| EASA | European Union Aviation Safety Agency |
| Afghanistan | Civil Aviation Authority |
| Albania | Albanian Civil Aviation Authority (ACAA) |
| Algeria | Établissement de Gestion de Services Aéroportuaires d'Alger (EGSA) |
| Algeria | Établissement Nationale de la Navigation Aérienne (ENNA) |
| Angola | Instituto Nacional da Aviação Civil |
| Angola | Ministério do Transportes |
| Argentina | Servicio Meteorológico Nacional |
| Argentina | Administración Nacional de Aviación Civil |
| Armenia | General Department of Civil Aviation |
| Australia | Airservices Australia |
| Australia | Australian Transport Safety Bureau (ATSB) |
| Australia | Civil Aviation Safety Authority |
| Australia | Department of Infrastructure, Transport, Regional Development and Local Government |
| Australia | International Air Services Commission |
| Austria | Austro Control |
| Austria | Ministry of Transport, Innovation and Technology |
| Azerbaijan | Civil Aviation Administration |
| Bahamas | Civil Aviation Affairs |
| Bahrain | Civil Aviation Affairs |
| Bangladesh | Bangladesh Meteorological Department |
| Bangladesh | Ministry of Civil Aviation and Tourism |
| Bangladesh | Civil Aviation Authority |
| Belarus | Civil Aviation Authority |
| Belgium | Service public fédéral Mobilité et Transports |
| Bolivia (Plurinational State of) | Dirección General de Aeronáutica Civil |
| Bosnia and Herzegovina | Department of Civil Aviation |
| Brazil | Agência Nacional de Aviação Civil (ANAC) |
| Brazil | Brazilian Civil Aviation Certification Division |
| Brazil | Centro de Investigação e Prevenção de Acidentes Aeronáuticos (CENIPA) |
| Brunei Darussalam | Department of Civil Aviation |
| Bulgaria | Civil Aviation Administration |
| Cabo Verde | Agência de Aviação Civil (AAC) |
| Cambodia | Ministry of Public Works and Transport |
| Cambodia | State Secretariat of Civil Aviation (SSCA) |
| Cameroon | Civil Aviation Authority (CAA) |
| Canada | Canadian Transportation Agency |
| Canada | Department of Foreign Affairs and International Trade |
| Canada | NAV CANADA |
| Canada | National Search and Rescue Secretariat |
| Canada | Transport Canada |
| Canada | Transportation Development Centre (TDC) |
| Canada | Transportation Safety Board of Canada |
| Chile | Dirección General de Aeronáutica Civil |
| Chile | Junta de Aeronáutica Civil |
| China | Beijing - Civil Aviation Administration of China |
| China | Hong Kong - Civil Aviation Department |
| Colombia | República de Colombia Aeronáutica Civil |
| Comoros | ANACM |
| Costa Rica | Dirección General de Aviación Civil |
| Côte d'Ivoire | Autorité Nationale de l'Aviation Civile |
| Croatia | Croatian Civil Aviation Agency |
| Cyprus | Department of Civil Aviation of Cyprus |
| Czechia | Air Navigation Services |
| Czechia | Civil Aviation Authority |
| Czechia | Air Accidents Investigation Institute |
| Democratic People's Republic of Korea | Ministry of Land, Infrastructure and Transport |
| Denmark | Ministry of Transport and Housing |
| Denmark | Danish Transport and Construction Agency |
| Dominican Republic | Instituto Dominicano de Aviación Civil |
| Ecuador | Dirección General de Aviación Civil del Ecuador |
| Egypt | Ministry of Civil Aviation |
| El Salvador | Autoridad de Aviación Civil El Salvador |
| Estonia | Estonian Civil Aviation Administration |
| Fiji | Civil Aviation Authority |
| Finland | Civil Aviation Authority |
| France | Bureau d'Enquêtes et d'Analyses pour la sécurité de l'aviation civile (BEA) |
| France | Direction générale de l'Aviation civile |
