William C KershnerEditor William C. Kershner received his early flight training from his father, William K. Kershner. He holds Commercial, Flight Instructor and Airline Transport Pilot certificates and has flown 22 types of airplanes, ranging in size from Cessna 150s o Boeing 777s, in his 15,000 flight hours. He works as an airline pilot and lives in Sewanee, Tennessee Read More Read Less