| Airline Transport License (cargo) | OLI_QUALLEVEL_CARGO | 6 |
| Any level of qualification | OLI_QUALLEVEL_ANY | 100 |
| Commercial License | OLI_QUALLEVEL_COMM | 4 |
| Instructors License | OLI_QUALLEVEL_INSTRUCTOR | 7 |
| Instrument Rated | OLI_QUALLEVEL_IFR | 8 |
| Other | OLI_OTHER | 2147483647 |
| Private Pilots License | OLI_QUALLEVEL_PRIVATE | 2 |
| Recreational | OLI_QUALLEVEL_RECREATIONAL | 10 |
| Senior Commercial License | OLI_QUALLEVEL_SENIORCOMM | 5 |
| Sport | OLI_QUALLEVEL_SPORT | 9 |
| Students Private Pilots License | OLI_QUALLEVEL_STUDENT | 1 |
| Unknown | OLI_UNKNOWN | 0 |
| Unrestricted Private Pilots License | OLI_QUALLEVEL_UNRESTRPRIVATE | 3 |