How Loud is the Plane? 

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Exhibits 27 and 28
data by Vince Mestre, Mestre Greve Associates

Plus, actual measurements from County of Orange departure noise monitoring station RMS-1, near John Wayne Airport,  for the period April - June 1998.
 
 

Aircraft	Landing dB average (EIR)	Take Off db average (EIR)	JWA actual Take Off dB
747-300	96	98	Not allowed
DC10-30	94	90	Not allowed
737-200	88	86	Not used
737-300	88	77	95.8 average of 591 flights
MD-80	84	83	98.1 average of 561 flights
767-200	88	74	Not used
757	87	72	93.3 average of 551 flights

Note:  Monitoring station RMS-1 is near several residences on Orchard Drive, and just inside of the John Wayne Airport 65 dB CNEL line.
Aircraft noise varies with distance from the airport, weather conditions, terrain, and aircraft operating procedures.

Hear what the noise from the proposed airport will sound like in your neighborhood!

An on-site aircraft sound demonstration can be arranged for groups of 15 or more people.
Contact Bruce Nielsen at (949) 858-8713.