The things that airlines, aircraft manufacturers, and the FAA arenot sharing with the public. This book is the result of the author'sdoctoral research--Safety Culture, Training, Understanding, AviationPassion: The Impact on Manual Flight and Operational Performance.While the intent of the research was to learn what predicted manualflight, what was learned may have predicted and, if heeded, preventedthe Lion Air Flight 602, 2018 crash, Ethiopian Flight 302, 2019crash, and Atlas Air Flight 3591, 2019 crash. What was learnedcould also have prevented the Air France Flight 447 crash. We nowhave the data that proves we can't simply blame the pilot.There is never one reason an accident occurs, but a chainof events. If you travel, fly, or touch aviation in any aspect, youhave every reason to read this book. If you wish to read the actualdissertation, it may be found at https: //petittaviationresearch.com.