Regulation 15 Content of noise certificates
The noise certificate referred to in regulations 4 and 5 and 7 to 9 shall provide at least the following information—
the State of registry and registration mark of the aeroplane,
the manufacturer’s serial number,
the manufacturer’s type and model designation,
a statement of any additional modifications incorporated for the purpose of compliance with the applicable noise certification standards,
the maximum mass at which compliance with the applicable noise certification standards has been demonstrated, and
for aeroplanes for which application or certification is submitted on or after 6 October 1977: the noise level or levels and their 90 per cent confidence limits at the reference point or points for which compliance with the applicable noise certification standards has been demonstrated.