The document provides information about various codes and displays used in airline reservations and ticketing on the Amadeus system. It includes:
1) The ICAO phonetic alphabet adopted for aviation use to avoid confusion with similar sounding letters and numbers.
2) Codes used in Amadeus to represent locations, companies, equipment, and other entities with unique identifiers. These include codes for cities, airports, countries, airlines, aircraft types, and more.
3) The different types of displays in Amadeus including availability displays, schedule displays, and timetable displays and how to request each type of display.