List of Snaefell Mountain Course fatal accidents List of fatal accidents involving competitors List of fatal accidents involving competitors

| Rider | Date_ | Place | Race | Event | Machine |
|---|---|---|---|---|---|
| David Featherstone | 7 September 1976 | Alpine Cottage | 1976 Manx Grand Prix | Junior | 350cc Yamaha |
| Peter Tulley | 30 August 1977 | Alpine Cottage | 1977 Manx Grand Prix | Practice | 348cc Yamaha |
| Ivan Houston | 31 August 1977 | Creg Willey`s Hill | 1977 Manx Grand Prix | Practice | 250cc Yamaha |
| Norman Tricoglus | 3 September 1977 | Rhencullen | 1977 Manx Grand Prix | Practice | 500cc Yamaha |
| Neil Edwards | 7 September 1977 | Cruickshanks Corner | 1977 Manx Grand Prix | Junior | 350cc Yamaha |
| Steven Davis | 1 June 1978 | Laurel Bank | 1978 Isle of Man TT | Practice | 347cc Yamaha |
| Mac Hobson | 5 June 1978 | Bray Hill | 1978 Isle of Man TT | Sidecar TT | 750cc Yamaha |