The Ethiopian Civil Aviation Authority (ECAA, Amharic: የኢትዮጵያ ሲቪል ኤቪዬሽን ባለሥልጣን?) is an agency of the Ministry of Transport and Communications of the Government of Ethiopia. It was established under Proclamation No. 273/2002.
The Ethiopian Civil Aviation Accident Prevention and Investigation Bureau conducts aircraft accident investigations in Ethiopia or involving Ethiopian aircraft. The Flight Safety Department of the Ethiopian CAA conducted aircraft accident investigations in Ethiopia and/or involving Ethiopian aircraft.
On 3 December 1996 the Direction Generale de l'Aviation Civile des Comores of the Comoros agreed to delegate the investigation of Ethiopian Airlines Flight 961 to the ECAA.