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a French twin-seat, single-engine biplane flight training aircraft designed in 1920. The side-by-side seating arrangement was unique for its time. 150 aircraft were built, 125 for the French Air Force, who used them until 1936.
The Finnish Air Force purchased two S.34s in 1921. Due to inadequate maintenance they did not last long and were withdrawn from service by 1925.

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The Mechanical Engineering Department at the University of Balamand was involved in researching the Lebanese aviation heritage since the arrival of the first aeroplane to Lebanon in 1913 up until the modern times. During its
investigations, the Department discovered that a series of light training aeroplanes were built at the air base of Rayak in the Beka’a valley in 1943. This was a major finding which, without the efforts of the Department,
would have been lost forever, thus depriving Lebanon from a main aspect of its technological history. The type was named Rayack-43 after the place and year of manufacture, and was constructed by French and Lebanese personnel during the French mandate This aircraft was based on the Caudron C600-Aiglon. The prototype was flown in March 1944.

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