If you encounter strange or erratic flight behavior of the CRJ, please make a check that you are using the <MODERN> flight model and not the <LEGACY> one. You can choose this in the MSFS OPTION settings. The CRJ requires the MODERN flight model as only then all the new aerodynamic features and effects are active and the CRJ is designed to use all of them.   Another issue that can arise is an invisible flight spoiler deployment. This may happen after having used ESC to pau