Aircraft under the Republic of China's registration, the owner or operator must apply for its airworthiness certification to the CAA. The Certificate of Airworthiness (Attachment 11) or Special Airworthiness Certificate (Attachment 12), as appropriate, will be issued when the aircraft is found to meet the airworthiness standards.Airworthiness certificates are classified as normal, acrobatic, utility, commuter, transport and balloon category aircraft.Special airworthiness certificates are classified as special flight permits and experimental certificates.Attachment 11 CERTIFICATE OF AIRWORTHINESS.odtAttachment 12 SPECIAL AIRWORTHINESS CERTIFICATE.odt