On 1 May 2011 entered into force the Agreement between the USA and the EU on cooperation in the regulation of civil aviation safety.


The consolidated version of the 'Agreement between the USA and the EU on cooperation in the regulation of civil aviation safety' (BASA) has been prepared by EASA in order to provide stakeholders with an updated and easy-to-read publication. It has been prepared by combining the officially published corresponding text of the BASA, and all amendments to the BASA annexes adopted so far by the Bilateral Oversight Board. However, please keep in mind that this document is not an official publication. This document cannot carry the same validity as an official legal text published in the Official Journal of the European Union, as it cannot be guaranteed that all recent amendments to the legislation are immediately included in the consolidated publication. Therefore, please understand that the Agency cannot accept liability of any kind resulting from the risk inherent in the use of this document. Readers are invited and encouraged to report to international [at] easa [dot] europa [dot] eu any perceived errors, or comments relating to this publication.

Note on the territorial applicability of the EU-US BASA

Article 12 of the EU-US BASA defines that the Agreement applies to “[…] the United States civil aviation regulatory system as applied in the territory of the United States of America, and on the other hand, to the European Community civil aviation regulatory system as applied in the territories in which the Treaty establishing the European Community is applied […]”. Therefore the Agreement does not apply to Norway, Iceland, Switzerland and Liechtenstein, which are EASA Member States and Members of the EASA Management Board, but are not Member States of the European Union. 

Validation Improvement Roadmap

Please find below a letter addressed to the Aviation Community introducing the FAA and EASA partnership aimed at developing a Validation Improvement Roadmap (VIR).

To illustrate the objectives of the FAA/EASA VIR and track our progress, we created a presentation that summarizes the goals of the VIR according to focus areas and identifies the near term initiatives for 2016 and 2017.

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