Part 4
OTHER REQUIREMENTS WHEN RACING
part of their torsos outside them, except briefly to perform a necessary task. On boats equipped with upper and lower lifelines, a competitor sitting on the deck facing outboard with his waist inside the lower lifeline may have the upper part of his body outside the upper lifeline. If the class rules do not specify the material or minimum diameter of lifelines, they shall comply with the corresponding specifications in the ISAF Offshore Special Regulations. Note: The ISAF Offshore Special Regulations are available at the ISAF website. 50 50.1 SETTING AND SHEETING SAILS Changing Sails When headsails or spinnakers are being changed, a replacing sail may be fully set and trimmed before the replaced sail is lowered. However, only one mainsail and, except when changing, only one spinnaker shall be carried set at a time. 50.2 Spinnaker Poles; Whisker Poles Only one spinnaker pole or whisker pole shall be used at a time except when gybing. When in use, it shall be attached to the foremost mast. 50.3 Use of Outriggers (a) No sail shall be sheeted over or through an outrigger, except as permitted in rule 50.3(b) or 50.3(c). An outrigger is any fitting or other device so placed that it could exert outward pressure on a sheet or sail at a point from which, with the boat upright, a vertical line would fall outside the hull or deck. For the purpose of this rule, bulwarks, rails and rubbing strakes are not part of the hull or deck and the following are not outriggers: a bowsprit used to secure the tack of a sail, a bumkin used to sheet the boom of a sail, or a boom of a boomed headsail that requires no adjustment when tacking. Any sail may be sheeted to or l ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????((???((???((??((