A bilateral aviation safety agreement (BASA) is an agreement that provides for civil aviation certifications to be shared between two countries.
[1] The European Aviation Safety Agency (EASA) currently maintains BASAs with the FAA, the Transport Canada Civil Aviation (TCCA), the National Civil Aviation Agency of Brazil (ANAC),[2] and the Civil Aviation Administration of China (CAAC).
[3] The FAA has had a BASA with TCCA since 12 June 2000.
[4] This particular BASA has in Article 5 a sixty-day cancellation notice period.
[5] The Civil Aviation Authority of the United Kingdom has had a BASA with the TCCA since 1 January 2021.