• F1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• aerodrome means the aggregate of the land, buildings and works comprised in an aerodrome within the meaning of the M1 Civil Aviation Act 1982 and (if and so far as not comprised in an aerodrome as defined in that Act) any land, building or works situated within the boundaries of an area designated, by an order made by the Secretary of State which is for the time being in force, as constituting the area of an aerodrome for the purposes of this Act;

• air navigation installation means any building, works, apparatus or equipment used wholly or mainly for the purpose of assisting air traffic control or as an aid to air navigation, together with any land contiguous or adjacent to any such building, works, apparatus or equipment and used wholly or mainly for purposes connected therewith;

• aircraft registered or operating in the United Kingdom means any aircraft which is either—

(a)an aircraft registered in the United Kingdom, or

(b)an aircraft not so registered which is for the time being allocated for use on [F2a flight any part of which is] in the United Kingdom;

• article includes any substance, whether in solid or liquid form or in the form of a gas or vapour;

• constable includes any person having the powers and privileges of a constable;

• explosive means any article manufactured for the purpose of producing a practical effect by explosion, or intended for that purpose by a person having the article with him;

• firearm includes an airgun or air pistol;

• manager, in relation to an aerodrome, means the person (whether . . . F3 the Civil Aviation Authority, a local authority or any other person) by whom the aerodrome is managed;

• military service includes naval and air force service;

• measures (without prejudice to the generality of that expression) includes the construction, execution, alteration, demolition or removal of buildings or other works and also includes the institution or modification, and the supervision and enforcement, of any practice or procedure;

• operator has the same meaning as in the M2 Civil Aviation Act 1982;

• property includes any land, buildings or works, any aircraft or vehicle and any baggage, cargo or other article of any description;

• F4. . .

• United Kingdom national means an individual who is—

(a)a British citizen, a British Dependent Territories citizen [F5, a British National (Overseas)] or a British Overseas citizen;

(b) a person who under the M3 British Nationality Act 1981 is a British subject; or

(c)a British protected person (within the meaning of that Act).

[F6(1A)Subject to subsection (1D), a reference in this Act to an aircraft includes a reference to a medium-range rocket.

(1B)In subsection (1A) “rocket” means a projectile of mainly cylindrical or similar shape that can be propelled from or above the earth by combustion of its fuel (or fuel and oxidant).

(1C)For the purposes of subsection (1A) a rocket is a “medium-range” rocket if—

(a)the total impulse of its motor or combination of motors exceeds 160 Newton-seconds, but

(b)it is not capable of operating above the stratosphere.

(1D)The Secretary of State may by order—

(a)provide that subsection (1A) does not apply to any specified provisions of this Act;

(b)provide for any provision of this Act, as it has effect by virtue of subsection (1A), to apply with specified modifications.]

(2)For the purposes of this Act—

(a)in the case of an air navigation installation provided by, or used wholly or mainly by, the Civil Aviation Authority, that Authority, and

(b)in the case of any other air navigation installation, [F7the person] by whom it is provided, or by whom it is wholly or mainly used,

shall be taken to be the authority responsible for that air navigation installation.

(3)For the purposes of this Act—

(a)the period during which an aircraft is in flight shall be deemed to include any period from the moment when all its external doors are closed following embarkation until the moment when any such door is opened for disembarkation, and, in the case of a forced landing, any period until the competent authorities take over responsibility for the aircraft and for persons and property on board; and

( b)an aircraft shall be taken to be in service during the whole of the period which begins with the pre-flight preparation of the aircraft for a flight and ends 24 hours after the aircraft lands having completed that flight, and also at any time (not falling within that period) while, in accordance with the preceding paragraph, the aircraft is in flight,

and anything done on board an aircraft while in flight over any part of the United Kingdom shall be treated as done in that part of the United Kingdom.

( 4)For the purposes of this Act the territorial waters adjacent to any part of the United Kingdom shall be treated as included in that part of the United Kingdom.

(5)Any power to make an order under subsection (1) [F8or (1D)] above shall be exercisable by statutory instrument; and any statutory instrument containing any such order shall be subject to annulment in pursuance of a resolution of either House of Parliament.

(6) Any power to give a direction under any provision of this Act shall be construed as including power to revoke or vary any such direction by a further direction . . . F9 .

( 7) Subject to section 18 of the M4 Interpretation Act 1978 (which relates to offences under two or more laws), Part I of this Act shall not be construed as—

(a)conferring a right of action in any civil proceedings in respect of any contravention of this Act, or

(b)derogating from any right of action or other remedy (whether civil or criminal) in proceedings instituted otherwise than under this Act.

(8)References in this Act to enactments (including the reference to Acts in section 30(2)(a) of this Act) shall include references to Northern Ireland enactments, that is to say, to any enactment contained in an Act of the Parliament of Northern Ireland or a Measure of the Northern Ireland Assembly, and without prejudice to the provisions of the Interpretation Act 1978, in the application of this Act to Northern Ireland, any reference to a Northern Ireland enactment or to an enactment which the Parliament of Northern Ireland had power to amend—

(a)shall be construed as including a reference to any Northern Ireland enactment passed after this Act and re-enacting the said enactment with or without modifications, and

(b)shall, except in so far as the context otherwise requires, be construed as a reference to that enactment as amended by any enactment, whether passed before or after this Act, and as including a reference thereto as extended or applied by or under any other enactment, including this Act.