The Sailing Instructions for all the fleets will be available on this site before the start of the Championships.
RS Aero World Championship Sailing Instructions
RS Tera World Championship Sailing Instructions
RS100/200/300/400/500/600/700/800/Vareo fleets have Joint General Sailing Instructions, and then their own Event Sailing Instructions. See below.
General Sailing Instructions - RS100/200/300/400/500/600/700/800/Vareo
RS100 Europeans & RS300 UK Nationals - Event Sailing Instructions
RS200 UK Nationals - Event Sailing Instructions
RS400 Europeans - Event Sailing Instructions
RS500 Worlds - Event Sailing Instructions
RS600 & RS Vareo UK Nationals - Event Sailing Instructions
RS700 Europeans & RS800 UK Nationals - Event Sailing Instruction