Camera Conig for the inibuilds-aircraft-a306r install to the following location
username/appdata/local/packages/Microsoft.FlightSimulator_8wekyb3d8bbwe/localcache/simobjects/airplanes/inibuilds-aircraft-a306r
Use ALT+ numbers 1-0 to view (see pics)
Enjoy
Just a note, for Steam installs, the path is:
C:\Users\[USER]\AppData\Roaming\Microsoft Flight Simulator\SimObjects\Airplanes\inibuilds-aircraft-a306r
Check out my profile for the F version of this aircraft as well as many others Thanks