9.—(1) The CAA must issue a noise certificate in respect of any State aircraft or Research aircraft registered in the United Kingdom for which there is an EASA equivalent type if it is satisfied that the aircraft complies with the noise standards with which the aircraft would be required to comply if it were an EASA aircraft.
(2) For the purposes of paragraph (1) an applicant for a certificate must furnish such evidence and submit the aircraft to such flying trials and other tests as the CAA may require.
(3) The CAA must issue every noise certificate subject to a condition as to the maximum total weights at which the aircraft may land or take off and may issue such a certificate subject to such other conditions relating to standards as to noise as it thinks fit.