James Walters is a Captain with a major U.S. airline and is Chairman of the Accident Investigation Board for the Airline Pilots Association, International. He is completing studies toward a master's degree in aeronautical science/safety from Embry Riddle Aeronautical University and is a graduate of the Transportation Safety Institute. He frequently participates in National Transportation Safety Board accident investigations and disaster preparedness training exercises conducted by airports worldwide.

Robert Sumwalt is a Captain for a major international airline. Having received training as an aircraft accident investigator from the NTSB, he participates in air carrier accident investigations and also in aviation safety research. A consultant to the NASA Aviation Safety Reporting System, he is the author of numerous aviation articles, training texts, and manuals on aircraft operations, human factors, aircraft accident investigation, and airline policies and procedures.

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