Civil aircraft noise certification usually requires repeated flight tests, which is costly and time-consuming. This paper proposes a complete intercept flight test method to reduce the costs and shorten the certification period. The intercept flight procedures of take-off and approach noise measurement test were established based on the establishment principle of equivalent aircraft noise certification procedures approved by International Civil Aviation Organization. The method for determining 10 dB-down period is summarized with a specific type of jet as example. The intercept flight test method is of high application value for the noise certification of future ARJ21-700 derivative types and C919.
YAN Guohua
,
ZHOU Limin
. Intercept Flight Test Method of Civil Aircraft Noise Certification[J]. Science & Technology Review, 2014
, 32(24)
: 68
-72
.
DOI: 10.3981/j.issn.1000-7857.2014.24.011
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