If you are considering becoming an instructor or progressing your instructor training to a higher level then you may find the links & information below of some use:-

Royal Yachting Association (RYA)  http://www.rya.org.uk

The RYA is the National Governing body for the following watersports/ water-related activities:-

Wind-power:-

Dinghy, Keelboat, Catamaran, Yacht Sailing & Windsurfing

Horse-power:-

Powerboat/RIB's, Personal watercraft (jetski) & Motorcruising

Brain-power:-

VHF radio (Marine Radio short range), First Aid at sea, Diesel Engine Maintenance, Radar, Sea Survival & ISAF Offshore safety course

Basic Navigation & safety, Day skipper, Coastal Skipper,Yachtmaster & Ocean Yachtmaster shorebased navigation courses

British Canoe Union (BCU)   http://www.bcu.org.uk

Paddle-power:-

Kayak & Open Canoe

Including the following diciplines - Slalom, Freestyle, White water racing, Canoe Polo, Surf, Sea-kayaking, Marathon.

British Kitesurfing Association (BKSA)    http://www.kitesurfing.org

Kitesurfing

Including the following diciplines - Freestyle, Hangtime, Speed, Boardercross, Wave, Kickers/Sliders & Freeride

British Waterski Association (BWSF)    http://www.britishwaterski.co.uk

Waterski, Wakeboard, Barefoot, Kneeboard & Ski boat driver award

Including the following diciplines - Disabled, Racing, Cable 3 & Tournament