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Термины в авиаперевозках

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Miscellaneous charges order (MCO) — A document issued by a carrier or its agent requesting issue of an appropriate Passenger Ticket and Baggage Check or provision of services to the person named in such document


No-show — A passenger who fails to use reserved accommodation/flight for reason other than missed connections, either through failure to arrive at the airport at the time fixed by the carrier, or through arriving improperly documented or otherwise not ready to travel on flight

NUC (Neutral Unit Construction) — The unit value equivalent of local currency fares, add-ons and related charges derived by converting same using the IATA rate of exchange


Origin — The notification by teletype, commercial wire or mail that a person in one city has requested issuance of prepaid transportation as described in the authority, to a person in another city

Open-jaw trip — Travel which is comprised if only 2 international fare components with a surface break which (unless otherwise specified in a special fares rule) may be between any two points/countries in the area of unit origin and/or turnaround in which the special fare rule applies, and for which the fare is assessed as a single pricing unit using half RT fares. TYPES: Single Open Jaw (SOJ)- A single open jaw is either a turnaround open jaw or an origin open jaw Turnaround Open Jaw (TOJ)- The outward point of arrival and the inward point of departure are not the same Origin Open Jaw (OOJ)- The outward point of departure and the inward point of arrival are not the same Open Jaw (OJ)- Any combination of the above

Over booking — A condition which exists when more seats have been booked on a flight than seats allowable for sale


Passenger name record (PNR) — A record of each passenger’s travel requirements which contain all information necessary to enable reservations to be processed and controlled by the booking airline and the airline(s) participating in the carriage

Prepaid ticket advice (PTA) — The notification by teletype, commercial wire or mail that a person in one city has requested issuance of prepaid transportation as described in the authority, to a person in another city


Rebooking — Change of reservation and/or other changes which do not require ticket reissuance

Reconfirmation — A procedure used by some airlines whereby passengers, under certain given circumstances, advise those airlines of their intention to use the space reserved

Refund involuntary — A refund of an unused ticket or portion thereof or an unused MCO required where because of safety or legal requirements or the condition or conduct of the passenger carriage is refused

Reissue — An alteration to a ticket that cannot be done through revalidation and requires issuance of a new ticket. Issuance of a new ticket against a previously issued ticket in accordance with the provisions of Voluntary Reroutings for partly used pricing units

Reroute — To issue a new ticket covering transportation to the same destination, but via a different routing than that designated on the ticket, or to honor the ticket held by the passenger for transportation to the same destination but via a different routing

Revalidation — The authorized stamping or writing upon the Passenger Ticket evidencing that it has been officially altered by the carrier. There can be no change to origin, destination, stopover points or fare

Resident — A person legally living in a given country of which he/she is not a citizen

Round trip — Travel entirely by air from a point to another point and return to the original point comprising two half round trip fare components only, for which the applicable half round trip fare for each component, measured from the point of unit origin, is the same for the routing traveled; provided that this definition shall not apply to round the world travel. If the fares to be used differ through class of service/seasonality/day of week/carrier variations, the outbound fare shall be used also for the inbound fare component for the purpose of determining if the pricing unit is a round trip

Round-the-world — Travel from a point and return thereto which involves only one crossing of the Atlantic Ocean and only one crossing of the Pacific Ocean


Sector — Portion of the journey covered by a single flight coupon

Segment — A portion of the journey between boarding and disembarkation points that may be comprised of a leg or group of legs

Stopover — When a passenger arrives at an intermediate point and is scheduled to depart later than 24 hours after arrival (local time)

Sunday rule — Return travel from the point of turnaround must not commence before 0001 hours on the Sunday following the day of outbound departure

Surface sector — A sector between two intermediate points of a fare component where travel is via other than air transportation


Transfer — A change from the service of one carrier to another service of the same carrier (online transfer) or to the service of another carrier (interline transfer)


Unaccompanied — When used for children and infants fares this shall mean the child/infant is not accompanied by an adult

Upgrading — Change from original fare paid to a higher fare (change oа seasonality, day of week, applicable related charges, resulting in a higher fare do not constitute upgrading)


Validation — The authorized stamping or writing upon the Passenger Ticket evidencing that it has been officially issued by the carrier


Waitlist segment — An unconfirmed segment for specific flight(s) for which seating was not available at the time reservations were requested