Simple Simon wrote:

"Tim Roberts" wrote

Are you saying that in restricted visibility, you would change course
regardless of whether you had a visual confirmation of the other vessels
position?

Yes I would. The Rules require me to.

Good, that's what I like to see, Cap'n. Nice reasoned argument.
So, pray tell, which particular rules require this?

Would you care to say how, without knowing where the other vessel
is, you can ensure your action *will* result in the vessels involved
passing at a safe distance (rule 8d) and not result in another close
quarters situation, in this case with the same vessel (rule 8c)?

Note that rule 8e also requires you to slow down if necessary.

Rule 8 is in section I, by the way, so applies whether in sight
or not.

Would you also care to explain how, by altering course to avoid
a vessel of the position of which you are uncertain, you are not
violating rule 7c by making assumptions on the basis of scanty
information?