Currently, Jet Blue operate the following fleet:
Airbus A320-200 (120)
Embraer 190 (49)
They do have more planes on order- again mainly airbus type aircraft.
Jet planes fly with the help of Thrust and Lift produced by the jet engines.
its engines
Most commercial jet liners fly in the stratosphere. Some military aircrafts fly higher than that. Small planes fly lower than the jet liners.
It really depends on what the size of the jets. The Airlines fly from 32,000 to 38,000 feet.Normal Jet Planes fly at about 30,000 feetMilitary Jet planes fly anywhere from 100 feet all the way up to 80,000 (Some do go higher but those are for special occasions)
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stratusphere
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Small planes fly at 100 to 200 mph. Airliners fly around 350 to 500 mph. Jet fighters fly faster.
Not as a rule, although many are pilots.
jet de go 2
because of weather phenomena
A large jet can get over 12 Kilometers