1. The Federal Aviation Administration (FAA) website: The FAA is the primary regulatory authority for civil aviation in the United States. Their website contains a comprehensive collection of aviation regulations, including the Federal Aviation Regulations (FARs) and Aeronautical Information Manual (AIM).
2. International Civil Aviation Organization (ICAO) website: ICAO is the international standards organization for civil aviation. Their website provides access to international aviation standards and regulations, including the Annexes to the Convention on International Civil Aviation.
3. European Union Aviation Safety Agency (EASA) website: EASA is the European Union's aviation safety agency. Their website contains information on aviation regulations and standards applicable in the European Union.
4. Civil Aviation Authority (CAA) websites: Each country has its own civil aviation authority responsible for regulating aviation within their borders. The websites of these authorities typically provide access to national aviation regulations and standards.
5. Industry associations: Industry associations such as the International Air Transport Association (IATA), the Aerospace Industries Association (AIA), and the National Business Aviation Association (NBAA) also provide information on aviation regulations and standards.
6. Legal databases: Legal databases such as LexisNexis and Westlaw provide access to a wide range of legal documents, including aviation regulations.
It's important to note that aviation regulations can change frequently, so it's essential to refer to the latest official sources to ensure accurate and up-to-date information.