biplane with piston-propeller engines (Q71382826)
aircraft class with 2 main lifting surfaces powered by reciprocating engines driving propellers
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aliases piston-engine biplane
 piston-prop biplane
 biplane with propellers, piston
 biplane with piston engines, prop
 airplane with piston-propeller engines, biplane
description aircraft class with 2 main lifting surfaces powered by reciprocating engines driving propellers