Applicants studying for the FAA Commercial Pilot Knowledge Exams are provided answers and explanations for every question in the Federal Aviation Administration (FAA) exam database in this guide. All of the more than 800 questions from the exam are arranged by subject category and are accompanied by specific study material. Updates are provided to account for FAA test-question changes throughout the publication year via the ASA website or e-mail.   Subjects covered include aerodynamics, aircraft systems, flight instruments, aircraft performance, navigation, airspace and airport operations, and meteorology.