On 20 August 1935, the prototype flew from Seattle to Wright Field in nine hours and three minutes with an average cruising speed of 252 miles per hour (406 km/h), much faster than the competition.
August 1935 fløj prototypen fra Seattle til Wright Field på ni timer og tre minutter, med en gennemsnitlig hastighed af 406 km/t (252 mph), langt hurtigere end konkurrenterne.