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 |
|---|---|---|---|---|---|
| Brian Warburton | 3 June 1988 | Appledene | 1988 Isle of Man TT | Production TT | 600cc Honda |
| Marco Fattorelli | 30 May 1989 | Greeba Castle | 1989 Isle of Man TT | Practice | 750cc Yamaha |
| John Mulcahy | 30 May 1989 | Barregarrow | 1989 Isle of Man TT | Practice | 1300cc Suzuki |
| Phil Hogg | 2 June 1989 | Ballagarey Corner | 1989 Isle of Man TT | Practice | 250cc TZ Yamaha |
| Phil Mellor | 7 June 1989 | Doran`s Bend | 1989 Isle of Man TT | Production TT | 1100cc GSXR Suzuki |
| Steve Henshaw | 7 June 1989 | Quarry Bends | 1989 Isle of Man TT | Production TT | 1000cc FZR Yamaha |
| Colin Keith | 29 August 1989 | Hillberry Corner | 1989 Manx Grand Prix | Practice | 500cc BSA |