- One of the factors that demonstrate whether Is Turkish Airlines Safe is its adherence to global safety certifications. Turkish Airlines is certified by the International Air Transport Association (IATA) through its IATA Operational Safety Audit (IOSA). This certification indicates that the airline meets strict international safety and operational standards. The airline is also subject to regular audits by aviation safety regulators such as the European Union Aviation Safety Agency. These certifications show that Turkish Airlines complies with the global safety regulations required for international air travel.