When approaching a hazard or narrow entrance in a tidal stream, why is judging the "set" (direction and rate of tidal flow) important, beyond just knowing the time of high or low water?

A. Tidal set only matters for vessels without an engine

B. A tidal stream can push a vessel sideways relative to its intended track even while the boat itself points straight at its destination — misjudging the set can carry a vessel off the safe course and into a hazard the skipper never intended to approach, which is why watching for signs of set (transits, drift relative to fixed marks) matters continuously, not just at the planning stage

C. Tidal set is only a consideration on ocean passages, never in coastal or harbour approaches

D. Once a course is plotted accounting for tide at the planning stage, no further monitoring is needed underway

A. Nothing — a test lift can proceed immediately after repairs

B. Testing should wait until cargo operations begin

C. The area within the grab's swing radius should be cleared of personnel before the lift

D. Only the crane operator needs to be aware the lift is happening

A. Who must remain clear of the exclusion zone while the lift takes place

B. The lunch schedule for the deck team

C. Only the weather forecast for the next watch

D. The cargo manifest for the next port