G1.3
Positioning
Class insignia, national letters and sail numbers shall be positioned as follows:
- (a) General
- (1) Class insignia, national letters and sail numbers, where applicable, shall be placed on both sides and such that those on the starboard side are uppermost.
- (2) National letters shall be placed above the sail numbers on each side of the sail.
- (b) Mainsails
- (1) The class insignia, national letters and sail numbers shall, if possible, be wholly above an arc whose centre is the head point and whose radius is 60% of the leech length.
- (2) The class insignia shall be placed above the national letters. If the class insignia is of a design that it may be placed back to back, then it may be so placed.
- (c) Headsails and Spinnakers
- (1) National letters and sail numbers are only required on a headsail whose foot length is greater than 1.3 x foretriangle base.
- (2) The national letters and sail numbers of headsails shall be displayed wholly below an arc whose centre is the head point and whose radius is 50% of the luff length and, if possible, wholly above an arc whose radius is 75% of the luff length.
- (3) The national letters and sail number shall be displayed on the front side of a spinnaker but may be placed on both sides. They shall be displayed wholly below an arc whose centre is the head point and whose radius is 40% of the foot median and, if possible, wholly above an arc whose radius is 60% of the foot median.