Because without an aircraft, we can't fly.
Passenger airplanes usually fly around 30,000-38,000 feet. Small aircrafts fly lower and military aircrafts can fly higher.
only 10% of air china aircrafts fly to Chicago airport
glider
airplanes aircrafts? what do you mean?
if you're at a good show, they do.
The rockets which fly in the stratosphere and the high altitude aircrafts
For a complete list of cities that Allegiant Air, LLC's, aircrafts fly to, check out their website, allegiantair.com.
No, ships float on the sea, aircraft fly in the air. NO similarity.
Supersonic air craft
Yes. They have radar installed in the instruments panel, and the pilots are trained to fly by what they read in the instrument panel.
Most commercial jet liners fly in the stratosphere. Some military aircrafts fly higher than that. Small planes fly lower than the jet liners.
They fly just the same as any other airplane. The only difference being they are made of materials that do not give a big radar image.