Appliance location areas according to European standards 94/25/EC dated June 16th 1996 :

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Area I : Hull above waterline
Area IIa : Deck, coachroof, cockpit, transom
Area IIb : Area from the hull sides not belonging to the area I
Area III : Superstructure, deck and cockpit
Area IV : Cockpit sides, rear faces of superstructure, deck and cockpit​