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In the AHM 780 specification, the two-character numeric-only codes are sent in the DL and EDL elements along with the time assigned to each code (e.g. DL31/62/0005/0015 showing reason 31 for 5 mins and reason 62 for 15 minutes), and the three-character alphanumeric codes are sent in the DLA element (e.g. DLA31C/62A// showing subreason C for ...
This is a list of all airline codes. The table lists the IATA airline designators , the ICAO airline designators and the airline call signs (telephony designator). Historical assignments are also included for completeness.
IATA time zone is a country or a part of a country, where local time is the same. IATA time zone code is constructed of 2–4 characters (letters and digits) as follows: ISO 3166-1 alpha-2 country code is always used as first and second characters of time zone code. If country is not divided into separate time zones – no more characters added.
UNECE. 28 February 2012. - includes IATA codes "ICAO Location Indicators by State" (PDF). International Civil Aviation Organization. 17 September 2010. Archived from the original (PDF) on 25 March 2019; Aviation Safety Network - IATA and ICAO airport codes; Great Circle Mapper - IATA, ICAO and FAA airport codes
IATA codes are published in Appendix A of IATA's annual Standard Schedules Information Manual (SSIM) and are used for airline timetables and computer reservation systems. [2] IATA designators are used to distinguish between aircraft types and variants that have differences from an airline commercial perspective (size, role, interior ...
The IATA codes were originally based on the ICAO designators which were issued in 1947 as two-letter airline identification codes (see the section below). IATA expanded the two-character-system with codes consisting of a letter and a digit (or vice versa) e.g. EasyJet's U2 after ICAO had introduced its current three-letter-system in 1982. Until ...
The number of flight delays has increased as staff has been cut back as a result of the financial woes following the September 11 attacks. [7] Some of the causes of flight delays or cancellation include: Airline glitches. The top cause of flight delays, according to a USA Today analysis. [7] Congestion in air traffic [7]
Because it is accepted by most airlines and backed by IATA it simplifies the sharing of data between airlines, airports, reservation systems and many other aviation entities. The SSIM format includes structured data elements such as flight numbers, departure and arrival times, airport codes, aircraft types, and other information.