GAO-18-109R, Accessible Version, Commercial Aviation: Pilots' and Flight Attendants' Exposure to Noise aboard Aircraft
![An Aerospace Propulsion specialist from the 148th Fighter Wing, Minnesota Air National Guard prepares for an uninstalled General Electric F110-129 jet engine run in the 148th Fighter Wing's newly modified Hush House. An Aerospace Propulsion specialist from the 148th Fighter Wing, Minnesota Air National Guard prepares for an uninstalled General Electric F110-129 jet engine run in the 148th Fighter Wing's newly modified Hush House.](https://c8.alamy.com/comp/2H0ETPC/an-aerospace-propulsion-specialist-from-the-148th-fighter-wing-minnesota-air-national-guard-prepares-for-an-uninstalled-general-electric-f110-129-jet-engine-run-in-the-148th-fighter-wings-newly-modified-hush-house-a-hush-house-is-an-enclosed-noise-suppressed-facility-used-for-testing-aircraft-systems-including-propulsion-mechanics-electronics-pneumatics-installed-or-uninstalled-jet-engines-can-be-run-under-actual-load-conditions-without-creating-noise-pollution-2H0ETPC.jpg)
An Aerospace Propulsion specialist from the 148th Fighter Wing, Minnesota Air National Guard prepares for an uninstalled General Electric F110-129 jet engine run in the 148th Fighter Wing's newly modified Hush House.
![Private jet inside a noise abatement facility to minimize noise from post-maintenance engine testing - called engine runup Stock Photo - Alamy Private jet inside a noise abatement facility to minimize noise from post-maintenance engine testing - called engine runup Stock Photo - Alamy](https://c8.alamy.com/comp/C40P26/private-jet-inside-a-noise-abatement-facility-to-minimize-noise-from-C40P26.jpg)