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International Maxi Association
Open 60 Monohull
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Techno 293
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420
470
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505
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Europe
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Laser
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Zoom 8
- Olympic -
470
49er
Elliott 6m
Finn
Laser
Laser Radial
Neil Pryde RS:X
Star
Olympic Equipment
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470
49er
Elliott 6m
Finn
Laser
Laser Radial
Neil Pryde RS:X
Star
Centreboard Classes
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29er
29er XX
420
470
49er
505
B14
Byte
Cadet
Contender
Enterprise
Europe
Finn
Fireball
Flying Dutchman
Flying Junior
GP14
International 14
Laser
Laser 4.7
Laser II
Laser Radial
Laser Vago
Lightning
Mirror
Moth
Musto Performance Skiff
O'pen BIC
OK Dinghy
Optimist
RS 500
RS Feva
RS Tera
Snipe
Splash
Sunfish
Tasar
Topper
Vaurien
Zoom 8
Keelboat Classes
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12 Metre
2.4 Metre
5.5 Metre
6 Metre
8 Metre
Access 2.3
Access 303
Access Liberty
Dragon
Etchells
Flying Fifteen
H-Boat
IOD
J/22
J/24
J/80
Melges 24
Melges 32
Micro
Platu 25
RC44
SB3
Shark
Soling
Sonar
Star
Tempest
Ultimate 20
Yngling
Multihull Classes
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A-Catamaran
Dart 18
Formula 16
Formula 18
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Hobie 18
Hobie Dragoon
Hobie Tiger
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Nacra Infusion
SL 16
Topcat K1
Tornado
Viper
Windsurfing Classes
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Formula Experience
Formula Windsurfing
Funboard
Kiteboarding
Kona
Mistral
Neil Pryde RS:One
Neil Pryde RS:X
Raceboard
Speed Windsurfing
Techno 293
Yacht Classes
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Class 40
Farr 30
Farr 40
International Maxi Association
Open 60 Monohull
Soto 40
Swan 45
TP52
X-35
X-41
Radio Sailing Classes
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Marblehead
One Metre
RC A Class
Ten Rater
Former ISAF Classes
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Class Page - 10M - 10 Metre
11 Metre
Class Page - 12FD - 12 Foot Dinghy (1928 Olympics)
Class Page - OCM36 - 1936 Olympic Class Monotype
Class Page - OCM32 - 1932 Olympic Class Monotype
Class Page - OCM24 - 1924 Olympic Class Monotype
Open 50 Monohull
Class Page - ORMA 60 - Default Gallery
X99
Standard Class Rules
Contains the model documents for writing class rules
Class Rules
Click here to view all Class Rule updates or go to the appropriate class page
In-House Certification
Click here for more details on the ISAF In-House Certification (IHC) scheme.
ISAF Guide to Sail Measurement
Click here to download the ISAF Guide to Sail Measurement as well as equipment control forms for a number of different classes. For further information please contact the ISAF Technical Department
ISAF Publications
Click here to order copies of the Equipment Rules of Sailing, the ISAF Offshore Special Regulations and the Racing Rules of Sailing.