Judges are a type of race official used during in the running of sailing races run under the Racing Rules of Sailing

Racing Rules of Sailing

The Racing Rules of Sailing govern the conduct of yacht racing, windsurfing, kitesurfing, model boat racing, dinghy racing and virtually any other form of racing around a course with more than one vessel while powered by the wind...

. Their role is primarily linked to being on a protest committee which is a panel of judges. In sailing unlike many sports due to the practical considerations involved means on the water umpiring

International Umpire of Sailing

Umpires are a type of race official used during in the running of sailing races run under the Racing Rules of Sailing. Their role is primarily linked to making on the water decisions about rule infringements during match racing events or rule 42 calls during fleet racing...

 (refereeing) is not very common. In the event of competitors not being able to resolve issues afloat the a competitor or race committee may bring an issue infront of a protest committee for there consideration. The International Sailing Federation

International Sailing Federation

The International Sailing Federation is recognised by the International Olympic Committee as the world governing body for the sport of sailing....

 helps train its member national authorities many of who have a national judges program. The most experience become International Judges recognised by the International Sailing Federation

International Sailing Federation

The International Sailing Federation is recognised by the International Olympic Committee as the world governing body for the sport of sailing....

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External Link
Race Officials Microsite