Sabena served by the airline. Sabena used landplanes for its Congo operations and a program of aerodrome construction was initiated in the Congo. This was finished in 1926 and Sabena immediately began flights within the Belgian colony, the main route being Boma-Léopoldville-Élisabethville, a 2,288 km (1,422 mi) route over dense jungle. First, flights were operated with De Havilland DH.50s, although these were quickly replaced by the larger Handley Page W.8f which had three engines and offered ten seats. By 1931 Sabena's fleet, including the aircraft used on the Congo network, totalled 43 aircraft. Its mainstay type was the Fokker F.VIIB with
Iberia (airline) airline with a flight Madrid-Lisbon. In 1940 the government gave the monopoly of national air transport to Iberia (this fact changed 6 years later when the government liberalizate the national air traffic for the private airlines), this privilege helped the company to start building as an important international airline, which had not been until then. The airline was nationalised on 30 September 1944 and became part of Instituto Nacional de Industria. The policy of the company was to separate itself from the German orbit to which it had been linked in its first years, and establish relations with the United