What is the purpose of a Hydrostatic Release Unit (HRU) fitted to a liferaft?

A. It is a pressure gauge that shows how full the gas cylinder is

B. It prevents the liferaft from being launched accidentally in port

C. It automatically releases the liferaft from its cradle (and can trigger inflation via the painter line) when the vessel sinks to a certain depth, even if no one has manually launched it

D. It inflates the liferaft automatically once it senses a person climbing aboard

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