Varig Porto Alegre, by Otto Ernst Meyer-Labastille, a German aviator decorated in the World War I, who immigrated to Brazil in 1921 and noticed how necessary air transportation was for a large country like Brazil. Varig was an off-spring of the German trade company and airline Condor Syndikat, thus sharing the same origin as Syndicato Condor, later renamed Serviços Aéreos Cruzeiro do Sul. Condor Syndikat gave the initial operational and financial support and for a short time Varig and the sister-company Syndicato Condor operated in partnership. The first aircraft of VARIG was a ten-passenger Dornier Do J Wal flying boat, transferred
Varig airlines, on Varig acquired a controlling interest in Cruzeiro do Sul, which was in a particularly delicate economic situation. Cruzeiro do Sul was fully integrated into VARIG on . On , the Brazilian Federal Government created the Brazilian Integrated System of Regional Air Transportation and divided the country in five different regions, for which five newly created regional airlines received a concession to operate air services. Rio-Sul Serviços Aéreos Regionais S/A was the fourth of those regional airlines to be made operational and it was established by Varig in partnership with Top Táxi Aéreo, Bradesco Bank, and Atlântica-Boavista Insurance. Its