biplane with tractor piston-propeller engines (Q126182106)
aircraft with 2 main lifting surfaces powered by reciprocating engines driving forward-facing propellers
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aliases biplane with forward-facing piston-propeller engines
 biplane with puller piston-propeller engines
 tractor-piston-prop biplane
 biplane with tractor piston engines, prop
description aircraft with 2 main lifting surfaces powered by reciprocating engines driving forward-facing propellers