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Chart 1

Contains RBD information for the carrier owning the fare (aside from primary RBD) and for secondary carriers participating on the fare. This data provides exceptions to the primary RBD. It is the same as Record 6 Convention 2.

Chart 2

RBD default information for the marketing carrier who is on the ticket but does not own the fare (the fare owner can be a carrier code or YY). Applies for secondary transportation on another carrier's fare, or for primary or secondary transportation on a YY fare. It is the same as Record 6 Convention 1.

Child

A person who has reached his or her second birthday but not his or her twelfth birthday as of the date of commencement of travel from the journey origin.

Circle trip

1. (two components, Subcategory 102, US/CA Fares) Travel from point A to point B and return to point A using two fare components only. At least one fare component must be priced using half of a round-trip fare. See also combinations. 2. (more than two components, Subcategory 103, US/CA Fares) Travel on a single pricing unit from a point and return thereto by a continuous, circuitous route, using applicable half-round-trip fares. At least one fare component must be priced using half of a round-trip fare. See also combinations. 3. (Subcategory 103, International Fares) Travel on a single pricing unit from a point and return thereto by a continuous, circuitous route, using applicable half-round-trip fares. Circle Trip includes pricing units comprising two fare components that do not meet the conditions of the round-trip definition. See also round-trip. See also combinations.

CNN

Accompanied child (usually age 2-11)

Code share

The practice of putting an airline's flight number on a segment that the airline does not operate with its own aircraft. This allows carriers to sell space on other airlines' flights, expanding a carrier's network.

Coding conventions

A set of manual standards established to provide consistency in coding data. (A coding convention is not an actual programming edit.)

Combination

Whenever two or more one-way or round-trip or half round-trip fares are used and shown separately in a fare calculation. See circle trip, end-on-end, half-round-trip, open jaw, and round-trip.

Concurrence

An agreement requested of a carrier by another carrier to make tariff changes. A blanket concurrence (also called a preconcurrence) may be secured in advance to cover all future changes.

Connection

1. When a passenger changes planes within a fare component, and the duration of the change is not considered a stopover (established by carrier rules or industry default) (see stopover). 2. Also known as a transfer. The ability to transfer passengers, baggage, cargo or mail from one flight to another within a reasonable time period. On-line connections concern transfers between flights of the same airline designator and interline connections between flights of different airline designators.

Constructed

IATA term for unspecified through fares created by the use of add-on amounts, or two or more fares shown as a single amount in a fare calculation. (ATPCO also refers to this as unpublished.)

Continuous pricing

A dynamic pricing method where the system selects a price from a range of possible values. There is no underlying finite menu of possible price points, although there may be business rules that determine the range of allowable prices at any moment. Prices could be generated individually for each transaction, but prices do not necessarily need to differ in each transaction.

Contract of carriage

An agreement between a carrier and a passenger that lists all the rights and responsibilities of each party.

Criteria set

Fares system tool used to view, add, modify, restore, and cancel fares. Also referred to as the query tool.

CRS

Computer reservation system. Used by travel agents and others throughout the world, these systems receive coded fare data (which will price electronically) from ATPCO and transmit it to their customers.

CTA

Canadian Transportation Agency.

CXR

Abbreviation for carrier.

Data application

The industry-endorsed processing laws that apply to ATPCO data for itinerary pricing solutions. Data Application creates an industry standard aligning ATPCO, data providers, and data subscribers for consistent industry-wide itinerary pricing.

Data Distribution (G30)

Directory that controls which organizations (subscribers) receive what public and private data from ATPCO for processing. Now replaced by the FareManager Distribution application.

Data owner

The carrier who owns the fare products.