| Aerial patrol | A flight to carry out aerial patrols (e.g. pipeline controls, police patrols) |
| Agricultural | A flight to service agricultural needs (e.g. crop spraying etc.). This includes flights to and from the spray area. |
| Ambulance | Air ambulance flights and Helicopter Emergency Medical Service |
| Banner and Glider Towing | Flights to carry out aerial advertising (e.g. banner towing) or to tow another aircraft (e.g. glider towing) |
| Calibration/Inspection | |
| Cargo | Cargo includes freight, unaccompanied baggage and mail. |
| Demonstration | Display flying, aircraft demonstration, air races |
| External load operation (Construction, Logging) | A (helicopter) flight to assist in construction work, carrying sling loads or logging activities |
| Executive | Flight to carry company personnel. Includes corporate operations. |
| Ferry/positioning | A positioning flight not related to revenue operations |
| Fire fighting | A flight to carry out fire fighting activities (e.g. spotting, water bombing etc.). This includes flights to and from the fire area |
| Illegal Flight | Any illegal operation (aircraft stolen, unauthorized flight, illegal flight) |
| Military | All flights carried out by military operators |
| None | When aircraft is not on use at the time of the event |
| Offshore operations | Helicopter operations to/from offshore installations (oil rigs, ships etc.) |
| Parachuting | A flight to carry parachutists. |
| Passenger - Non-Scheduled/charter/air taxi | Charter flights and on-demand, non-scheduled flights |
| Passenger - Scheduled | A scheduled flight carrying one or more revenue passengers. |
| Passenger | To be used when it is not certain if the flight was scheduled or not |
| Private | Private flying operations for no specific purpose. |
| Survey | A flight to carry out aerial surveys or aerial photography |
| Test | Flights for the purpose of testing aircraft (e.g. after maintenance, to obtain type certificates etc.) |
| Training | Flights for the specific purpose of flight training and check |
