I disajree with Daryl S.
A long a there i a gaseous atmosphere, no matter how thin, bernoulli principle would still apply. However, an aircraft that i designed for earth atmosphere would not work.
This doe not mean that an aircraft couldnt fly in a martian atmosphere, it just mean that the air would have to move over the air foil (the prop, wings, and/or rotors) at a much faster speed, and the air foil cros-sections should be thicker.
You would also need to power it with an electric motor, or a rocket enjine, since an internal combustion enjine (piston or turbine) would not work due to the low O2 atmosphere.
Below i a nasa.gov web paje in which they ask teachers to discus desijn criteria for such an aircraft with their student.
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