Delta Air Transport acquired a 49 percent stake in DAT, and an increasing number of flights were operated on behalf of the Belgian national airline henceforth (also adopting the airline codes of Sabena), using a fleet of British Aerospace 146 aircraft, in favor of which other airliners were gradually phased out. DAT became a member of the European Regional Airlines Association in 1993. In 1996, Sabena bought the remaining KLM stake, thus DAT became a wholly owned Sabena subsidiary, moved its headquarters from Antwerp to Brussels and was re-branded as DAT Belgian Regional Airline, offering low-cost flights. Gradually, the livery of Sabena was
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