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Glossary for the airline industry

From A-Z, this glossary covers definitions and explanations for common airline industry terminology.

EDIFACT

Electronic Data Interchange For Administration, Commerce and Transport. An international standard for data exchange developed under the United Nations.

edit

The portion of a computer program that checks the data being entered against the directory levels or for correct coding format before the master file is affected.

effective date

The first date on which a segment is in effect.

Eligibility

Category 1. Defines identification requirements, age range, and locality for a specific passenger type if those elements exist. For example, only students, seniors, or employees of a certain company may purchase the fare.

embedded segment

A change instruction that is made, but never filed in GFS. The unfiled segment becomes embedded and cannot be filed until it is corrected.

EMD

Electronic Miscellaneous Document. One or many coupon electronic documents that may be associated to a flight coupon, referenced to a ticket, or issued separately to document a sale and track usage of optional services and other miscellaneous fees.

end-on-end

1. (Subcategory 104, US/CA fares) Combination of pricing units that are shown separately on the ticket and that need not have a common fare break point. End-on-End includes A-B-A combinations. Note: A-B-A validation is based on city codes. See also combinations. 2. (Subcategory 104, International fares) Combination of pricing units that are shown separately on the ticket that need not have a common fare break point. Not applicable to A-B-A combinations. Note: A-B-A validation is based on city codes. See also combinations.

enhancement

A piece of standards work that involves a change in processing by at least one of the consumers of the standard.

equipment code

A three-character IATA-managed designator indicating which type of aircraft is used on a particular flight. Although most commonly found in Schedule Data, these codes also exist in Rule and Service Fee provisions.

EU-PSD II

European Union Payment Services Directive II. A European Commission mandate that requires between not only personal and corporate cards, but also between cards issued inside or outside the European Economic Area (EEA). EU-PSD II will prohibit surcharges on consumer credit/debit cards issued inside the EEA.

exchange

According to IATA Resolution 017f, an exchange is a change to the carrier, flight, date, class of service or sector of the first flight coupon. The new fare shall be calculated from origin to destination of the new journey based on the fares applicable at the time of commencement of the new transportation (that is, using current fares). See also reissue.

exclusion

Criteria portion of a query coded to specify fares you do not want to find.