Why are runways so long




















In the scene that we're interested in, a huge cargo plane lands on a runway where it is chased by fast cars and furious men and women. I'm not going to spoil the film for the unlucky people who haven't managed to see it yet. Spoiling the film is the job of the movie trailer I won't be talking about anything that isn't in the trailer. Some cars manage to drive on to the plane through the cargo doors at the back. The plane carries on taxiing for several more minutes before trying to take off.

At which point the furious men use their cars to pull down the wings to stop the plane flying away. Decreased atmospheric pressure also results in reduced engine thrust because the engine has less oxygen to burn. This means the aircraft must travel at a greater speed and for a longer distance to achieve a safe takeoff. The same principles that apply to elevation also apply to temperature. The higher the temperature, the lower the atmospheric pressure, the longer the runway needs to be. Rest assured, it is!

Commercial pilots are required to calculate the runway length required for their respective aircraft based on fuel, payload, temperature, and elevation to assure they are within runway tolerances. The signs are typically placed on the left side of the runway, as viewed from the most commonly used runway direction. When my daughter was young, she, along with her stuffed animals, would gaze out the window during take-off and count down the numbers on the "big black signs. By accessing and using our website you agree to our use of cookies and the collection of your personal information as described in our privacy policy.

Stantec values our relationship with you and is committed to protecting your personal information. Extra stopping distance may be required due to a slippery runway, perhaps lightly coated by snow. In fact, the airport and runway are situated 4, meters above sea level. As we alluded to above, high altitude affects engine performance and the ability for wings to acquire the lift needed to get the aircraft airborne.

Are you at all surprised by the longest runways in the world? Let us know in the comments.



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