vessel is worse than no rule at all. The help comes off as you go.

E1 every rule 0 in a row
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RULES OF THE ROAD · EXAM-27-A

Sit the paper

Twelve questions across the rules, twenty minutes for the lot, and nothing said until you hand in. You will not know how you are doing while you do it, which is the only part of the real thing this can honestly reproduce.

One answer fails the paper on its own. If you say you are standing on when in fact you had to keep out of his way, the paper fails whatever else you scored. Not because it is worth more marks — because it is the belief that puts people in hospital, and you are being told now rather than afterwards.

Nine of twelve otherwise. The result comes back by rule, so you know which one to go back to.