it would be great if you could integrate the 3D mouse from https://www.3dconnexion.com between the Joisticks
such a joistick would allow the 3D control of the multirotor or the airplane or the helicopter with great naturalness.
there is also a sdk ... I do not know if it can be useful.
https://www.3dconnexion.it/nc/service/software-developer/licence-agreement/sdk-download.html