Negative altitude fail #18
Description
Attempting to set a negative altitude and turning the program puts it into a full on dive with zero attempts at recovery.
This is with proper PID tuning, it will still dive even if it's already below it's setpoint.
This is on a submarine. Which is obviously not the intended purpose of this program but I still feel it's an issue. and it's the only autopilot program I could get to work with my sub.