The Boeing C-700 was a development of the Model 5. Boeing (on the float) and Edward Hubbard put this aircraft to work in 1919 carrying mail between Seattle and Victoria B.C. and to ships at sea.
The first internation airmail flight was made from Vancouver to Seattle on 3 May 1919 by Eddie Hubbard and Bill Boeing. A pouch of 60 letters was carried in the C-700.
Powered by a Hall-Scott water-cooled four-cylinder of 100 hp, the cruise was 60 mph.
All Aero 