Reposant sur des données de 2011, l'ASAP inclut des renseignements sur les accords communiqués par l'Organisation de l'aviation civile internationale ou dans les examens de politique commerciale de l'OMC, ainsi que des statistiques sur le trafic de passagers régulier fournies par l'Association du transport aérien international.

ASAP’s Air Liberalization Index provides a measure of the openness of each air services agreement. The index was devised by the WTO Secretariat in the context of its review of air transport services mandated by the General Agreement on Trade in Services (GATS), Information may be obtained by signatory or groupings of signatories.  The results are displayed on a world map along with the underlying data.

The Air Services Agreement Projector is available here.