Passenger aircraft: aircraft configured for the transport of passengers and their baggage; any freight, including mail, is generally carried in cargo holds in the belly of the aircraft;
- Cargo aircraft: aircraft configured solely for the carriage of freight and/or mail; persons accompanying certain kinds of cargo, such as livestock, may also be carried;
- Combi aircraft: passenger aircraft with enhanced capabilities for the carriage of freight on the passenger deck;
- Quick change aircraft: aircraft designed to allow a quick change of configuration from passenger to cargo and vice versa;
- Other: aircraft not used for commercial air transport.