Your ChasePlane settings, views and groups are stored in the following locations.
Important to note that none of your data is stored in the Community folder and that updating or uninstalling ChasePlane does not remove that data.
MSFS 2020
Store User Data
%LOCALAPPDATA%\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalState\packages\p42-util-chaseplane\work
Steam User Data
%APPDATA%\Microsoft Flight Simulator\Packages\p42-util-chaseplane\work
Control Assignments backup (extractions only)
%LOCALAPPDATA%\Programs\Parallel 42\ChasePlane\V2\Backup\MSFS2020
Log Files
%LOCALAPPDATA%\Programs\Parallel 42\ChasePlane\V2\Logs