Paragraph 3
(1)
An aeroplane having the maximum total weight authorised specified in the 1st column of the following Table shall not, at the point referred to in paragraph 2 of this Part of this Schedule, exceed in the noise certification reference conditions the noise level specified in the 2nd column of that Table, as shown by flying trials.
TABLE
| Maximum total weight authorised of aeroplane | Peak noise level in dB(A) at measurement point |
|---|---|
| 1500 kg or more | 80 |
| 600 kg or less | 68 |
(2)
Where the maximum total weight authorised of the aeroplane is between the weights specified in the above Table, the noise level which is not to be exceeded shall vary linearly according to the maximum total weight authorised of the aeroplane.
(3)
The necessary corrections shall be made where flying trials are carried out in conditions other than the noise certification reference conditions.