Certificates Share on Facebook Share on X The DAC is the competent authority for the issuance of the certificates listed below: Aerodrome certification Changes for certified aerodromes ATCO Training Organization Certification Commercial Air Transport (CAT) Non-commercial Operations with complex motor powered aircraft (NCC) Non Commercial Operations with other than complex motor powered aircraft (NCO) Specialized Operations (SPO) EASA acoustic certificates for airplanes and helicopters ANSP Certification