For the past 20 years, Dr. Casner has researched the effects of cockpit automation on pilot performance, as well as a number of other general aviation and air carrier safety topics. He holds an Airline Transport Pilot certificate with type ratings in the B737, A320, CE500, and CE510. Dr. Casner is a Gold Seal instrument flight instructor in both airplanes and helicopters and the author of two textbooks about cockpit automation used in general aviation and air transport aircraft. Ken Byrnes (see previous)