As skipper, you're briefing new crew joining a longliner fitted with a side shell door. What's the most important thing to convey about internal door discipline?

A. That it's a rule to follow without needing to understand why

B. Why the rule exists — that an open internal door turns a single compartment's flooding into flooding through the whole vessel — so crew understand what they're actually protecting against, not just that a door should be shut

C. That the rule only applies in heavy weather

D. That internal doors are the engineer's responsibility, not deck crew's

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

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

C. Testing should wait until cargo operations begin

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

A. Only the weather forecast for the next watch

B. The lunch schedule for the deck team

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

D. The cargo manifest for the next port