Captain Shem Malmquist, FRAeS

Melbourne Beach, Florida

General Specialty

Accident Reconstruction
Aviation & Aerospace

Specialty Focus

Airline Safety
Complex System Analysis Downburst
Human Factors
International Airline Operations
Safety Analysis
System Safety
Weather Radar

Primary Areas of Expertise

Aviation, Aerospace & Accident Reconstruction

Captain Malmquist is an expert that combines almost 50 years of being a pilot with many years of experience as an accident investigator as well as teaching safety and accident investigation at the university level. Malmquist has also worked as an expert witness, applying system theoretic analysis, in major trials.

Expert witness in civil and commercial aviation, accident investigation and complex safety-critical systems.

Most experts specialize in a single domain, typically very narrow in scope. As a result, it is common for a complex case to require multiple expert witnesses. This can dramatically increase the cost and complexity of your cases.  Malmquist is an experienced expert, comfortable with both depositions and trial testimony, combining almost 50 years of being a pilot with many years of experience as an accident investigator as well as teaching safety and accident investigation at the university level.

Malmquist has specialized in applying system theoretic analysis in major trials. These methods, developed by MIT researchers, provide a solid, traceable, foundation for understanding and explaining accidents involving complex systems. This goes far beyond just opinion as the basis of the analysis can be shown to be complete, rather than ad hoc. Malmquist is a visiting instructor at the Florida Institute of Technology and an active current B-777 captain. In addition to being an international pilot for the bulk of the last 37 years, he has taught aerobatics and instructed in a variety of both general aviation and transport aircraft. Captain Malmquist has published numerous technical and academic articles stemming from his work on flight safety and accident investigation. His most recent work has involved approaches to risk analysis and accident prevention utilizing MIT’s System Theoretic Accident Models and Processes (STAMP) and facilitating the integration of these methods on behalf of several organizations.

An elected Fellow of the Royal Aeronautical Society, Malmquist’s past work includes Automation and Human Factors lead for the Commercial Aviation Safety Team’s Joint Safety Implementation Team, Loss of Control working group, as well as the Aircraft State Awareness working group and the Joint Implementation Measurement and Data Analysis Team.  Malmquist is a full member of ISASI, and a member of the Resilience Engineering Association, AIAA, the Human Factors and Ergonomics Society, IEEE, the Flight Safety Foundation and SAE where he also serves as a voting member of the Flight Deck and Handling Quality Standards for Transport Aircraft committee, the Aerospace Behavior Engineering Technology, Modeling, Simulation and Training for Emerging AV and the Aircraft and System Development and Safety Assessment Committee and the Lithium Battery Packaging Performance Committees.



  • MSc Human Factors in Aeronautics, Florida Institute of Technlogy
  • BSc Aeronautical Science, Embry-Riddle Aeronautical University
  • ASc Commercial Flight, Mount San Antonio College



  • ATP – Single and Multi-Engine Land, Type Ratings: B-777, MD-11, B-727, EMB-110.
  • Flight Engineer – Turbojet. Served as Flight Engineer on B-727 and B-747.
  • Advanced and Instrument Ground Instructor.
  • CFI-MEI (expired).

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