ISA CLASS RULES BOOK
published by WORLD SAILING
View rule changes WS file here
International Soling Association Rule Change
Effective date: 01/03/2020
Status: APPROVED
Amendment One
Section F - Rig
F.3 Boom
F.3.2 MATERIALS
Amendment: Delete present rule and insert:
F.3.2.1 The main boom with a groove for the mainsail footrope shall be of either:
a) composite carbon fibre and resin or
b) one continuous drawn aluminium alloy extrusion. The aluminium content shall be minimum 90%.
F.4 Spinnaker Pole
F.4.2 MATERIALS Amendment: Delete present rule and insert:
The spinnaker pole shall be of either:
a) composite carbon fibre and resin or
b) aluminium alloy extrusion. The aluminium content shall be minimum 90%. or
c) wood
