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  2. Passenger name record - Wikipedia

    en.wikipedia.org/wiki/Passenger_name_record

    A passenger name record (PNR) is a record in the database of a computer reservation system (CRS) that contains the itinerary for a passenger or a group of passengers travelling together. The concept of a PNR was first introduced by airlines that needed to exchange reservation information in case passengers required flights of multiple airlines ...

  3. Record locator - Wikipedia

    en.wikipedia.org/wiki/Record_locator

    When a reservation is made, a passenger name record (PNR) is created in the computer reservation system (CRS) used by the person making the booking, and the CRS will automatically generate a record locator for the PNR. If the only flight(s) are operated by the airline on which the booking is being made, then only one PNR will exist.

  4. United States–European Union Agreement on Passenger Name ...

    en.wikipedia.org/wiki/United_States–European...

    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 ...

  5. Airport check-in - Wikipedia

    en.wikipedia.org/wiki/Airport_check-in

    In-town check-in service is a service offered by some cities such as Abu Dhabi, Seoul, Hong Kong, Delhi, Kuala Lumpur–International, London, Stockholm, Vienna and Taipei, where passengers may check in luggage in designated places within the city but outside the airport. This reduces check-in time and queuing at the airport.

  6. Point of no return - Wikipedia

    en.wikipedia.org/wiki/Point_of_no_return

    The point of no return (PNR or PONR) is the point beyond which one must continue on one's current course of action because turning back is no longer possible, being too dangerous, physically difficult, or prohibitively expensive to be undertaken.

  7. Data retention - Wikipedia

    en.wikipedia.org/wiki/Data_retention

    A legal opinion funded by the Greens/EFA Group in the European Parliament finds that the blanket retention data of unsuspected persons generally violates the EU Charter of Fundamental Rights, both in regard to national telecommunications data retention laws and to similar EU data retention schemes (PNR, TFTP, TFTS, LEA access to EES, Eurodac, VIS).

  8. Peer Name Resolution Protocol - Wikipedia

    en.wikipedia.org/wiki/Peer_Name_Resolution_Protocol

    Multiple entities can publish the same peer name. For example, if a peer name is associated with a group, any group member can publish addresses for the peer name. Peer names are published and resolved within a specified scope. The scope can be a local link, a site (e.g. a campus), or the whole Internet.

  9. Receiver autonomous integrity monitoring - Wikipedia

    en.wikipedia.org/wiki/Receiver_Autonomous...

    Prediction tools are usually conservative and thus predict lower availability than that actually encountered in flight to provide protection for the lowest end receiver models. Because RAIM operates autonomously, that is without the assistance of external signals, it requires redundant pseudorange measurements.