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This PNR is called the Master PNR for the passenger and the associated itinerary. The PNR is identified in the particular database by a record locator. When portions of the travel are not provided by the holder of the master PNR, then copies of the PNR information are sent to the CRSs of the airlines that will be providing transportation.
In airline reservation systems, a record locator is an alphanumeric code used to identify and access a specific record on an airline’s reservation system. An airline’s reservation system automatically generates a unique record locator whenever a customer makes a reservation or booking, commonly known in the industry as an itinerary.
The Agreement between the United States of America and the European Union on the use and transfer of Passenger Name Records to the United States Department of Homeland Security is an international agreement between the United States of America and the European Union that was signed on 14 December 2011 for the purpose of providing passenger name records (PNR) from air carriers operating ...
A reservation for an itinerary is made in the airline system, either directly by the passenger or by an agent. The itinerary includes all the above details needed for the issuance of an air ticket, except the ticket number. When the reservation is made, a passenger name record (PNR) will be created which is used to manage the reservation and ...
Advance Passenger Information System [1] or APIS is an electronic data interchange system established by the U.S. Customs and Border Protection (CBP). [2]APIS governs the provision of a limited number of data elements (identification details from the passport and basic flight information) from commercial airline and vessel operators to the computer system of the destination state. [3]
Once a flight has departed, the reservation system is updated with a list of the checked-in passengers (e.g. passengers who had a reservation but did not check in (no shows) and passengers who checked in, but did not have a reservation (go shows)). Finally, data needed for revenue accounting and reporting is handed over to administrative systems.
An official ticket number (including the airline's 3-digit ticketing code, [2] a 4-digit form number, a 6-digit serial number, and sometimes a check digit) Carriage terms and conditions (or at least a reference to them) Fare and tax details, including fare calculation details and some additional data such as tour codes.
[citation needed] The airlines pass data (passenger name record, or PNR) on each passenger to the NBTC, including date of birth. The NBTC tracks former flights taken by each individual going back up to a decade, and determines whether an individual's flight history could be suspicious. Each individual is checked against criminal record databases.