What happens if a plane descends too fast?

If the plane doesn't crash, the descent rate generally can't hurt you. If the plane crashes, the horizontal deceleration is likely to do far more harm than the vertical deceleration. That said, 18,000 feet per minute is pretty fast, like 180 knots, so unpressurized it could cause possibly ear & sinus damage.



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The term hard landing usually implies that the pilot still has total or partial control over the aircraft, as opposed to an uncontrolled descent into terrain (a crash). Hard landings can vary in their consequences, from mild passenger discomfort to vehicle damage, structural failure, injuries, and/or loss of life.

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While turbulence can feel scary, airplanes are designed to withstand massive amounts of it. A plane cannot be flipped upside-down, thrown into a tailspin, or otherwise flung from the sky by even the mightiest gust or air pocket, wrote pilot Patrick Smith on his site, AskThePilot.com.

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During a belly landing, there is normally extensive damage to the airplane. Belly landings carry the risk that the aircraft may flip over, disintegrate, or catch fire if it lands too fast or too hard.

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In modern aircraft with modern avionics, the descent profile is automatically calculated by the computers. When prevailing winds are entered the flight management system can accurately determine the top of descent and the rate of descent that is required.

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(AP) — A pilot escaped with only minor injuries after a single-engine plane crashed nose-first into the roof of a hangar Monday at a Southern California airport, authorities said.

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Pan Am Flight 6 (registration N90943, and sometimes erroneously called Flight 943) was a round-the-world airline flight that ditched in the Pacific Ocean on October 16, 1956, after two of its four engines failed.

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Sure, it happens all the time to incautious pilots. 1966, a Boeing 707 was brought down by turbulence (BBC ON THIS DAY | 5 | 1966: Passenger jet crashes into Mount Fuji ) when the pilot had diverted from his planned flight path out of Tokyo to show his passengers Mount Fuji.

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At times like this, pilots will slow to a designated “turbulence penetration speed” to ensure high-speed buffet protection (don't ask) and prevent damage to the airframe. We can also request higher or lower altitudes, or ask for a revised routing.

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For nervous flyers, turbulence can be frightening, especially when it's severe. Some might even think that these strong forces would be enough to break the aircraft. In reality, airplanes, especially large airliners, are built with enough strength to withstand almost all naturally occurring turbulence.

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Most commercial airplanes have a certified maximum altitude of about 40,000 to 45,000 feet. Regardless of its certified maximum altitude, if an airplane flies too high, it may fail in one or more ways. For starters, the engine may suffocate from a lack of oxygen.

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