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
European Regions Airline Association Single European Sky", a set of proposals to strengthen the legislative basis for the Single European Sky. In July 2013, when the European commission called for all state subsidies for airports to end within 10 years, the ERA criticized the proposal, arguing that this decision will have a negative impact on the development of regional airlines and airports. In 2014, the ERA pledged for a hiatus of the European Union Emissions Trading System until a compromise with other international authorities could be reached. The European Regions Airline Association makes an annual regional "Airport of the Year" award, which in 2016