Paragraph 1
In this Part of this Schedule—
“the noise certification reference conditions” means conditions in which—
(i)
atmospheric pressure at sea level is 1013.25 millibars;
(ii)
ambient air temperature is 25°C;
(iii)
the flying trials shall be carried out in a level fly-over; and
(iv)
in respect of an aeroplane with two seats, a passenger shall be carried for the flying trials.