How loud is an airplane from the outside?

A study of noise on Airbus A321 aircraft reported levels of 60-65 decibels (dBA) before takeoff; 80-85 dBA during flight; and 75-80 dBA during landing. The outside of aircraft engines (around 140 dB at takeoff) and conditions on other aircraft may have higher or lower noise levels.



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The influence of atmospheric conditions Temperature, wind speed and direction, humidity, rain and cloud-cover all have a part to play in the way we hear aircraft noise. The reverberation of sound waves caused by the weather can make noises seem louder.

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Airplane noise can be very annoying, especially if you live or work near an airport, and you should know that experiencing that noise constantly can be bad for your health. Some of the negative side effects include high blood pressure, increased risk of stroke and increased risk of heart attack.

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In general, the noise is loud at the front of the plane, quietest about 30% of the distance to the rear, and then rises to its maximum value at the rear.

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Choose your seat wisely for a quieter flight The front of the plane is the least noisy over the course of the flight, explains Kochan. If you cannot afford a business class ticket then I would recommend sitting in the centre of the aircraft [in front of] the wing, for example.

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For most commercial airplanes, the seats closest to the front of the plane are the quietest. And although it's not always possible to get a front row seat, anything in front of the wing is preferable to seating behind the wing. The loudest row is just behind the wing where the engines are located.

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Jet airliners, on the inside, are loudest in the last few rows at the rear. Outside, right at the engine exhausts, but you're in serious danger from the engine if you're anywhere near that. Most of the noise goes backwards away from the plane.

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Yes, travelers have the right to quiet, but it's an implied right, and one enforced by the good manners of your fellow passengers and guests.

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However, statistically speaking, a seat close to an exit in the front or rear, or a middle seat in the back third of the plane offers the lowest fatality rate. That said, flying is still the safest form of transport.

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Engine noise is created by the sound of the engine's moving parts and by the sound of air being expelled at high speed. Most of the engine noise comes from the exhaust or jet behind the engine as it mixes with the air around it.

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During the day, when the air is warmer than the ground, noise energy from an airplane staying in the air, so while you can still hear it, it seems quieter. Conversely, at night, when the ground is warmer than the air, the noise is drawn down, making it seem louder.

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Protecting Ears When on a Plane Exposure to noise at 85 dB for more than eight hours a day can cause permanent hearing loss or temporary hearing problems like tinnitus (2). However, at 100 dB, the safe duration of exposure is only 15 minutes a day (3).

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Over the past 50 years, aircraft have reduced their noise output by 75% and this progress continues. Today's aircraft entering service have on average, a noise footprint that is 30-50% that of the aircraft they are replacing thanks to new engine and airframe design and technology.

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Various studies cited in the studies indicate that sitting in front the wings and engines is the quietest place in flight, with behind the wing and engines being the loudest. That makes intuitive sense.

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There's a general consensus among travel experts that the back of the plane is one of the worst places to sit. Flight attendants warn passengers not to sit there if they don't like experiencing turbulence, with planes shaking much more at the back than they do at the front.

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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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The middle seat in the final seat is your safest bet The middle rear seats of an aircraft had the lowest fatality rate: 28%, compared to 44% for the middle aisle seats, according to a TIME investigation that examined 35 years' worth of aircraft accident data. This also makes logical sense.

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Seats in the back are away from the wings, which causes a more turbulent ride. Seats in the back are also usually closer to the lavatory, which could mean foul odors. Finally, those sitting in the back are the last ones to off the plane, which is bad if you have a connecting flight.

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Face your fear, repeatedly but in small doses
That could mean less anxiety in the long run. You're basically moving up a ladder of fear, says Marques. Before you move to the next level of exposure, make sure your fight-or-flight response is less active.

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The source of certain Airbus planes' characteristic barking noise is a component known as the Power Transfer Unit (PTU). This is an element of the aircraft's hydraulic systems, and it facilitates the switching of power from one system to another in the event of a failure.

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It's the PTU that makes the barking noise. It transfers hydraulic pressure from one of the systems to the other when there is a measurable pressure difference, 500 psi. between the two. When the pressure drops, the PTU kicks in.

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While air travelers aren't quite as peeved by these behaviors, other annoying habits include removing your shoes (23.59 percent), flirting (21.89 percent), getting out of your seat too often (19.95 percent), utilizing overhead bin space too far from your seat (18.12 percent), being overly affectionate with your partner ...

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1 Airbus A380 The Airbus A380 is the largest commercial passenger aircraft in the world, as well as the quietest widebody airliner currently flying. The A380's double-deck design and advanced noise-cancellation technology make it one of the quietest airliners in the skies.

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