| Gabon | Agence Nationale de l'Aviation Civile du Gabon |
| Gambia | Gambia Civil Aviation Authority |
| Georgia | Georgian Civil Aviation Authority |
| Germany | Air Navigation Services |
| Germany | Airport Coordination Federal Republic of Germany |
| Germany | Civil Aviation Authority |
| Germany | Federal Bureau of Aircraft Accidents Investigation |
| Germany | Meteorological Service |
| Ghana | Ghana Civil Aviation Authority |
| Greece | Hellenic Civil Aviation Authority |
| Greece | Hellenic National Meteorological Service |
| Greece | Ministry of Foreign Affairs |
| Honduras | Dirección General de Aeronáutica Civil |
| Hungary | Transportation Safety Bureau |
| Iceland | Aircraft Accident Investigation Board |
| Iceland | Civil Aviation Administration |
| India | Airports Authority of India |
| India | Bureau of Civil Aviation Security (BCAS) |
| India | Directorate General of Civil Aviation |
| Indonesia | Directorate General of Civil Aviation |
| Iran (Islamic Republic of) | Civil Aviation Organization |
| Iraq | Civil Aviation Authority |
| Ireland | Minister for Transport, Tourism and Sport |
| Ireland | Irish Aviation Authority |
| Israel | Ministry of Transport and Road Safety |
| Italy | Ente Nazionale per l'Aviazione Civile (ENAC) |
| Italy | Agenzia Nazionale della Sicurezza del Volo |
| Jamaica | Civil Aviation Authority |
| Japan | Civil Aviation Bureau. Ministry of Land, Infrastructure, Transport and Tourism |
| Jordan | Civil Aviation Regulatory Commission (CARC) (formerly called "Jordan Civil Aviation Authority (JCAA)") |
| Kenya | Kenya Civil Aviation Authority |
| Kuwait | Directorate General of Civil Aviation |
| Kyrgyzstan | Civil Aviation Authority |
| Latvia | Civil Aviation Agency |
| Lebanon | Directorate General of Civil Aviation |
| Libya | Libyan Civil Aviation Authority |
| Lithuania | Directorate of Civil Aviation |
| Luxembourg | Direction de l'aviation civile |
| Madagascar | Civil Aviation Department |
| Malaysia | Department of Civil Aviation |
| Maldives | Civil Aviation Department |
| Mali | Agence Nationale de l'Aviation Civile (ANAC) du Mali |
| Malta | Department of Civil Aviation |
| Mauritius | Department of Civil Aviation |
| Mexico | Secretaría de Comunicaciones y Transportes |
| Mongolia | Civil Aviation Authority |
| Montenegro | Civil Aviation Agency |
| Morocco | Direction Générale de l'Aviation Civile |
| Mozambique | Civil Aviation Administration |
| Namibia | Directorate of Civil Aviation (DCA Namibia) |
| Nepal | Civil Aviation Authority of Nepal |
| Netherlands | Ministry of Transport, Public Works and Water Management |
| Netherlands | National Coordinator for Security and Counterterrorism |
| Netherlands | The Dutch Safety Board |
| New Zealand | Airways Corporation of New Zealand |
| New Zealand | Aviation Security Service |
| New Zealand | Civil Aviation Authority |
| New Zealand | Ministry of Transport |
| New Zealand | Transport Accident Investigation Commission |
| New Zealand | Wellington Volcanic Ash Adivsory Centre (VAAC) |
| Nicaragua | Instituto Nicaragüense de Aeronáutica Civíl |
| Nigeria | Nigerian College of Aviation Technology (NCAT), Zaria |
| Nigeria | Nigerian Civil Aviation Authority (NCAA) |
| North Macedonia | Civil Aviation Administration |
| Norway | Civil Aviation Authority |
| Oman | Public Authority for Civil Aviation |
| Pakistan | Civil Aviation Authority |
| Panama | Autoridad Aeronáutica Civil Panama |
| Papua New Guinea | Civil Aviation Safety Authority of Papua New Guinea (CASA) |
| Papua New Guinea | PNG Accident Investigation Commission |
