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Hey guys, this is Collin with Easy Aviation English and I've got a quick lesson on runway
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markings. The "Threshold" shows the beginning of the runway where an airplane can land.
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The "Centerline" helps the pilot maintain the airplane right in the middle of the runway.
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The "Aiming point" acts as a reference to touch down in the "Touchdown zone". A runway
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may also have a "Displaced threshold". A displaced threshold is an extended area for an airplane
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to takeoff but not land. A "Blast pad" is an area to protect objects and people from
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jet wash. But what is "Jet wash"? Jet wash is fast moving air created by a jet engine.
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Another word to remember since we're talking about runways is "Wind sock". A wind sock
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measures a winds direction and velocity. Thanks again for watching this video and if you want
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to learn more about aviation english then visit my website at www.easyaviationenglish.com
