Open Skies ReviewAviation & International Affairs
Reference

Glossary of International Aviation Terms

The vocabulary of aviation diplomacy, in plain language.

TermMeaning
Accredited representativeA person designated by a state to participate in another state's accident investigation under Annex 13
Air services agreementA treaty between governments governing commercial air services between them
BACNBattlefield Airborne Communications Node, a high-altitude communications relay system
Beyond rightsRights to continue a flight from a foreign country to a third country (fifth freedom)
CabotageCarrying passengers or cargo between two points within one country
Chicago ConventionThe 1944 Convention on International Civil Aviation
CodeshareAn arrangement in which one airline sells seats on another airline's flight under its own flight number
DesignationA government's nomination of an airline to operate under an air services agreement
Freedoms of the airTraffic rights granted between states, numbered first through ninth
IATAInternational Air Transport Association, a trade association of airlines
ICAOInternational Civil Aviation Organization, the UN specialized agency for civil aviation
Open Skies agreementAn air services agreement removing most restrictions on routes, capacity, and pricing
Ownership and controlRequirements that designated airlines be owned and controlled by nationals of their country
RPASRemotely piloted aircraft system
SARPsStandards and Recommended Practices adopted by ICAO
State aircraftMilitary, customs, and police aircraft, treated separately from civil aircraft
Treaty on Open SkiesThe 1992 treaty permitting unarmed observation flights among its parties