The Gleim Online Ground School uses their sophisticated Knowledge Transfer Systems to ensure that you master all the information you need to be a competent, safe pilot and to pass your FAA knowledge test with confidence. This course meets and exceeds the eligibility requirements for required ground training. Once you complete all course requirements, you will be provided with an endorsement that will allow you to take the knowledge test at the testing center of your choice. Available for the following ratings: Airline Transport Pilot – Part 121 (ATP) Airline Transport Pilot – Part 135 (ATA) Aircraft Dispatch (ADX) Airline Transport Pilot Part 135 – Added Rating (ARA)