This is an add-on to your private pilot certificate that allows you to operate on an IFR flight plan, like the airlines do, and to operate in weather that is less than those allowed under VFR, which you must adhere to as a private pilot.
Should you want to continue with flight school, the next big stepping stone is the instrument rating. This is an add-on to your private pilot certificate that allows you to operate on an IFR flight plan, like the airlines do, and to operate in weather that is less than those allowed under VFR, which you must adhere to as a private pilot.