What are the safety restrictions placed on drone users?

Drone users have to follow a number of restrictions when using the gadgets.
Drone restrictions.Drone restrictions.
Drone restrictions.

In November 2016, the Civil Aviation Authority launched a website to publish a revised code of conduct, called the Drone Code.

The rules say the devices must not be flown:

:: Above 400ft (120m);

:: Where you cannot see them;

:: Near aircraft, airports or airfields;

:: Within 150ft (50m) of people or property;

:: Over crowds and built-up areas;

:: Within 500ft (150m) horizontally of crowds and built-up areas.