Little Navmap can display an airport traffic patterns as a guidance on the map.
Right click on an airport in the map, flight plan table or airport search result table and select Display Airport Traffic Pattern.
This will show a dialog where you can select a runway and customize the pattern.
The title shows airport name, ICAO airport ident and elevation.
Runway: Select the runway here. Shows length and surface type. The label below shows name, length, width, magnetic heading, surface and light status of the currently selected runway.
Turn direction: Select to choose between left or right turn pattern. This is automatically updated when selecting a runway from FSX or P3D.
Base 45° after threshold: Calculates the final leg length automatically when checked.
Base leg to runway threshold: Length of the final leg. Measured from turn to final to the runway threshold.
Downwind to runway: Parallel distance from downwind leg to runway.
Pattern altitude: Pattern altitude above airport elevation. This is automatically updated when selecting a runway from FSX or P3D.
Entry and exit indicators: Shows dashed lines and arrows giving hints for entry and exit points.
Line Color: Color of the pattern lines and labels.
Traffic patterns can be removed by either selecting
Remove all Ranges, Measurements and Patterns or by right click on the hotspot (circle) at the runway threshold.
See Legend - Airport Traffic Pattern for details about the displayed numbers in the pattern.
Picture above: Traffic pattern dialog for
EDFE runway 08 at 1000 ft above airport elevation.
Picture above: Traffic Pattern for the settings in the dialog above. Downwind leg shows pattern altitude above MSL and course and final leg shows runway name and course.