PART 4 - OTHER REQUIREMENTS WHEN RACING
Part 4 rules apply only to boats racing, unless the rule states otherwise.
40 PERSONAL FLOTATION DEVICES
When flag Y is displayed with one
sound before or with the warning signal, competitors shall wear personal flotation
devices, except briefly while changing or adjusting clothing or personal equipment.
When flag Y is displayed ashore, this rule applies
at all times while afloat. Wet suits and dry suits are not personal flotation