The CPL allows you to be paid to be a pilot. Some jobs include flight instructing, towing banners, spotting fish, crop dusting, and flying sight-seeing flights. The purpose of the CPL is to increase your proficiency in performing more complex maneuvers, gaining experience navigating greater distances, and learning the regulations that govern commercial flight operations. The CPL requires an instrument rating and 250 hours' total time at a Part 61 school.