Flying over towns etc.
An aircraft flying over a congested area of a city, town or settlement shall not fly below a height of 1000 feet above the highest fixed object within a horizontal radius of 600 metres AND at sufficient height to safely land clear of the congested area in the event of a power failure (whichever is the higher).
Congested area means an area of a city, town or settlement which is substantially used for residential, industrial, commercial or recreational purposes.
An aircraft shall not carry out any aerobatic manoeuvre over the congested area of any city, town or settlement