Rodolphe Marchais leasing and aircraft maintenance activities, through its subsidiaries, TAT leasing and Sabena technics. In a decade, TAT Group increased its maintenance activity and took part in a concentration movement in a fragmented market: it acquired successively AOM Industries in 2000, Sabena technics (at the time maintenance subsidiary of the Belgian National Airline) in 2005 and EADS Sogerma Services as well as EADS Barfield in 2007, making his subsidiary, Sabena technics, the world’s third largest independent MRO. Today, Sabena technics has all the necessary skills and agreements to perform maintenance on a large range of narrow and wide-body aircraft (Airbus, Boeing,
Airline teletype system although it is now owned by Rockwell Collins. In 1949, the Société Internationale de Télécommunication Aeronautique (SITA) was formed as a cooperative by 11 airlines: Air France, KLM, Sabena, Swissair, TWA, British European Airways, British Overseas Airways Corporation, British South American Airways, Swedish AB Aerotransport, Danish Det Danske Luftfartselskab A/S, and Norwegian Det Norske Luftfartselskap. Their aim was to enable airlines to be able to use the existing communications facilities in the most efficient manner. Morse code was the general means of relaying information between air communications stations prior to World War II. Generally, it was only necessary to relay