| Paraguay | Dirección Nacional de Aeronáutica Civil (DINAC) |
| Peru | Dirección General de Aeronáutica Civil |
| Philippines | Civil Aviation Authority of the Philippines (CAAP) |
| Poland | Civil Aviation Office |
| Poland | Polish Air Navigation Services Agency |
| Portugal | NAV Portugal, E.P.E. |
| Portugal | Civil Aviation Authority |
| Qatar | Civil Aviation Authority |
| Republic of Korea | Ministry of Land, Infrastructure and Transport |
| Republic of Moldova | Civil Aviation Administration |
| Romania | Romanian Civil Aeronautical Authority |
| Russian Federation | Ministry of Transport |
| Rwanda | National Civil Aviation Administration (NCAA) |
| San Marino | Autoritâ per l'Aviazione Civile e la Navigazione Marittima (CAA-MNA-SMR) |
| Saudi Arabia | General Authority of Civil Aviation (GACA) |
| Serbia | Center for investigation of accidents in transport of the Republic of Serbia |
| Serbia | Civil Aviation Directorate |
| Seychelles | Seychelles Civil Aviation Authority (SCAA) |
| Singapore | Air Accident Investigation Bureau of Singapore |
| Singapore | Civil Aviation Authority of Singapore |
| Singapore | Singapore Aviation Academy |
| Slovakia | Civil Aviation Authority |
| Slovenia | Civil Aviation Authority |
| South Africa | Air Traffic and Navigation Services |
| South Africa | Civil Aviation Authority |
| Spain | Aeropuertos Españoles y Navegación Aérea |
| Spain | Agencia Estatal de Meteorología |
| Spain | Agencia Estatal de Seguridad Aérea |
| Spain | Comisión de Investigación de Accidentes e Incidentes |
| Spain | Dirección General de Aviación Civil |
| Spain | ENAIRE |
| Sri Lanka | Civil Aviation Authority |
| Sudan | Civil Aviation Authority |
| Suriname | Civil Aviation Department of Suriname |
| Sweden | Swedish Transport Agency |
| Switzerland | Federal Office for Civil Aviation (FOCA) |
| Switzerland | Skyguide |
| Syrian Arab Republic | Syrian Civil Aviation Authority |
| Thailand | Aeronautical Radio of Thailand Ltd. (AEROTHAI) |
| Thailand | Civil Aviation Authority |
| Togo | Agence Nationale de l'Aviation Civile (ANAC) du Togo |
| Tonga | Tonga Airports Limited (TAL) |
| Tonga | Tonga Meteorological Services |
| Trinidad and Tobago | Civil Aviation Authority |
| Tunisia | Office de l'aviation civile et des aéroports |
| Turkey | Directorate General of Civil Aviation |
| Uganda | Civil Aviation Authority |
| Ukraine | State Aviation Administration |
| United Arab Emirates | Department of Civil Aviation |
| United Arab Emirates | General Civil Aviation Authority (GCAA) |
| United Kingdom | Air Accidents Investigation Branch |
| United Kingdom | Air Safety Support International |
| United Kingdom | CAA International Ltd |
| United Kingdom | Civil Aviation Authority |
| United Kingdom | NATS |
| United Republic of Tanzania | Tanzania Civil Aviation Authority (TCAA) |
| United States | Aviation Safety Reporting System (NASA ASRS) |
| United States | Federal Aviation Administration |
| United States | Homeland Security |
| United States | National Transportation Safety Board |
| United States | Satellite Navigation Product Teams, Federal Aviation Administration |
| United States | Transportation Security Administration |
| Uruguay | Dirección Nacional de Aviación Civil e Infraestructura Aeronáutica (DINACIA) |
| Venezuela (Bolivarian Republic of) | Instituto Nacional de Aviación Civil (INAC) |
| Viet Nam | Civil Aviation Authority of Viet Nam |
| Yemen | Civil Aviation and Meteorological Authority (CAMA) |
| Zambia | Department of Civil Aviation |
| Zimbabwe | Civil Aviation Authority |
