- International Ten Rater
- 11 Metre
- 12 Metre
- International 14
- 2.4 Metre
- 29er
- 420
- 470
- 49er
- 5.5 Metre
- 505
- Open 50 Monohull
- Open 60 Monohull
- ORMA 60 Multihull
- 6 Metre
- 8 Metre
- Access 2.3
- Access 303
- Access Liberty
- B14
- Byte
- IC45
- Cadet
- Contender
- A-Catamaran
- Dart 18
- DN-Ice Yacht
- Dragon
- Emperical Handicap (Unspecified)
- Enterprise
- Etchells
- Europe
- Formula 18
- Farr 40
- Fireball
- Flying Dutchman
- RS Feva XL
- Formula Experience
- Flying Fifteen
- Finn
- Flying Junior
- Funboard
- Formula Windsurfing
- GP14
- H-Boat
- Hobie Tiger
- Hobie 14
- Hobie 16
- Hobie 17
- Hobie 18
- Hobie Dragoon
- IMS
- International One Design (IOD)
- International One Metre (IOM)
- IRC
- J/22
- J/24
- J/80
- Laser 4.7
- Laser II
- Laser Radial
- Lechner
- Lightning
- Laser
- Melges 24
- Farr 30
- Mumm 36
- International Marblehead
- Micro
- Mirror
- Mistral
- Mistral Junior
- Musto Performance Skiff
- Moth
- Nacra F18
- ORC Club
- OK Dinghy
- Optimist
- Platu 25
- Raceboard
- International RA Class
- RS:X
- Sydney 40
- Swan 45
- Shark
- SKUD 18
- Sirena SL16
- Snipe
- Soling
- Sonar
- Splash
- Star
- Sunfish
- Speed Windsurfing Association
- Techno 293
- Topcat K1
- Tempest
- Topper
- Tornado
- Tasar
- Vaurien
- X-35
- X99
- Yngling
- Zoom 8
- Quarter Ton
- Half Ton (IOR)
- Three-Quarter Ton (IOR)
- 1 Ton (IOR)
- 2 Ton (IOR)
- CHS
- IRM
- IOR
- ISO Dinghy
- Pirat
- 10 Metre
- O’pen BIC
- TP52
- RS Tera
- Ultimate 20
- SB3
- ORCi
- 12 Foot Dinghy
- 6.5 Metre
- 7 Metre
- Firefly
- 1932 Olympic Class Monotype
- Open Class
- Swallow
- 0.5 Ton Under the Thames Measurement Rule
- 1 - 2 Ton Under the Thames Measurement Rule
- 10 - 20 Ton Under the Thames Measurement Rule
- 2 - 3 Ton Under the Thames Measurement Rule
- 3 - 10 Ton Under the Thames Measurement Rule
- 0.5 - 1 Ton Under the Thames Measurement Rule
- 30 Square Metre
- 40 Square Metre
- 18 Foot Dinghy
- Flipper
- Hobie 16 (with Spinnaker)
- Corel 45 (now the Farr 45)
- Windglider
- 6 Metre (rating 1919)
- 6 Metre (rating 1907)
- 8 Metre (rating 1919)
- 8 Metre (rating 1907)
- 12 Metre (rating 1907)
- 12 Metre (rating 1919)
- 10 Metre (rating 1907)
- 10 Metre (rating 1919)
- X-41
- Elliott 6m
- Kiteboarding
- Melges 32
- Byte CII (USE BYTE)
- IMA - Mini Maxi Racing
- Class 40
- Martin 16
- Kona
- RC 44
- Laser Vago
- RS 500
- IMS 670
- International Division III of Sailboards (Tandem)
- International Division II of Sailboards (Displacement)
- International Division I of Sailboards (Flat Board)
- Buzz
- 1924 Olympic Class Monotype
- 1936 Olympic Class Monotype
- 12 Square Metre
- Extreme 40
Other Class: