[-)-MAILMAN-]

Changes in V1.4:



Usage:
Select used unit (Metric/Imperial) and "Save" this setting.
Select map.
Click left to starting position.
Click right to aims position.
Read course/distance/home course/aims height.
Zoom in/out for better placement (Zoom * 4 can't display the biggest maps).
Set average speed/height for flight time calculation.

You mention Metric/Imperial when selecting units. Did you include KIAS? USN & USMC aircraft and at least some RN aircraft instruments use Knots Indicated Airspeed on their gages.