We see two
specific problems with the methodology: (1) The FAA does no
sampling before changing departure procedures (treatments). This
prevents comparison with a "control" treatment, (2) The FAA should
use a given treatment for at least 4 weeks before sampling.
Otherwise, responses may be based on prior treatments. As planned,
they will sample after 1 1/2 weeks of the first treatment and 2 1/2
weeks of the second and third treatments. We suggest that measures
be taken to correct these problems and strengthen the conclusion
the data will show.
Inventory as of this Action
Requested
Previously Approved
12/31/1981
12/31/1981
1,800
0
0
59
0
0
0
0
0
PURSUANT TO SECTION 611 (49 U.S.C.
1431) OF THE FEDERAL AVIATION ACT, THE EFFECTIVENESS OF AIRCRAFT
NOISE ABATEMENT PROCEDURES AT JOHN WAYNE AIRPORT WILL BE EVALUATED.
ROUTINE TAKEOFF AND OTHER NOISE PREVENTIVE PROCEDURES WILL BE
MONITORED AND COMPARED. AN ANALYSIS OF COMMUNITY REACTION TO THESE
PROCEDURES IS A VITAL PART OF THE EVALUATION.
On behalf of this Federal agency, I certify that
the collection of information encompassed by this request complies
with 5 CFR 1320.9 and the related provisions of 5 CFR
1320.8(b)(3).
The following is a summary of the topics, regarding
the proposed collection of information, that the certification
covers:
(i) Why the information is being collected;
(ii) Use of information;
(iii) Burden estimate;
(iv) Nature of response (voluntary, required for a
benefit, or mandatory);
(v) Nature and extent of confidentiality; and
(vi) Need to display currently valid OMB control
number;
If you are unable to certify compliance with any of
these provisions, identify the item by leaving the box unchecked
and explain the reason in the Supporting Statement.