Gressholmen, a small island in the Oslo Fjord, was Norway's international airport until 1939. The sole example of the Ro V Rocco first flew in May 1927. The covert military Severa company and Lufthansa flew it off it against the Dornier Do R Superwal and it served on the Travemünde - Copenhagen - Gothenburg - Oslo route in May and June 1928. Photo from: Nasjonalbiblioteket (Norway)
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