Wings Club
... that Igor Sikorsky told the Wings Club in 1964 that the helicopter would not be replaced by vertical take-off and landing aircraft?
... that <a href="./Igor_Sikorsky" id="mwBn4" rel="mw:WikiLink" title="Igor Sikorsky">Igor Sikorsky</a> told the <b id="mwBn8"><a href="./Wings_Club" id="mwBoA" rel="mw:WikiLink" title="Wings Club">Wings Club</a></b> in 1964 that the <a href="./Helicopter" id="mwBoE" rel="mw:WikiLink" title="Helicopter">helicopter</a> would not be replaced by <a href="./VTOL" id="mwBoI" rel="mw:WikiLink" title="VTOL">vertical take-off and landing aircraft</a>?