1.10 The gennaker boom (also referred to as a spinnaker pole)
1.10.1 The length of the gennaker boom shall not be more than 3.5 m.
1.10.2 When the aft end of the gennaker boom is located in front of the vertical passing through the leading edge of an unrotated mast, then the distance between the fixing point and the leading edge of the mast is considered to be part of the gennaker boom.
1.10.3 In contrast to ISAF rule 64.2, the gennaker boom may be fixed to the forward beam.
1.10.4 The gennaker boom shall be fixed and sit approximately on the longitudinal centerline of the boat.
