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Hush kit

Hush kit for the Pratt and Whitney JT8D-1 through -17 engines
Two JT4As installed on a KLM DC-8

A hush kit is an aerodynamic device used to help reduce the noise produced by older aircraft jet engines. These devices are typically installed on older turbojet and low-bypass turbofan engines, as they are much louder than later high-bypass turbofan engines.[1]

Hush kits are used because the engines on jet aircraft generate a large amount of noise, which significantly increases noise pollution near airports.[2]

  1. ^ Cite error: The named reference Mola was invoked but never defined (see the help page).
  2. ^ "Hush Kits". Air & Space Magazine. Retrieved 2018-05-07.

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معدة كاتمة صوت Arabic Hush Kit German ハッシュキット Japanese Hush kit (aviação) Portuguese

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