Societe Anonyme de Travaux Dyle et Bacalan
The naval dockyard Societe Anonyme de Travaux Dyle et Bacalan formed an aeronautical company in Paris in 1925 to develop an all-metal civil and military aircraft. Societe Aerienne Bordelaise was controlled by the Nieuport- Delage company. Production included the Bordelaise D.B.70, a twin-fuselage tri-motor design with accommodation for 20 passengers. A military version, designated A.B.20, had four engines.
Renamed Societe Aerienne Bordelaise in 1930.