"Aircraft Engineering Principles" is the essential text for anyone studying for licensed A&P or Aircraft Maintenance Engineer status. The book is written to meet the requirements of JAR-66/ECAR-66, the Joint Aviation Requirement (to be replaced by European Civil Aviation Regulation) for all aircraft engineers within Europe, which is also being continuously harmonized with Federal Aviation Administration requirements in the USA. The book covers modules 1, 2, 3, 4 and 8 of JAR-66/ECAR-66 in full and to a depth appropriate for Aircraft Maintenance Certifying Technicians, and will also be a valuable reference for those taking ab initio programs in JAR-147/ECAR-147 and FAR-147. In addition, the necessary mathematics, aerodynamics and electrical principles have been included to meet the requirements of introductory Aerospace Engineering courses. Numerous written and multiple choice questions are provided at the end of each chapter, to aid learning. This book delivers the essential principles and knowledge base required by Airframe and Propulsion (A&P) Mechanics for JAR-66/ECAR-66 and the associated Federal Aviation Administration qualifications. It is ideal for both independent and tutor-assisted study. It is comprehensive and accessible, with self-test questions, exercises and multiple choice questions to enhance learning.