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The table below shows individual aircraft noise events identified from noise-meter and aircraft tracking data, sorted from highest to lowest peak decibel level (L_max). Also shown is a an alternative measure of peak noise, Loudness Index, which approximates the perceived loudness of the event relative to background levels (see Noise Basics).

A noise event is defined here as an aircraft-related increase in ambient sound level that exceeds 65 dBA (55 dBA at night) and with a peak that is at least 10 dB higher than background levels at the time (download more detail about methods). A single aircraft flight typically results in noise events for multiple meters and will thus appear in more than one row, unless the table is filtered to show only the loudest location.

Filters

Events from		through
Noise Meter Location:	Any 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17	SHOW MAP
Aircraft type:	Any Fighter Jet Large Jet Small Jet Large Prop Small Prop Helicopter	Civ/Mil:	Any Civilian Military
Operation:	Any Departure Arrival Other/Unknown	Runway:	Any 18 36 21 32 03 14 Unknown
Lmax dBA between		and
Show only the loudest location for each aircraft event?	No Yes
Number of Records to Show:	10 25 50 100 250 500 1000 All

Noise Events, in descending order of peak noise level (L_max) Download ALL data as CSV   (data description)

Rank on Page	Meter Location	Date and Time of Noise Peak	Aircraft	Civ/Mil	Operation	Event Duration (sec)	Loudness Index	Lmax Peak Noise Level (dBA)	Plot & details