Air Zaïre airline was also operating Curtiss C-46s and DC-4s equipment, leased from Aerovias Panama Airways to complement the Sabena-leased aircraft. After the Republic of the Congo gained independence from Belgium in 1960, the Belgian national airline Sabena continued to operate routes in the country. Plans for the formation of a Congolese airline were delayed due to the Congo Crisis; however, in January 1961 a protocol was signed with Sabena for the creation of a limited liability company to be named "Air Congo". On the company was formed, and incorporated on 28 June with Sabena providing technical assistance and personnel. The Congolese
Sabena planes were part of a record-order of 34 Airbus A320 family aircraft, imposed on Sabena when under Swissair management. After an airline recession and the effects on the airline industry of the September 11 attacks in 2001, all airlines that flew across the Atlantic suffered. Swissair had pledged to invest millions in Sabena but failed to do so, partly because the airline had financial problems itself, having filed for bankruptcy protection one month prior. The company filed for legal protection against its creditors on 3 October, and went into liquidation on 6 November 2001. Fred Chaffart, Chairman of the Board