Well you would think it would simply be a case of copying over a [CameraDefinition.X] section from an aircraft that has the view you want to the aircraft.cfg file of the aircraft you want to use it in but in true MS/FSX fashion it isn't as simple as that. :@
Each camera view must have a unique identifier (known as a 'GUID') and it's the generation of this GUID that is a bit tricky. I did a quick Google search for you and found the following article...