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Sips' to No Stupid Questions@lemmy.world • 1 year ago

Why don't passanger airplanes come with parachutes for people?

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Why don't passanger airplanes come with parachutes for people?

Sips' to No Stupid Questions@lemmy.world • 1 year ago
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  • @reddig33@lemmy.world
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    1 year ago

    Or parachutes for the plane itself?

    https://www.nbcnewyork.com/news/local/exclusive-video-small-plane-parachute-landing-cirrus-hauppauge-long-island/1400295/

    • Hildegarde
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      5•1 year ago

      It works for the Cirrus because that plane is tiny. A parachute big enough to safely land a commercial jet is not feasible.

      If a commercial plane has a failure, say an engine failure as in the news story, the pilots with fly the plane with the other engine to a safe landing.

      If the Cirrus has an engine failure it becomes a glider. If there’s no airports nearby you’ll have to ditch in a field somewhere. There is a lot less redundancy in general aviation.

      If you’re a new pilot buying your first plane, having a parachute on the plane is a nice feature.

      • @stoy@lemmy.zip
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        6•1 year ago

        If a comercial plane has both engines fail and can’t be restarted, it also turnes into a glider, a small wind turbine will deploy and power basic instruments and controls, check this out:

        https://en.wikipedia.org/wiki/Gimli_Glider

      • strcrssd
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        2•1 year ago

        It’s worth noting that all commercial aircraft that operate over water (so, the vast majority, excepting very small commercial aircraft and four-engine behemoths) have ETOPS ratings. [ETOPS, Extended-range Twin-engine Operations Performance Standards](https://en.wikipedia.org/wiki/ETOPS#:~:text=ETOPS%20(%2Fi%CB%90%CB%88t%C9%92,%2Dengine%2Dinoperative%20flight%20conditions.) specifies the amount of time the aircraft can operate on a single engine, measured in minutes. ETOPS-180 is a pretty common rating.

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