Portsmouth 1979
Airport 79
28 October 1980 at Portsmouth Airport
| 350cc-500cc | RH Sidecars | Upto 250cc |
| 1- Simon Wigg | 1- Dave Heath & Ray Andrews | 1- Chris Malone |
| 2- Martin Goodwin | 2- Gordon Matthews & Keith Morgan | 2- Andy Campbell |
| 3- Gerry Smith | 3- Roger Measor & Jeff Measor | 3- Mark Lewis |
