Disclaimer: Aero Ground Prep is not affiliated with or endorsed by the Federal Aviation Administration (FAA). Our courses and endorsement services are provided solely as preparation for FAA written exams and do not grant any privileges or authorizations to operate an aircraft. All training materials and content provided on this site are for educational purposes only and may be sourced from other sites. They are not a substitute for official FAA-approved training or regulatory guidance. To legally operate an aircraft, you must obtain the proper endorsements, certifications, and hands-on training from a Certified Flight Instructor (CFI) or Multiengine Flight Instructor (MEI) in accordance with applicable FAA regulations.