- Aerospace Industries Association
- Air Line Pilots Association
- Air Transport Association of America
- Aviation Safety Network
- Bureau d'Enquêtes et d'Analyses pour la Sécurité de l'Aviation Civile
- Bureau Veritas
- Commercial Aviation Safety Team
- Eurocontrol, the European Organisation for the Safety of Air Navigation
- European Aviation Safety Agency
- European Co-ordination Centre for Aviation Incident Reporting Systems
- Federal Aviation Administration
- General Aviation Manufacturers Association
- Global Aviation Information Network
- Helicopter Association International
- International Air Transport Association
- ICAO Aircraft Type Designators
- International Civil Aviation Organisation
- International Register of Civil Aircraft
- National Transportation Safety Board
- Transport Canada
- Type Certificates: Australia
- Type Certificates: Brazil
- Type Certificates: Canada
- Type Certificates: European Union
- Type Certificates: New Zealand
- Type Certificates: Romania
- Type Certificates: Spain
- Type Certificates: United Kingdom
- Type Certificates: United States
- United Kingdom Civil Aviation Authority
CAST/ICAO Common Taxonomy Team
Change Requests and Update Schedule | Aircraft Make/Model/Series | Engine Make/Model | Phases of Flight | Occurrence Categories | Engine Occurrence Sub-Category