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American Airlines Flight 587
Belle Harbor, New York
November 12, 2001
Public Hearing
October 29-November 1, 2002

Technical Panel Members


John C. Clark, NTSB
Director, Office of Aviation Safety

Employed at the National Transportation Safety Board since September 1981, John Clark was appointed Director of the Office of Aviation Safety in January 2001. Mr. Clark has also served the Board as the Deputy Director of the Office of Research and Engineering, Deputy Director of Technical Investigations and Operations in the Office of Aviation Safety, Chief of the Vehicle Performance Division, Senior Aerospace Engineer and National Resource Specialist in the Engineering Services Division, and as an Aerospace Engineer in the Laboratory Services and Survival Factors Divisions.

While at the Safety Board, Mr. Clark has participated in many major aviation accident investigations, starting with the 1982 Air Florida accident in Washington, D.C. Others include the 1987 Northwest Airlines DC-9 accident in Detroit, Michigan; the 1988 Delta Air Lines Boeing 727 accident in Dallas, Texas; the 1989 United Airlines DC-10 accident in Sioux City, Iowa; the 1991 United Airlines Boeing 737 accident in Colorado Springs, Colorado; the 1994 USAir Boeing 737 accident in Aliquippa, Pennsylvania; the 1996 TWA Boeing 747 accident near East Moriches, New York; and the 1999 EgyptAir Boeing 767 accident near Nantucket, Massachusetts. He has also been instrumental in conducting special studies at the Board, including a multi-phased general aviation crashworthiness project, investigations of DC-10 brakes and Piper Malibu in-flight breakups, and a wake turbulence study that resulted in the FAA revising aircraft separation standards. Mr. Clark has twice received the Chairman's Award, the Safety Board's highest distinction, which recognizes long-term contributions to the agency's mission.

Before joining the Safety Board, Mr. Clark was employed for 2 years at Flight Safety International, where he designed simulators, and for 13 years at Beech Aircraft Corporation, where he worked in the company's Missile Division and as an accident investigator on crashworthiness issues.

Mr. Clark has a Bachelor of Science degree in aeronautical engineering from Wichita State University and holds a private pilot certificate with a glider and instrument rating.


Dr. Vernon S. Ellingstad, NTSB
Director, Office of Research and Engineering

As Director of the Office of Research and Engineering, Dr. Ellingstad supervises the Board's laboratories, computer and engineering services, safety studies, data analysis, and information management activities. The Office of Research and Engineering provides scientific, technical and engineering support to accident investigations in all transportation modes. He joined the Safety Board in June 1990 as Deputy Director of the Office of Research and Engineering.

Dr. Ellingstad had previously served as Professor of Psychology, Chairman of the Psychology Department, and Director of the Human Factors Laboratory at the University of South Dakota. During his academic career he was involved in a variety of transportation research including laboratory and on-the-road studies of driver performance, as well as program evaluation studies of the U.S. Department of Transportation's Alcohol Safety Action Projects. His research in the University of South Dakota Human Factors Laboratory also focused on a variety of human factors issues in information displays for computer controlled systems.

Dr. Ellingstad received his Masters and Ph.D. in Human Factors Psychology from the University of South Dakota in 1967 and 1969 respectively. He earned his B.A. in Psychology from the Wisconsin State University at Eau Claire in 1965. He is a member of the Human Factors and Ergonomics Society, the American Psychological Society, and the American Psychological Association.



Thomas Haueter, NTSB
Deputy Director, Office of Aviation Safety

Mr. Haueter has been employed by the NTSB for 18 years. He has worked as an airworthiness investigator, an Investigator-in-Charge (IIC) of domestic aviation accidents, and as the U.S. Accredited Representative for foreign aviation accidents. He was Chief of the Major Investigations Division and for the past year has been the Acting Deputy Director for Major Investigations in the Office of Aviation Safety. He was the IIC for the investigation of the USAir flight 427 accident, the Eastwind flight 527 incident, and the U.S. Accredited Representative on the accident involving a COPA Airlines Boeing 737. He was the IIC on the accident involving an Atlantic Southeast Airlines Embraer 120 at Brunswick, Georgia, that claimed the life of Senator John Tower and for the midair collision at Philadelphia that claimed the life of Senator Heinz. Additionally, he was the lead NTSB investigator assisting the U.S. Air Force in the investigation of the CT-43A that crashed near Dubrovnik, Croatia, killing then Commerce Secretary Ron Brown and 34 others.

