| Albacore | National Albacore |
| British Moth | British Moth Association |
| Drascombe | Drascombe Association |
| Enterprise | Enterprise Association UK |
| Europe | International Europe Class Union |
| Laser | UK Laser Class Association |
| Mirror | UK Mirror Association |
| National 12 | National 12 Home Page |
| OK | OK-British Class Association |
| Optimist | Optimist Class Asociation |
| Phantom | Phantom Class Association |
| Solo | National Solo |
| Topper | International Topper Class Association |
| Wayfarer | United Kingdom Wayfarer Association |
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The Environmental Agency requires all craft using their waterways to be registered with them. The annual fee for the Thames for 2005 for an unpowered pleasure boat is £21.10 and can be obtained from the above address, or visit the link below. (or from their home page - select Navigation, then on the right select "craft Registration"). PDF's of this form and for other craft types and rivers are also available for downloading.
Craft Inquiries (0118) 953 5650
Switchboard (0118) 953 5000