Robert Mark Ketchum

Robert Mark Ketchum is an American aviation safety expert and author. He is a former pilot and has written several books on aviation safety, including "The Aviation Safety Handbook" and "The Pilot's Guide to Safety Management Systems". Ketchum has also worked as a consultant for several aviation companies and has provided expert testimony in several high-profile aviation cases. He is known for his expertise in aviation safety and his ability to communicate complex information in a clear and concise manner.