An item referred to the magazine Marine Rundschau dated April 1935 reporting that the Clipper Martin fly boats were used by the Pan American Airways for trans pacific transport between California and China and later perhaps the North Atlantic Ocean. Weight of 25 tons and a range of 6.500 kilometres. Horsepower 3.200 hp. Length hull 27 [27,70 metres and a wingspan of 40 [39,70 metres. Except for 500kilo of mail was accommodation for 46 passengers. The crew numbered 4 men.
