Flying a single-engine plane backwards, now that’s a trick. I was still a student pilot when I first saw how it was done. At the time, I was learning the rules of slow flight.One day my instructor, Ed Lusignan (who can forget the name of their first instructor?), says to me inside the cockpit of the Cessna 150, “You want to see how we can fly backwards?”At 21, I was up for anything. “Sure.” So he pulls back on the throttle, full flaps, pulls back on the yoke, nose up, and we slow down to about 43 knots. Stall speed ...