At night - or in bad weather where visibility is too poor to fly by using landmarks.
No only on planes.
Of course, planes can fly.
Nobody can fly only birds ,planes and helicopters so no
by using lots of fuel and by going very fast.
As opposed to flying what else - -
it can fly
Stop using the iterate to answer your book reports
Only for short periods.
Only jet fighter planes break sound barrier now.
How do heat engine allow planes to fly
They both fly. The only difference is that a ballon has helium to make it fly but air planes use gas to make it fly.
plane fly in sky