Societe D'etudes Et De Constructions Aero Navales
Subsidiary of Usines Chausson of automotive industry. After Second World War undertook to produce all-metal light aircraft. Resulted in Courlis twin-boom monoplane of 1946, with tricycle landing gear and special loading arrangements. After 1950 concentrated on components, including Speedpak freight container for Lockheed Constellation, and external tanks for fast aircraft.