| Number | SA029 |
| Class | C (Aeroplanes) |
| Sub Class | C1-b (Landplanes: weight 500 kg to less than 1,000 kg) |
| Group | I (Internal combustion) |
| Type of Record | Speed over Recognised Course |
| Course/Location | Kano (Nigeria) to Brazzaville (Congo) |
| Performance | 325.01km/h |
| Date | 11/05/2009 |
| Record Holder | Chalkie Stobbart |
| Nationality | South African |
| Aeroplane | Osprey GP 4 (ZU-CLC) |
| Engine | 1 Lycoming IO-375 (195 hp) |
| World Record? | Yes – 15408 |
| Status | Current Record |
| Number | SA032 |
| Class | C (Aeroplanes) |
| Sub Class | C1-b (Landplanes: weight 500 kg to less than 1,000 kg) |
| Group | I (Internal combustion) |
| Type of Record | Speed over Recognised Course |
| Course/Location | London (United Kingdom) to Brazzaville (Congo) |
| Performance | 257.189km/h |
| Date | 11/05/2009 |
| Record Holder | Chalkie Stobbart |
| Nationality | South African |
| Aeroplane | Osprey GP 4 (ZU-CLC) |
| Engine | 1 Lycoming IO-375 (195 hp) |
| World Record? | Yes – 15411 |
| Status | Current Record |
| Number | SA030 |
| Class | C (Aeroplanes) |
| Sub Class | C1-b (Landplanes: weight 500 kg to less than 1,000 kg) |
| Group | I (Internal combustion) |
| Type of Record | Speed over Recognised Course |
| Course/Location | Brazzaville (Congo) to Cape Town (South Africa) |
| Performance | 344.648km/h |
| Date | 11/05/2009 |
| Record Holder | Chalkie Stobbart |
| Nationality | South African |
| Aeroplane | Osprey GP 4 (ZU-CLC) |
| Engine | 1 Lycoming IO-375 (195 hp) |
| World Record? | Yes – 15409 |
| Status | Current Record |