Friedrichshafen FF.19
... that the Friedrichshafen FF.19 became the first German aircraft to conduct successful tests with wireless telegraphy?
... that the <b id="mwAwo"><a href="./Friedrichshafen_FF.19" id="mwAws" rel="mw:WikiLink" title="Friedrichshafen FF.19">Friedrichshafen FF.19</a></b> became the first German aircraft to conduct successful tests with <a href="./Wireless_telegraphy" id="mwAww" rel="mw:WikiLink" title="Wireless telegraphy">wireless telegraphy</a>?