Airline and Airport Jargon

Terms Definitions
Airline Code Two digit code assigned by the International Air Transport Association (IATA) to the world's airlines.Also known as IATA airline designators, or IATA reservation codes. For example, EI for Aer Lingus or SQ for Singapore Airlines. Search for airline codes at
Airport Code Three digit code which is unique to a specific airport defined by the International Air Transport Association (IATA). Also known an IATA location identifier, IATA station code or simply a location identifier.For example, LHR for Heathrow or SIN for Changi Airport. Search for airport codes at
Airside The area in an airport after security checks up to and including the boarding gates
Boarding Pass Document provided by an airline during check-in giving a passenger permission to board the airplane for a particular flight. Also available electronicically where the passenger checks in either online or on a mobile device, and the boarding pass is then sent to the mobile device as a SMS or e-mail. All boarding pass types use 2d barcodes which are scanned.
Code Share A commercial agreement between two airlines that allows an airline to put its two-letter identification code on the flights of another airline as they appear in computerized reservations systems. One or more airlines may code share with the operating carrier of the flight.
Connection Transfer between two different flights at an intermediate airport
Carousel Conveyor belt in an airport from which a passenger collects their baggage
Fare Basis Code Alpha or alpha-numeric code used by airlines to define the rules that are associated with different types of airfares or tickets, for example, economy, business class or first class. Typically identified by a character such as F, A, J, or Y.
FliFo Flight Information
FQTV Frequent flyer number assigned to a passenger
GDS Global Distribution System. Systems that distribute travel products to agents around the world. Examples of GDSs include Amadeus, Sabre and TravelPort.
IATA International Air Transport Association
DCS Departure Control System. Used for automated passenger check-in, issuing boarding passes and printing bag tags
Landside Area of an airport before the security checks
Marketing Carrier An airline which publishes and markets a flight under its own airline designator and flight number as part of its published timetable or schedule.
Operating Carrier The airline operating the flight.
PNR Passenger Name Record. Issued to a passenger or group of passengers for a flight booking. Contains details of the flight itinerary.
RES Airline Reservations System
Walk Time The time it takes to walk to a boarding gate from the passenger's current location