 Following the establishing of communism in Czechoslovakia in 1948, Bata Shoes was nationalised, and the airline was re-organized as Svitlet.When in 1950 CSA was established as state airline of Czechoslovakia, Svitlet was transformed into a CSA-department, operating as Agrolet henceforth.In 1955, Agrolet became independent again as a utility airline mainly for agricultural flights.