a bi-wing, conventional tail, 4 engine, fixed gear aircraft. that's how i would describe Boxglow's Super Transport, added as a stock plane in Version 1.1 under the name biplane.

now let's take that description and go find a real world counterpart.

You might only find one, because there is only one. and it first flew back in 1914. designed by Sikorsky, yes THAT Sikorsky while he was still Russian, the Ilya Muromets was a 4 engine, biplane, conventional tail, multipurpose aircraft that served as a luxury airliner (flying RV), cargo plane, bomber, and gunship in the great war.

Please ignore the wings in the designer menu. they look normal in flight.
do not exceed 10 degrees climb.
you may find a lack of details in the cockpit. this is because this is a WWI era aircraft.