It was truly an imposing sight, especially the turboprop engines.

This early design was a forerunner of the turboprop engine.

It was also the first light aircraft in America to be designed to accommodate a turboprop engine.

The plane is driven by a turboprop engine, which makes it fast.

The next step was fitting the Kruk with a turboprop engine.

It is the most powerful turboprop engine ever built.

The NK-12 remains the most powerful turboprop engine ever built.

The most obvious is the 1,000-shp turboprop engine in a lengthened nose.

The turboprop engine shuddered quickly to a stop and she gave the signal to shut down the other one.

In a matter of seconds smoke was pouring from the four turboprop engines.