International A Class

The International Radio A Class (RA) is a class of radio controlled sailing yacht used for competitive racing. It is a measurement controlled classes administered by the International Radio Sailing Association. The class is a designated IRSA International class entitled to hold World Championships officially recognised by the International Sailing Federation. A RA class of boat is a classic looking boat similar to that of the full sized metre class. The RA class rules are loosely based on the 5.5 Metre. Modern boats utilise the latest carbon fibre technology with displacements typically between 13 – 16 kg, making them substantial yachts.

Events

World Championships

Event	Gold	Silver	Bronze
2005, Gosport	Graham BANTOCK (GBR) Design Sword / Graham Bantock	Ken BINKS (GBR) Design Sword / Graham Bantock	Peter WILES (GBR) Design Sweet 9 / Roger Stollery

Unofficial World Championships

Unclear of the status of these events as the International Radio Sailing Association only joined ISAF in the mid 90's.

Event	Gold	Silver	Bronze
1993, Knud So Lake Ry	Derek PRIESTLEY (GBR)

External links

Classes of the International Sailing Federation

Current Olympic classes	470 49er 49er FX Finn Laser Laser Radial RS:X Nacra 17

ISAF centreboard classes	29er 420 505 B14 Byte Cadet Contender Enterprise Europe Fireball Flying Dutchman Flying Junior GP14 Int. 14 Laser 2 Laser 4.7 Lightning Mirror Moth Musto Performance Skiff O'pen BIC OK Dinghy Optimist RS Feva RS Tera RS100 RS500 Snipe Splash Sunfish Tasar Topper Vaurien Zoom 8

ISAF keelboat classes	12 mR 2.4 mR 5.5 m 6 mR 8 mR Dragon Etchells Flying 15 Hansa 2.3 Hansa 303 Hansa Liberty H-boat J/22 J/24 J/70 J/80 Melges 20 Melges 24 Melges 32 Micro Platu 25 RC44 SB20 Shark 24 Soling Sonar Star Tempest Yngling

ISAF yacht classes	Class40 Farr 30 (Mumm 30) Farr 40 IMOCA 60 J/111 Maxi 72 Soto 40 Swan 45 Swan 60 TP 52 X-35 X-41

ISAF multihull classes	A-Class Dart 18 Formula 16 Formula 18 Hobie 14 Hobie 16 Hobie Dragoon Hobie Tiger Hobie Wildcat Nacra Infusion SL 16 Topcat K1 Tornado Viper F16

ISAF windsurfer classes	Formula Experience Formula Windsurfing Funboard Kona Mistral Raceboard RS:One Speed Windsurfing Techno 293

ISAF kiteboarding classes	International Kiteboarding Association

International Radio Sailing Association classes	10 rater A Class Marblehead One Metre

Former ISAF classes	11:Metre One Design 29erXX Aloha Buzz C-Class Division I Division II Division III Elliott 6m Farr 45 Farr Maxi One Design Hobie 17 Hobie 18 IOD ISO Laser Vago Lechner A-390 Mistral Junior Mumm 36 Nacra F18 Open 50 ORMA 60 Sydney 40 Ultimate 20 Windglider X-99

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