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Triplane
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<p>A triplane is a <a href="/facts/Fixed-wing_aircraft/0DQQP2rB">fixed-wing aircraft</a> equipped with three vertically stacked wing planes. <a href="/facts/Tailplane/cBGTeTwM">Tailplanes</a> and <a href="/facts/Canard_(aeronautics)/f7x8A5Un">canard</a> foreplanes are not normally included in this count, although they occasionally are. </p>