S.L. 499.39 ст. 2Interpretation.

In these regulations, unless the context otherwise requires: "airport" means a civil airport within the European Community which has more than 50,000 movements of civil subsonic jet aeroplanes per calendar year, where a movement is a take-off or landing, taking into consideration the average amount of the last three calendar years before the application of the provisions of the Directive to the relative airport; "civil subsonic jet aeroplanes" means aeroplanes with a maximum certificated take-off mass of 34,000 kg or more, or with a certified maximum internal accommodation for the relative aeroplane type consisting of more than 19 passenger seats, excluding any seats for crew only; "the Directive" means Directive 2002/30/EC of the European Parliament and of the Council of the 26th March, 2002 on the establishment of rules and procedures with regard to the introduction of noise related operating restrictions at Community airports; "the Director" means the Director of Civil Aviation and, to the extent of the authority given, any person authorised in that behalf by the Director;

"marginally compliant aeroplanes" means civil subsonic jet aeroplanes that meet the certification limits laid down in Volume 1, Part II, Chapter 3 of Annex 16 to the Convention on International Civil Aviation by a cumulative margin of not more than 5EPNdB (Effective Perceived Noise in decibels), whereby the cumulative margin is the figure expressed in EPNdB obtained by adding the individual margins (namely the differences between the certificated noise level and the maximum permitted noise level) at each of the three reference noise measurement points as defined in the said certification limits; "operating restrictions" means noise related action that limits or reduces the access of civil subsonic jet aeroplanes to an airport; it includes operating restrictions aimed at the withdrawal from operations of marginally compliant aeroplanes at specific airports, as well as operating restrictions of a partial nature affecting the operation of civil subsonic aeroplanes according to the time period;

"interested parties"means natural or legal persons affected, or likely to be affected by, or having a legitimate interest in the introduction of, noise reduction measures including operating restrictions.