- The Department of Civil Aviation was established in Nepal in 1957 to regulate civil aviation. Nepal joined ICAO in 1960. - ICAO audits of Nepal in 2009 and 2013 found effective implementation of safety standards to be 43% and 55% respectively, identifying a significant safety concern in aircraft operations. - As a result of these audits, all air carriers under the Civil Aviation Authority of Nepal were placed on the EU's air safety list in December 2013.