Acknowledgments The Aviation Maintenance Technician Handbook–Powerplant (FAA-H-8083-32A) was produced by the Federal Aviation  Administration (FAA) with the assistance of Safety Research Corporation of America (SRCA). The FAA wishes to acknowledge  the following contributors: Mr. Tom Wild for images used throughout this handbook Free Images Live (www.freeimageslive.co.uk) for image used in Chapter 1 Mr. Stephen Sweet (www.stephensweet.com) for image used in Chapter 1 Mr. Omar Filipovic (www.glasair-owners.com) for image used in Chapter 1 Pratt & Whitney for images used in Chapters 2, 3, 6, 7, and 8  Mr. Warren Lane (Atomic Metalsmith, Inc.) for image used in Chapter 1 Teledyne Continental Motors (www.genuinecontinental.aero) for images used in Chapters 2, 3, and 11 Aircraft Tool Supply Company (www.aircraft-tool.com) for images used in Chapter 4 Chief Aircraft (www.chiefaircraft.com) for images used in Chapter 4 DeltaHawk Engines, Inc. (www.deltahawkengines.com) for image used in Chapter 6 Mr. Felix Gottwald for image used in Chapter 7 Mr. Stephen Christopher (www.schristo.com) for images used in Chapter 8 Mr. Yunjin Lee for images used in Chapter 9 Mr. Marco Leerentveld (www.flightillusion.com ) for image used in Chapter 10 Aeromax Aviation, LLC (www.aeromaxaviation.com) for images used in Chapter 11 Avid Aircraft (www.avidflyeraircraft.com) for image used in Chapter 11 Flight and Safety Design (www.eco1aircraft.com) for image used in Chapter 11 Great Plains Aircraft Supply Co., Inc. (www.greatplainsas.com) for image used in Chapter 11 Lycoming Engines (www.lycoming.textron.com) for image used in Chapter 11 Revmaster LLC Aviation (revmasteraviation.com) for images used in Chapter 11 Rotech Research Canada, Ltd. (www.rotec.com) for images used in Chapter 11 Additional appreciation is extended to Mr. Gary E. Hoyle, Dean of Students, Pittsburgh Institute of Aeronautics; Mr. Tom  Wild, Purdue University; Dr. Ronald Sterkenburg, Associate Professor of the Department of Aviation Technology, Purdue  University; for their technical support and input. IX