What is the purpose of the light and whistle fitted to a lifejacket?

A. The light only activates once the person is already on board a rescue craft

B. They are decorative and have no functional safety purpose

C. The light helps searchers locate a person in the water at night or in poor visibility, while the whistle allows the person to attract attention audibly — both significantly improve the chances of a person in the water being located during a search

D. The whistle is used to signal other crew that the lifejacket needs replacing

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