ConvAirCar
... that the first prototype ConvAirCar crashed because its pilot read the wrong fuel gauge before takeoff?
... that the first prototype <b id="mwAYE"><a href="./Convair_Model_118" id="mwAYI" rel="mw:WikiLink" title="Convair Model 118">ConvAirCar</a></b> crashed because its pilot read the wrong <a href="./Fuel_gauge" id="mwAYM" rel="mw:WikiLink" title="Fuel gauge">fuel gauge</a> before takeoff?