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Bilateral Air Service Agreements (BASAs) and EU horizontal Agreements
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WASA is an on-line document repository containing the actual texts of bilateral agreements and amendments in languages available. The documents are filed by Member States in accordance with Article 83 of the Chicago Convention or alternatively agreements and amendments are integrated from other sources such as official national websites. Each agreement has been thoroughly analyzed and main provisions have been codified to provide for extended analytical functionalities. A built-in search engine enables to query and analyze agreements per specific provisions, review the corresponding text in the agreements, facilitate route planning as well as to geographically visualize the network of air traffic rights. The professional subscription also gives access to the extensive ICAO Legal Documents Library.

The ICAO Advantage


Over 2900 agreements and amendments, regularly updated


Over 90 categories analyzed for each bilateral agreement (searchable)


Unique, constantly growing, database of ASAs on a global scale since 1945


Access to all publicly available air service agreements and amendments for analytical purposes as well as route planning and code sharing


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