With more than 350 sample questions—all of which are based on previous testing experiences—this sourcebook is ideal for aviation maintenance technicians seeking to add Inspection Authorization (IA) privileges to their license. As a closed test—with the questions not being made known to the public—applicants will utilize the comprehensive and effective sample questions, answers, and explanations to prepare for this difficult exam. The Federal Aviation Administration references from which the sample questions are derived are included so that applicants can prepare with the exact material they will find on the exam.