What is the danger of tailwind?

Even a bit of tailwind can be a hazard. Tailwind conditions can have adverse effects on aircraft performance and handling qualities in the critical flight phases of takeoff, approach and landing. Tailwind, for instance, increases the required runway length to land on or takeoff from.



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There are many reasons to avoid a takeoff or landing with a tailwind. These range from the fact that takeoff and landing distance requirements will be longer to reduced climb gradient due to higher ground speed over distance.

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The airplane will still fly; it just takes considerably more runway to depart. Most Pilot's Operating Handbooks (POHs) will use a phraseology in their takeoff roll performance charts such as increase ground roll 10% for every 2 kts of tailwind or similar.

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Because headwind increases the lift, pilots prefer to land and take off in headwind. Tailwind is wind blowing from behind the aircraft. It reduces the lift and aircraft generally avoid taking off or landing in tailwind.

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If you are already in the air, going to another airport to land may be the better option. There are many reasons to avoid a takeoff or landing with a tailwind. These range from the fact that takeoff and landing distance requirements will be longer to reduced climb gradient due to higher ground speed over distance.

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During take off and landing, tailwinds ireduce the airflow. Consequently, the necessary lift is achieved later and at higher speeds (the wind speed is added to the aircraft speed). Therefore, longer runways are required to perform a safe take off or landing.

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Is it safe to fly in high winds? In general, the answer is yes. In addition to the fact that modern aircraft are designed to perform well in very high winds, pilots around the world must be able to demonstrate skill at flying in windy conditions in order to become licensed.

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Other special cases include a tailwind, where the plane and wind are acting in the same direction. As you may suspect, the speed of the aircraft increases when there is a tailwind and decreases when there is a headwind.

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Heavy snow or blizzards can make landing and taking off too dangerous, while lightning storms can be very hazardous to any aircraft. Extreme heat can also interfere with an aircraft's performance, so in hotter parts of the world, extreme temperatures can cause significant delays.

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A takeoff may be rejected for a variety of reasons, including engine failure, activation of the takeoff warning horn, direction from air traffic control (ATC), blown tires, or system warnings.

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That flight set a record for the fastest subsonic transatlantic commercial airline flight — 5 hours and 13 minutes, thanks to a 202 mph tailwind. For reference, the speed of sound is 760 mph; but the plane did not break the sound barrier.

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