Prior to joining the Safety Board, he was the deputy manager/program manager of a research and development group for an engineering and professional services corporation. Additional experience includes development and assessment of composite material structures, airframe design and testing, gas turbine engine design, and assessments of emerging technologies.

Mr. Haueter's educational background includes an MBA in Operations Research and International Business from George Mason University, and a BS in Aeronautical and Astronautical Engineering from Purdue University. He holds a commercial pilot's license with an instrument rating, and regularly flies a 1943 Stearman airplane that he restored.


Dr. Alan S. Kushner, NTSB
Deputy Director, Office of Research and Engineering

Dr. Kushner joined the Safety Board in January 2001. Prior to coming to the Safety Board he served as Professor and Chairman of the Department of Mechanical Engineering at the State University of New York at Stony Brook from 1988 to 2001. While at Stony Brook he directed research programs sponsored by the Office of Naval Research, Defense Advanced Research Projects Agency and the National Science Foundation on structural buckling and collapse and material failure.

Prior to joining Stony Brook Dr. Kushner was a Program Manager for Solid Mechanics and Advanced Scientific Computing at the Office of Naval Research and worked for 15 years as a research and development engineer in private industry and a government laboratory. Dr. Kushner is a Fellow of the American Society of Mechanical Engineers (ASME) and the U.S. Association of Computational Mechanics (USACM). Has served as Chair of the Computing in Applied Mechanics Committee of ASME, and as a member of the External Review Committee of the Vehicle Technology Research Division at the Office of Naval Research. He has also participated as a member of the Advisory Committee for the Navy Hydro Tech Center, and a member of the Advisory Board for the National Center for Composite Materials Research at the University of Illinois.
Dr. Kushner received his B.S. in Mechanical Engineering from New York University in 1968. In 1973 he was awarded a Master's degree in Engineering from Johns Hopkins University. He received his Ph.D. in Mechanical Engineering from University of Maryland in 1976.


Robert Benzon, NTSB
Deputy Chief, Major Investigations Division and
Investigator-in-Charge, American Airlines flight 587

Mr. Benzon joined the Safety Board in 1984 as an Investigator-in-Charge within the Office of Aviation Safety. Among the major accidents he has directed at the NTSB were the 1987 crash of a Continental Airlines DC-9 in Denver, Colorado; the 1989 crash of a USAir 737 at LaGuardia Airport; the crashes of cargo airliners in Newark, New Jersey and Miami, Florida, both in 1997; the 1999 crash of the corporate jet that took the life of professional golfer Payne Stewart; the 2000 runway overrun of a Southwest Airlines 737 in Burbank, California; and last year's crash of a twin-engined plane in Colorado that killed players and associates of the Oklahoma State University basketball team. He has been the U.S. accredited representative at a number of foreign aircraft accidents, including the 1988 bombing of Pan Am flight 103 over Lockerbie, Scotland.

Before joining the NTSB he served in the United States Air Force from 1971 to 1983 as a senior pilot flying Douglas C-47s and Boeing KC-135s. He obtained his bachelor's degree in History from Eastern Carolina University.


Lorenda Ward, NTSB
Aviation Safety Investigator, Hearing Officer

Ms. Lorenda Ward joined the Safety Board in November 1998 and has worked as a structures group chairman and within the past year as an investigator-in-charge for the office of aviation safety. She was the structures group chairman on EgyptAir flight 990, Alaska Air flight 261, and several general aviation mid-air collisions and in-flight break-ups. She has traveled to the Kingdom of Bahrain, China, and Germany to assist the state representatives with their accident investigations. She also worked on scene for the American Airlines flight 587 accident.

Ms. Ward has both a master's and bachelor's degree in aerospace engineering. Prior to coming to the Safety Board, Ms. Ward worked as an aerospace engineer at the Naval Aviation Depot in Jacksonville, Florida, where she worked on both the F-14 and EA-6B programs. She also has a private pilot's license.


