Air Zaïre the government. Part of the contract with Sabena saw the Belgian airline train Air Congo personnel for a six-year period, and by the end of 1962 Air Congo had 2,400 employees, of which some 1,100 were seconded from Sabena. By this time the airlines' destinations included Entebbe, Lagos, Nairobi, Ndola, Salisbury and Usumbura. Jet service to Brussels was inaugurated in March 1963 utilising a Boeing 707 which was leased from Sabena, and in April 1963 the airline joined the International Air Transport Association, becoming the 94th overall member. The airline signed an agreement with French airline Union des Transports Aériens
Sabena had a domestic network that was mainly used by businessmen who wanted to be in their coastal villas for the weekend. In 1938, the airline purchased the new Savoia-Marchetti SM.83, a development of the S.M. 73 with a speed of 435 km/h (270 mph), although it flew services at a cruising speed of about 400 km/h (250 mph). At the outbreak of World War II in 1939, Sabena's fleet totalled 18 aircraft. Its mainstay fleet type was the Savoia-Marchetti SM.73 airliner (it had 11 of the type) and the Junkers Ju 52/3m airliner (it had five). Sabena also had just