5Definitions

5 Definitions

Note: A number of expressions used in this instrument are defined in the Act, including the following:

(a) aircraft;
(b) the Chicago Convention.

In this instrument:

90‑95 noise level rule: see subsection 15(2).

Act means the Air Navigation Act 1920.

Annex means volume 1 of Annex 16 to the Chicago Convention, being that Annex as amended and in force at the commencement of this instrument.

curfew period: see section 7.

eligible freight jet aircraft: see subsection 12(2).

eligible passenger jet aircraft: see subsection 9(2).

engage in conduct means:

(a) do an act; or
(b) omit to perform an act.

helicopter has the same meaning as in the Annex.

involved in an emergency: see subsection 17(2).

land: an aircraft lands when it touches the ground.

maximum take‑off weight, of an aircraft, means the weight, or the greatest of the weights, set out as a maximum take‑off weight for the aircraft in the aircraft’s certificate of airworthiness (within the meaning of the Civil Aviation Safety Regulations 1998) or flight manual (within the meaning of the Civil Aviation Safety Regulations 1998).

movement, in relation to an aircraft, means the take‑off or landing of the aircraft.

noise level of an aircraft, expressed as a figure of EPNdB, means the effective perceived noise in decibels certified in a noise certificate (within the meaning of the Air Navigation (Aircraft Noise) Regulations 2018) for the aircraft.

subsonic jet aircraft has the same meaning as in the Air Navigation (Aircraft Noise) Regulations 2018.

take off: an aircraft takes off when it leaves the ground.

week means a period of 7 days starting at 11 pm on a Sunday.

year means a calendar year.