THE DE F INI T IONS 107 Finally, note that the zone in team and match racing is “two lengths” (rules
C2.4, Match Racing Rules, and D1.1(a), Team Racing Rules), in radio sailing racing it is “four lengths” (rule E1.1, Radio Sailing Racing Rules), in kiteboard racing it is a distance of 30 meters (Appendix F, Changes to the Definitions) and in windsurfing fleet racing there is no zone (Appendix B, Changes to the Definitions).