68BInterpretation

#### 68B Interpretation For the purposes of this Part: (a) a reference to the height of an object on land is to be read as a reference to the height of the highest point of the object above the lowest point of the natural ground level of the land covered by the object; and (b) a reference to the height of an object at sea is to be read as a reference to the height of the highest point of the object above mean sea level; and (c) a reference to constructing a building, structure or object includes a reference to: (i) causing or permitting a building, structure or object to be constructed, altered or extended; or (ii) bringing a building, structure or object into a defence aviation area; and (d) a reference to the marking or lighting of a building, structure or object is to be read as a reference to marking or lighting the building, structure or object in such manner that the existence of the building, structure or object can be recognised by day and by night from an aircraft; and (e) a reference to an object hazardous to aircraft or to aviation‑related communications, navigation or surveillance is to be read as a reference to an object: (i) that is, or may become, an obstacle or hazard to aircraft; or (ii) that interferes, or may interfere, with the control of aircraft; or (iii) that interferes, or may interfere, with aviation‑related communications, navigation or surveillance required for the control of aircraft or for the defence of Australia.