VTOL Crash after FBWA transition. Could not save with qhover

[Rolf]

The differences are due to the new PID system:

New fixed wing PID system and autotune

[ArduPilotPlanePorter] Last month we finally merged the new fixed wing control code slated for the ArduPilot plane 4.1 release. This provides a major improvement in several areas: much better manual PID tuning, with clearer parameters and much improved filtering new fixed wing AUTOTUNE system which produces a much better tune for a wider range of aircraft The key change in the PIDs is we are switching to use the same PID code that is used for VTOL aircraft in ArduPilot. This leverages the g…