For average noise exposure, the GDG strongly recommends reducing noise levels produced by aircraft to below 45 dB Lden, as aircraft noise above this level is associated with adverse health effects.
People Also Ask
Federal Regulation Title 14 Part 77 establishes standards and notification requirements for objects affecting navigable airspace. This notification serves as the basis for: Evaluating the effect of the construction or alteration on operating procedures.
DOT requires airlines to acknowledge consumer complaints within 30 days of receiving them and to send consumers written responses addressing these complaints within 60 days of receiving them (30 days for disability-related complaints). DOT also asks that ticket agents respond to consumer who file complaints with them.
The impacts of aircraft noise at night are particularly pronounced. A large scale study around Heathrow Airport found that people living under the flightpath were 10-20% more at risk to stroke and heart disease than those not living under the flight path.
A study of noise on Airbus A321 aircraft reported levels of 60-65 decibels (dBA) before takeoff; 80-85 dBA during flight; and 75-80 dBA during landing. The outside of aircraft engines (around 140 dB at takeoff) and conditions on other aircraft may have higher or lower noise levels.