Rely on the time-proven and dependable ASA Commercial Pilot Test Prep to prepare for your FAA Knowledge Exam. Test material is expertly organized into chapters based on subject matter and includes introductory text and illustrations, questions, answer choices, answers, explanations (for correct and incorrect answers), and references for further study. This topical study promotes better understanding and aids recall to provide a more efficient study guide. Aerodynamics, aircraft systems, flight instruments, aircraft performance, navigation, airspace and airport operations, and meteorology are among the subjects covered. When you're done studying, take 5 FREE practice tests and receive your test authorization (endorsement) with ASA's online simulated testing program at no additional cost! The ASA Test Prep includes the figures, legends, and full-color charts from the Airman Knowledge Testing Supplement so you'll be familiar with the information you'll be issued at the test center. You can count on ASA to provide you with the latest changes in the FAA Knowledge Exams through a free email subscription service and updates. ASA's Commercial Pilot Test Prep is the pilot's best resource for successful test-taking. material is expertly organized into chapters based on subject matter and includes introductory text and illustrations, questions, answer choices, explanations (for correct and incorrect answers), answers, and references for further study. This topical study promotes better understanding and aids recall to provide a more efficient study guide. Aerodynamics, aircraft systems, flight instruments, aircraft performance, navigation, airspace and airport operations, and meteorology are among the subjects covered. The ASA Commercial Pilot Test Prep includes the Computer Testing Supplement CT-8080-1E--with the same FAA legends, figures, and full-color charts you'll be issued at the testing center--to help you become familiar with all available information before you take your official test.