Danger, restricted, and prohibited areas are shown on the chart as an area with a red line outline and red hatching across the area. The outline is:
Every danger, restricted, and prohibited area is given a unique number. This is written next to the area on the chart, along with the vertical limits of the area. For example:
A list of these areas and associated information (and usually a contact phone number for coordination) is found in the AIP ENR 5.1. Click here to view the UK AIP.