Aircraft powerplants, ninth edition, has been updated to include the most current and critical information. Brand-new material explains the latest engine models, diesel engines and alternative fuels, cutting-edge systems for reciprocating and turbofan engines, and new pressure ratios. Hundreds of detailed diagrams help illustrate each topic. This thoroughly revised textbook contains all the information students and aspiring mechanics need to learn to achieve faa power plant certification and master the operation and maintenance of aircraft engines. The book offers easy-to-understand, plain-language explanations of all engine components, mechanics, and technologies. Highlights: 1. Illustrations and real-world examples show how engines operate 2. Features end-of-chapter review questions that reinforce salient points 3. Written by an aviation expert and experienced author.