What the Airport May Claim

What the Airport May Claim

The airport reports decibel readings using an FAA-mandated controversial method that yields misleading results. It excludes measuring noises from the ends of the spectrum. 

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The airport states it has a 65 decibel "limit.  (source; residents' decibel readings often exceed 85.

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If planes exceed the 65 decibel "limit", there's no serious consequences to those airlines other than a letter from the airport to the airline company.  (source:

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SFO's website shows the preferred take-off patterns. Airlines do NOT use those preferred take-off patterns 83% of the time.  (source:                   )

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The 65 decibel average includes the time when there's no runway activity.

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