Today I was trying to use the "Auto WP" tool in Mission Planner 1.2.35 on an APM 2.5 today. I have the mission planner displaying measurements in feet not meters. However when I create auto way points by using the AUTO WP tool, the heights above ground are displayed in meters. So I switched the APM to auto mode after taking off in manual mode but the aircraft descends. The strange thing is that I can manually create a similar flight plan using the manual mode and the aircraft follows the way points and altitudes just fine.
Could it be that the way point altitudes are actually in feet? For example I had the Flight Planner of the mission planer with a default altitude of 500 feet, but when I create the auto waypoints the Alt is displayed as 152. So because 152 meters is close to 500 feet, I assumed that the 152 being displayed is actually meters. Because each time the aircraft began to rapidly descend when I switched to AUTO mode, I did not take a chance to see if it would level off at 152 feet or not.
So, what am I missing here?