This authoritative textbook contains all the information you need to learn to master the operation and maintenance of aircraft engines and achieve FAA Powerplant certification. The book offers clear explanations of all engine components, mechanics, and technologies. This ninth edition has been thoroughly revised to include the most current and critical topics. Brand-new sections explain the latest engine models, diesel engines, alternative fuels, pressure ratios, and reciprocating and turbofan engines. Hundreds of detailed diagrams and photos illustrate each topic.