Air Operator's Certificate(An Air Operator's Certificate (AOC) in Europe or an Air Carrier Operating Certificate in the US is an official document issued to an airline by its national safety regulator. It attests to the airline's competence regarding its ability to conduct a safe operation and clearly defines who is in charge of its safety oversight (normally the national aviation authority). It therefore constitutes the key link to safety oversight. wikipedia.orgSukhopleschenko)
