Friedrichshafen FF.63

The Friedrichshafen FF.63 was a German experimental floatplane produced by Flugzeugbau Friedrichshafen.
Development and design.
The FF.63 was an experimental monoplane floatplane powered by one Benz Bz.IV. Its first flight took place in August 1918, only shortly before the Armistice that ended all further development. Only one was built.