Commercial Pilot - Airplane (CAX) knowledge test, which is required before you take your commercial pilot practical test. Additionally, this book can be used in preparation for the FAA Military Competency - Airplane (MCA) knowledge test. This test is required if you are applying to obtain an FAA commercial pilot certificate based on current or past military pilot experience within the past 12 months. Each Gleim knowledge test book contains a practice FAA knowledge test. Once you feel confident in your grasp of the concepts presented, test yourself and be sure. You'll be more than ready when you sit down to take your actual FAA knowledge test!

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