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
Croatia Airlines Airbus A320 arrived and was named "Rijeka". In 1998, another first plane of a new type arrived when the airline's first Airbus A319 joined the fleet. This airplane was named "Zadar". In the same year, Croatia Airlines became a member of the Association of European Airlines (AEA). By 1999, two more Airbus jets had arrived and Croatia Airlines started selling the Boeing part of their fleet. The airline flew its five millionth passenger. In 2000 two more Airbus planes arrived and an automated ticketing system was inaugurated. In 2001 the airline received maintenance and technical performing certificates from the German