Do airliners do a run up?

Question: Why don't jets do run-ups like piston aircraft? Answer: Turbine engines (jets and turboprops) do not need the same kind of preflight checks as piston engines. The run-ups executed by pilots of piston-engine airplanes allow them to check the ignition system for the spark plugs, plus the propeller controls.



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In order for a plane to take off, it must be going fast enough for the wings to generate enough lift to overcome the force of weight. A Boeing 747 under standard conditions must be going 296kph (184 mph) to take off. Additionally, weather factors can affect the ground speed need for takeoff.

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This is because landing can place additional strain on a jet. When a plane lands heavily, it can hit the ground too hard and damage itself. During an emergency, a jet may be forced to land earlier than anticipated. This is where fuel dumping comes into play.

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Pilots typically fly the plane during take off and landing. The pilot manually controls the plane until it reaches the required height. This usually only takes about five minutes. After that the pilot will usually engage the auto-pilot.

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If it's severe turbulence then yes, and if there are very strong crosswinds during takeoff or landing then the pilot can feel nervous about it.

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It could suck you in and less than a second later blow you out the rear as a lovely pink mist, then the engine will likely explode. Why don't high bypass jet engines have a variable pitch on the engine fan?

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The safest commercial aircraft models have exceptional safety records, such as the Embraer ERJ, Airbus A380, Boeing 767, Airbus A319neo, and Bombardier CRJ-700.

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