crash of an Australian National Airways Stinson
... that the crash of an Australian National Airways Stinson in 1945 was believed by investigators to be the first in-flight structural failure attributable to metal fatigue?
... that the <b id="mwBqY"><a href="./1945_Australian_National_Airways_Stinson_crash" id="mwBqc" rel="mw:WikiLink" title="1945 Australian National Airways Stinson crash">crash of an Australian National Airways Stinson</a></b> in 1945 was believed by investigators to be the first in-flight structural failure attributable to <a class="mw-redirect" href="./Metal_fatigue" id="mwBqg" rel="mw:WikiLink" title="Metal fatigue">metal fatigue</a>?