In addition, military aircraft, private jets, and other types of aircraft may have speeds that are higher or lower. Big commercial airplanes generally fly in the MPH range, but their landing and taking-off speeds are naturally going to be different.
As a general rule, airspeed is measured according to the velocity of the plane as it flies through the air. Wind resistance can affect that speed more than anything else, and if takeoff and landing speeds vary it is due to overall weight capacity or runway length, among other factors.
They publish these sheets for every make and model of aircraft in use today and are therefore a great way to get this type of information.
If you love speed, private jets are the way to go. For example, the Aerion AS2, which can fly from New York to London in a little under three hours, can fly at an impressive 1, miles per hour, which is difficult for some people to even comprehend.
Two of the fastest private jets — the Gulfstream G and the Cessna Citation X — can fly at speeds of more than miles per hour, which proves that private jets do an amazing job of getting you from Point A to Point B quickly and safely. There are so many different types of military planes that it is difficult to determine an estimated speed, but here are a few facts.
The SR set a record in when it flew at a very impressive speed of more than 2, miles per hour. In between these extremes, however, are military planes that fly at , , and several thousand miles per hour. Of course, there are also single-engine planes, which on average can travel at around miles per hour. Careful calculations are performed by the pilots prior to each takeoff to determine the needed thrust to meet all the takeoff requirements.
If a reduced thrust takeoff is being made, the ground run may be slightly longer. An average commercial jet accelerates to between and knots prior to liftoff. To do this in 30 to 35 seconds requires a good sustained acceleration. This is something that pilots look for during a takeoff roll. Q: I live in Frankfurt, Germany, and from the city center have a great view of aircraft on approach for landing. I tried to figure out a pattern with aircraft, airline, etc. What determines when the landing gear is lowered?
A: There are many variables involved in the timing of landing-gear extension. These include the airline's operating procedure, whether an instrument approach is necessary to land, the speed of the airplane, the altitude of the airplane and others.
As an example, the extra drag of the landing gear can increase the descent rate or help slow the airplane, so it may be extended earlier if the airplane has excess speed or altitude on approach.
When the landing gear is extended, there is extra drag causing extra fuel burn. Pilots fly as fuel efficiently as possible. Consequently they will leave the gear retracted as long as they can. Each flight is different, resulting in the differences you see in the extension of the landing gear.
John Cox is a retired airline captain with U. Airways and runs his own aviation safety consulting company, Safety Operating Systems.
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