2Interpretation

#### 2 Interpretation (1) In this Act, unless the contrary intention appears: > aircraft means a machine or apparatus that can derive support in the atmosphere from the reactions of the air or from buoyancy, but does not include a hovercraft. > defence land means land used by the Commonwealth for purposes related to the defence of the Commonwealth, and includes: (a) land set apart for, or dedicated to, a public purpose, being a purpose related to the defence of the Commonwealth, by the Governor‑General under section 122 of the Lands Acquisition Act 1989; and (b) land reserved under a law of a Territory for a purpose related to the defence of the Commonwealth. > exempt vessel means: (a) a vessel belonging to, or used by, the Commonwealth,including a vessel belonging to, or used by, the Australian Navy; or (b) a vessel that is, by virtue of a Proclamation in force under section 3A, an exempt vessel. > hovercraft means a vehicle that is designed to be supported when in motion wholly or partly by air expelled from the vehicle to form a cushion of which the boundaries include the ground, water or other surface beneath the vehicle. > installation means: (a) a naval establishment, dock, dockyard, slipway, victualling yard, arsenal, wharf or mooring owned or used by the Commonwealth; or (b) any fixed structure, apparatus or equipment used by the Commonwealth for purposes related to the naval defence of the Commonwealth. > master, in relation to a vessel, means the person having the command or charge of the vessel. > nautical mile means an international nautical mile. > naval waters means waters that, by virtue of a Proclamation in force under section 3B, are naval waters for the purposes of this Act. > sea includes any waters within the ebb and flow of the tide. > seaplane includes a flying boat and any other aircraft designed to manoeuvre on water. > superintendent means a superintendent appointed under section 3C and, in relation to any naval waters, means the superintendent in whose instrument of appointment those naval waters are specified. > vessel means any kind of vessel used in navigation by water however propelled or moved and includes a hovercraft or a seaplane on or in water and any other thing capable of carrying persons or goods on, in or under water. > waters means waters of the sea. (2) A reference in the succeeding provisions of this Act (other than section 3A) to a vessel, not being a reference to an exempt vessel, shall be read as not including a reference to an exempt vessel.