Applicants studying for the Certified Flight Instructor (CFI) Knowledge Exam will find answers and explanations for every question in the Federal Aviation Administration exam database in this guide. The more than 900 questions from the exam are arranged by subject category, with each section prefaced by text introducing the subject matter and accompanied by specific study material. Each question is followed by the answer, an explanation of the answer, and a Subject Matter Knowledge Code for further study in FAA materials. Subjects covered include the fundamentals of instructing, the principles of flight, aircraft performance, weather services, enroute flight and navigation, procedures and airport operations, and flight physiology. Updates are provided to account for FAA test-question changes throughout the publication year via the ASA website or e-mail.