Definition: Aircraft by configuration
i) Passenger aircraft
An aircraft configured for the transport of passengers, their baggage and freight, including mail.
Except for small aircraft on regional services, freight, mail and passenger baggage other than hand baggage will normally be carried in the belly hold of the aircraft.
ii) Cargo aircraft
An aircraft configured solely for the carriage of freight and/or mail.
iii) Combi aircraft
A passenger aircraft with enhanced capabilities for the carriage of freight on the passenger deck.
iv) Quick change aircraft
An aircraft designed to allow a quick change of configuration from passenger to cargo and vice versa.
Such aircraft may also have enhanced freight carrying capabilities, enlarged doors for example.
Not used for commercial air transport.
Draft Glossary on Air Transport Statistics, 2001