Question 1

In sight of one another in open water, you alter your course to starboard. Under Rule 34 (Manoeuvring and Warning Signals), what sound signal should accompany this manoeuvre?

Accepted Answer

One short blast Rule 34(a) assigns one short blast to 'I am altering my course to starboard', two short blasts to 'I am altering my course to port', and three short blasts to 'I am operating astern propulsion'. These are manoeuvring signals for vessels in sight of one another, distinct from the sound signals in restricted visibility under Rule 35.

Question 2

Rule 5 (Look-out) requires every vessel at all times to maintain a proper look-out by sight and hearing, as well as by all available means appropriate in the prevailing circumstances and conditions — and this duty applies even when the vessel is at anchor in a busy anchorage.

Accepted Answer

True True. Rule 5 applies 'at all times' and to 'every vessel'. A vessel at anchor in a busy anchorage still needs an effective look-out to detect drifting vessels, dragging anchors, or approaching traffic that may pose a risk of collision or contact.

Question 3

Under Rule 6 (Safe Speed), a vessel fitted with a fully operational radar and ARPA never needs to reduce speed in restricted visibility, because the equipment guarantees early detection of other vessels.

Accepted Answer

False False. Rule 6 explicitly lists radar capability as one factor to consider, but also requires accounting for the state of visibility, traffic density, manoeuvrability, and the limitations of radar (range scale, sea/rain clutter, blind sectors). Even a vessel with excellent radar must proceed at a speed that allows proper and effective action to avoid collision and to be stopped within a distance appropriate to the prevailing circumstances.