Unlike ICAO and the FAA, the EU assesses the safety and performance of
individual carriers. As with the FAA IASA audit, an EU assessment is not directly
linked to an IATA USOAP audit or an FAA IASA audit. A key criterion for an EU
assessment is whether the civil aviation authorities can properly implement and
enforce safety standards and an expressly stated requirement for assessment is a
focus on ICAO USOAP audits and corrective action plans.
In the face of a downgrade by both ICAO and the FAA, it is difficult to see the EU
not taking steps to assess individual Thai carriers, particularly those providing
services between Thailand and the EU and those in code share arrangements with
EU carriers. The EU blacklisted Philippine carriers following the downgrading of
the Philippine CAA by both ICAO and the FAA.