Commercial Aviation Safety Team (CAST)
International Civil Aviation Organization (ICAO)
International Air Transport Association (IATA)
Civil Aviation Safety Authority (Australia) (CASA)
Civil Aviation Authority (United Kingdom) (CAA)
European Union Aviation Safety Agency (EASA)
European Civil Aviation Conference ( ECAC )
Joint Aviation Authorities Training Organization ( JAA TO )
European Organization for Safety of Air Navigation (EUROCONTROL)