20 Dec 2013 Singapore Working arrangement category Working Arrangements Downloads Downloads [pdf] Arrangement on enhanced co-operation about the oversight of the airbus A380 fleet [pdf] Working Arrangement between the CAAS and EASA on the EU SAFA Programme [pdf] WA between EASA and CAAS on cooperation in the domain of Wake Turbulence Separation and Aircraft Categorisation Standards [pdf] WA between EASA and CAAS on Airworthiness Certification [pdf] Amendment to WA on Airworthiness Certification [pdf] WA between EASA and CAAS on maintenance organisations [pdf] Implementation Procedures to the Working Arrangement between EASA and CAAS on maintenance organisation