Dr. Malcolm Brenner, NTSB
National Resource Specialist - Human Performance

Malcolm Brenner holds a B.A. degree from Boston University, an M.A. degree from Stanford University, and a Ph.D. from the University of Michigan all in Psychology.

Before joining the Safety Board, Dr. Brenner conducted research on human performance for the National Aeronautics and Space Administration (NASA) and the U. S. Air Force. He has served as an expert witness for the U.S. Senate Judiciary Committee as well as in litigation resulting from major aviation accidents. Since joining the Safety Board, he has helped investigate human performance issues in dozens of major transportation accidents including those involving USAirways Flight 427 at Pittsburgh and EgyptAir Flight 990 off Quonset Point, Rhode Island. Dr. Brenner is also a private pilot.


Captain Dave Ivey, NTSB
Air Safety Investigator- Operational Factors

Captain Ivey attended North Carolina State University and received a B.S. in Aerospace Engineering in 1965. After college he entered the United States Air Force and flew F-4 fighter airplanes until concluding military service in 1970. Captain Ivey received an M.S. degree in Aerospace Operations Management from the University of Southern California in 1970, then joined Eastern Airlines, Inc. and flew with the airline until 1991. Throughout his commercial aviation career Captain Ivey accumulated about 14,000 hours of total flying time in L-188, B-727, and DC-9 airplanes. He joined the Safety Board in January 1991 and has served continuously as an Operational Factors Air Safety Investigator.


Dr. Matt Fox, NTSB
Materials Engineer

Dr. Fox has been employed as a materials engineer at the National Transportation Safety Board (NTSB) since October 1999. During that time he has examined a wide variety of components from different modes of transportation, including aviation, rail, pipeline, and marine. He led the materials examination of several major accidents, including the train derailment and hazardous material spill at Eunice, Louisiana, and the gasoline spill in Greenville, Texas, and assisted in the examination of components from Alaska Airlines flight 261. From 1989 to 1993, Dr. Fox was a cooperative education student with Argonne National Laboratory, researching corrosion of metals and ceramics in a liquid lithium environment and studying stress corrosion cracking of stainless steels in an aqueous environment.

Dr. Fox earned his Ph.D. (1999) and M.S.E. (1995) in Materials Science and Engineering from the University of Michigan. He earned his B.S. (1993) in Materials Science and Engineering from Purdue University.


Steve Magladry, NTSB
Air Safety Investigator - Systems

Mr. Magladry joined the Safety Board in May 2000 and has since served as a Systems Group Chairman or otherwise assisted on accidents involving numerous airplane types: Lear 55; Dornier 328; Fokker F100; Grumman G-159; Gulfstream III; Boeing 737, 767, and 747-400; DC-9; MD-88; and Airbus A320.

Prior to coming to the Safety Board he earned a BS degree in Electrical Engineering from the University of Washington, and worked for The Boeing Company in Seattle, Washington for 13 years. He began his career with Boeing writing maintenance and troubleshooting documents, primarily for analog and digital autoflight systems. He moved on to provide technical assistance to airline operators in the areas of mechanical flight controls, hydraulics, and landing gear.


Brian Murphy, NTSB
Air Safety Investigator - Structures

Brian Murphy graduated from the University of Delaware in 1990 with a Bachelors degree in Mechanical Engineering. His industry experiences include nearly ten years of performing detailed strength, fatigue and damage tolerance analysis on a variety of metallic and composite structure. While working in industry he participated as a structures stress analyst on several programs including; 777 empennage and 767 fixed leading edge redesign (Boeing Commercial Airplane Group), GV fuselage (Gulfstream), and the BB609 civil tilt rotor empennage (Boeing Helicopters & The Aerostructures Corporation).

Prior to joining the NTSB he worked for the FAA for two years as a certification engineer in the area of structures on the S61, S76 & S92 (Sikorsky) helicopter programs. Since joining the Safety Board in September 2000 Mr. Murphy has been the structures group chairman on over a half dozen aviation accidents and/or incidents. Mr. Murphy is also a private pilot.

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