What are all those noises after takeoff and before landing?

Rumble-thump after takeoff, and a thump-rumble before landing, often with some whooshing. The noise of the landing gear being retracted back into the aircraft by the aircraft's hydraulic systems can be a bit of a surprise to some passengers, especially anyone seated at the front of the plane or near the wings.



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Those 'Ding' Sounds You Hear In Flight Are A 'Secret' Code You're listening in on the cabin crew communicating. It is actually, the old 'no-smoking' sign dinging. You are hearing just after take off.

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3 dings means something or nothing at all. It depends on the airline's procedure. At one airline, it means there is such an urgent emergency that the captain has no time to discuss it with the flight attendants. At another airline it means the flight attendants are now safe to get up and walk around the plane.

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Former pilot Bubb told Newsweek that two dings mean the plane is climbing through 10,000 feet and/or the pilots are asking flight attendants to prepare the cabin for landing. A whoosh sound means the landing gear is extending in preparation for landing, Bubb added.

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The PTU has been described as a dog barking, a NASCAR tire lug gun or sawing. The noise is the normal sound the PTU makes when it powers one of the hydraulic systems. During taxi in, one engine is often shut down causing the PTU to power the opposite hydraulic system.

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1) The spinning wheels will cause vibrations until they are stopped. 2) It is good practice to stop your wheel after you lift off due to flailing tread.

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Departures tend to be louder than arrivals since the pilot is using more power to the engine to achieve lift.

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For domestic flights in the U.S., airlines have to pay you 200% of the value of your one-way ticket up to $775 if you arrive at your destination one to two hours past your originally scheduled itinerary or 400% of the one-way ticket price, up to $1,550 if your arrival delay is longer than two hours.

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To prove your child's age to an airline, one of the following documents will suffice: Child's passport (how to get a U.S. passport for an infant and things to know about children's passports) Child's birth certificate. Child's immunization form or other medical records may also work domestically.

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Air traffic control units use the term squawk when they are assigning an aircraft a transponder code, e.g., Squawk 7421. Squawk thus can be said to mean select transponder code or squawking xxxx to mean I have selected transponder code xxxx.

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Travelers get bumped from flights because airlines sell more tickets than they have seats on the plane. That's called overbooking, and it sounds like a scam, but there's no law against it.

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The squawk code 7500 is an emergency code used by pilots to inform ATC of a plane hijacking taking place, which means that the pilots have either been forced to change course or are no longer in control of the aircraft.

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The analysis identified a similar phenomenon: In the most recent 12-month period for which data was available, there were about 300 accounts of near collisions involving commercial airlines.

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