Compagnie des Transports Aéronautiques du Sud-Ouest

RHS (Red de Hidroaviones del Cantábrico) was formed in approx. 1919 as one of the first Spanish airline companies. It was situated in the Basque city of Bilbao, in the north of Spain. The aim of the company was to open an air service by flying boats from Biarritz (France) to San Sebastian and Bilbao to Santander. In order to achieve this goal the company started a co-operation with the French airline company Compagnie des Transports Aéronautiques du Sud-Ouest, which possessed aircraft and had operated since Aug1919 a service between Biarritz and Bordeaux. This airline company was during the winter re-organised into the CFB (Compagnie Franco-Bilbaïne de Transports Aéronautiques). During the summer of 1920 CFB operated the air service between Bayonne and Bilbao, which turned out to be a mixed success. During the winter of 1920-21 the service was closed down, but resumed on 5 April again. In 1921 it was prolonged to Santander, but low traffic led to a closure of the service at the end of 1921. The French partner ceased to exist and after this RHC was dissolved as well

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