What type of aircraft are these?
Answer the question succinctly with one word or a brief phrase.

biplanes

What type of planes are these?

biplanes

What color are the people on top of the planes wearing?

red

What is being emitted from the backs of these planes?

smoke

What are the name of these planes?

biplanes

How many aircrafts are flying?

2

Which planes are driven by propellers?

both