William C. Kershner is a certified commercial flight instructor and an airline transport pilot. He has flown 22 types of airplanes and has logged more than 10,000 flight hours. He lives near Sewanee, Tennessee. William K. Kershner was a certified flight instructor, a naval aviator, and a corporate pilot. The recipient of many aviation awards, including the General Aviation Flight Instructor of the Year and an induction into the Flight Instructor Hall of Fame, he is the author of the Flight Manuals series.