In 1925 the well-established naval ship builders Société Anonyme de Travaux Dyle et Bacalan, based in Bordeaux,[1] developed an aircraft manufacturing interest.

In most respects the DB-10 was a conventional design for its day but it had one feature, a very thick wing centre section blended into the fuselage, which was also to become a characteristic of later Dyle et Bacalan aircraft.

The DB-10 had a fixed, conventional undercarriage with each single, partly cowled, mainwheel mounted on a parallel pair of V-shaped struts behind the engines.

[3] The DB-10 was entered into the 1926 French government BN3 competition for a new three man night bomber, held at Villacoublay where it flew against such aircraft as the Amiot 122, the Farman F.123, the Latécoère 19 and the eventual winner the Lioré et Olivier LéO 20.

Data from Flight December 1926,[2] Air International:Plane Facts: The French "Burnelli",[4] Aviafrance:Dyle et Bacalan DB-10,[3] Jane's all the World's Aircraft 1928[5]General characteristics Performance Armament