Friedrichshafen FF.1
... that there was only one Friedrichshafen FF.1 aircraft and it was destroyed in a crash?
... that there was only one <b id="mwAZs"><a href="./Friedrichshafen_FF.1" id="mwAZw" rel="mw:WikiLink" title="Friedrichshafen FF.1">Friedrichshafen FF.1</a></b> aircraft and it was destroyed in a crash?