the first fatal accident
... that the first fatal accident suffered by Imperial Airways led to the first Public Inquiry into a civil aviation accident in the United Kingdom, and the expansion of Croydon Airport?
... that <b id="mwCbY"><a href="./1924_Imperial_Airways_de_Havilland_DH.34_crash" id="mwCbc" rel="mw:WikiLink" title="1924 Imperial Airways de Havilland DH.34 crash">the first fatal accident</a></b> suffered by <a href="./Imperial_Airways" id="mwCbg" rel="mw:WikiLink" title="Imperial Airways">Imperial Airways</a> led to the first <a href="./Public_inquiry" id="mwCbk" rel="mw:WikiLink" title="Public inquiry">Public Inquiry</a> into a civil aviation accident in the <a href="./United_Kingdom" id="mwCbo" rel="mw:WikiLink" title="United Kingdom">United Kingdom</a>, and the expansion of <a href="./Croydon_Airport" id="mwCbs" rel="mw:WikiLink" title="Croydon Airport">Croydon Airport</a>?