189. (1) In this Part—

“Act of 2019” means the Aircraft Noise (Dublin Airport) Regulation Act 2019;

“Aircraft Noise Regulation” means Regulation (EU) No 598/2014 of the European Parliament and of the Council of 16 April 2014¹³ on the establishment of rules and procedures with regard to the introduction of noise-related operating restrictions at Union airports within a Balanced Approach and repealing Directive 2002/30/EC;

“airport” means Dublin Airport and includes, as appropriate, the area around the airport significantly affected by aircraft noise;

“airport authority” means daa public limited company;

“appeal body” shall be construed in accordance with subsection (1) of section 10 of the Act of 2019;

“competent authority” means the competent authority designated by section 3 of the Act of 2019 to be the competent authority for the purposes of the Aircraft Noise Regulation;

“Environmental Noise Directive” means Directive 2002/49/EC of the European Parliament and of the Council of 25 June 2002¹⁴ relating to the assessment and management of environmental noise;

“introduced” includes implemented;

“measure” includes a restriction;

“noise” means aircraft noise;

“noise abatement objective” means the noise abatement objective for the airport;

“noise mitigation measure” means a noise mitigation measure in place at the airport and includes—

(a) a land-use planning and management measure intended to reduce noise at source, and

(b) a noise abatement operational measure,

that do not restrict the capacity of the airport but does not include an operating restriction;

“operating restriction” means an operating restriction in place at the airport;

“relevant authority” means—

(a) the planning authority, or

(b) the competent authority;

“specified” means, in relation to a form, specified under section 28 of the Act of 2019.

(2) (a) A word or expression that is used in this Part and in the Aircraft Noise Regulation has the meaning in this Part that it has in that Regulation.

(b) A word or expression that is used in this Part and in the Environmental Noise Directive has the meaning in this Part that it has in that Directive.

(3) Where a provision of this Act or regulations under this Act provides for the specification of a period in a notice or direction, the period specified shall be a period that is reasonable in all the circumstances of the case.