Why is tailwind bad for takeoff?

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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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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In the landing case, tailwinds may also result in higher number of go arounds due to the increased probability for an unstable approach. This increases both pilots' and controllers' workload. Additionally, landing aircraft would be likely to remain longer on the runway and vacate via later-than-normal taxiways.

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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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On take-off and landing, headwinds are good because they allow you to use a shorter runway. In flight, headwinds are bad because they slow you down and require that you use more fuel to get to your destination. Conversely, tailwinds are bad on take-off and landing, but are good in flight.

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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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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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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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Maximum tailwind for Landing – BLY & BLZ = 15 knots, Others 10 knots. For landing with a tailwind greater than 10 knots, use FLAPS FULL only. Maximum tailwind for Automatic Landing and Rollout = 10 knots. Maximum wind for passenger door operation is 65 kt.

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Aeroplanes are made to run on the runway before take off, so that they acquire the necessary lift.

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Headwinds are what work against an aircraft because these winds blow against an aircraft's flight path. Planes flying against headwinds are essentially slowed down by that wind. Think about running into the wind: it's much harder to run into the wind than with the wind (more on this later).

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As the plane descends into ground effect, it may actually accelerate if the engines are producing enough thrust, since in ground effect the plane requires much less power to keep flying. Power from the engines will translate into speed, if not height.

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