Stage 4 Aircraft Noise Standards - rgl.faa.gov
https://rgl.faa.gov/regulatory_and_guidance_library/rgfinalrule.nsf/0/767f48f6311bfa348625703700522b0b!OpenDocument&ExpandSection=-5,-7,6,-1,-2,-3,-3,-6,-3,-6,-3,-3,-6,-3,-3,-6,-3,-3,-3
WebThe noise measurement and evaluation procedures used to obtain these noise levels are considered by the FAA to be equivalent to the Chapter 4 noise level required by the International Civil Aviation Organization (ICAO) in Annex 16, Volume I, Appendix 2, Amendment 7, effective March 21, 2002.'' [Incorporated by reference, see Sec. 36.6].
DA: 37 PA: 14 MOZ Rank: 89