Sabena Flight Academy to the Saab Safir 91B, replaced in 1958 by the Cessna 310B and in 1981 by the Embraer Xingu. In 1991, the government gifted the "École d’aviation civile" to Sabena. It was first renamed Belgian Aviation School and then Sabena Air Training Center, and the school moved into a new building at Brussels National Airport. It was decided to carry out practical flight training in Phoenix in the USA because the weather in Arizona allows flights 365 days per year in a high and complex air traffic environment. Despite the bankruptcy of Sabena in 2001, the flying school continued in
National Airline History Museum Martin 4-0-4s built. TWA operated 40 in their fleet along the U. S. east coast, while strong competitor Eastern Airlines operated the largest 4-0-4 fleet, flying 60 aircraft along that airline's eastern seaboard route, including in and around Florida. The museum's Martin 4-0-4 has not flown in years. As part of the National Airline History Museum’s reorganization plan, which began in 2011, a maintenance inspection of the Martin 4-0-4 was completed in August 2011 to determine the feasibility of returning the aircraft to flying status. Rumors of extensive corrosion and insurmountable mechanical problems were found to be untrue, and a