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Resolution No. 2059  Attachment F
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5. Be able to accept inlet and exhaust suppression devices that are attached or placed in position during ground maintenance run-up operations

BE IT FURTHER RESOLVED that this Commission will place operating restrictions on supersonic transport operations at Los Angeles International Airport which will control the noise levels from this aircraft unless the following operating sound levels are achieved in the aircraft design:

1. Take-off sound levels parallel to the runway at a measurement distance of 1400 feet parallel to the runway centerline shall not exceed 120 perceived noise decibels (Pndb.)

2. The take-off sound level shall not exceed 112 Pndb. at a point on the ground three miles from the start of the take-off roll on a line which is a prolongation of the centerline of the runway

3. Approach sound levels shall not exceed 120 Pndb. at a point on the ground 400 feet from the landing threshold of the runway; and

4. Be able to operate with effective ground suppression devices during ground maintenance operations

BE IT FURTHER RESOLVED that the Secretary of this Commission be, and he hereby is, directed to forward a copy of this Resolution to the Administrator of the Federal Aviation Agency, the Air Transport Association of America, Senator Thomas Kuchel, Senator Clair Engle, Senator A. S. "Mike" Monroney and Congressman Oren Harris.

oOo

I hereby certify that the foregoing is a true and correct copy of Resolution No. 2059 adopted by the Board of Airport Commissioners at a special meeting held Wednesday, September 25, 1963.

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T.D Dannenbrink - Secretary
BOARD OF AIRPORT COMMISSIONERS