Airline Timetable & Traffic Programme Information (TPI) Airline Timetable information and Booklet and or Domestc restrictions can be found in the Airline Timetable: Book or Worldwide Timetable of such airthe They are published the public use. The above data is also sent to oficial Arline Guide (OAG) through Information e (SSIM) in order to have Schedule Standard System CRS) Updated data can be made Reservation necessary sent to OAG once or twice a week, if deemed Trafic Programme Information information and traffic restrictions for An airline's own routes, schedule and/or domestic flights are published for intemal use cf both international such arina The TPI data is presented in a different format than those This TPI is normally timetable booklet. presented in the airline before the airline timetable booklet is produced