For life rafts they're unparalleled.
They'll go over EVERYTHING they did to the raft with you... testing/anything that needed to be replaced/advice etc.
Making sure your GPS is good is fine but nothing replaces knowing how to use your compass, clock and a chart. Once in a while think OK if I lost my GPS how would I get back with poor visibility. his information may be only important once but ...........
Quote:
"If people concentrated on the really important things in life, there would be a shortage of fishing poles"