David L. Kohlman

David L. Kohlman, Ph.D., P.E.

Principal, Emeritus

Dr. Kohlman is a Principal Engineer, Emeritus for ESi. For 52 years he has been actively involved in industry, education, research, and consulting. Dr. Kohlman has participated in and directed numerous flight test programs and simulator development projects, developed several aeronautical engineering short courses that are taught world-wide, and has participated in over 300 investigations of aircraft accidents, using creative techniques to determine the cause. In addition, he has been a consultant to manufacturers, simulator manufacturers, the FAA, and NASA. Dr. Kohlman has written a book on V/STOL airplanes and authored over 50 technical papers and reports. He is a Fellow of the American Institute of Aeronautics and Astronautics (AIAA). He is also a licensed, instrument rated pilot with over 3200 hours of flight time and a licensed ground instructor.


  • Introduction to V/STOL Airplanes, Iowa State University Press, January 1981
  • Flight Test Results for an Advanced Technology Light Airplane, Journal of Aircraft, April 1979
  • Your First Five Years, AIAA Student Journal, December 1979
  • Professionalism and the AIAA, AIAA Student Journal, May 1978
  • How to Create a Graph, AIAA Student Journal, May 1977
  • Evaluation of Spoilers for Light Aircraft Flight Path Control, Journal of Aircraft, August 1974
  • The Grudging Progress of Lightplane Design, Air Progress, January 1974
  • Is Aerospace Engineering Obsolete? No, But It Needs an Overhaul, Astronautics and Aeronautics, June 1972
  • Vortex Breakdown on Slender Sharp-Edged Wings, Journal of Aircraft, January 1971
  • Experiments on the Use of Dry Ice Ablating Wind-Tunnel Models, Journal of Spacecraft and Rockets, January 1969
  • See CV for further publications

Home Office


4775 Centennial Boulevard Suite 106 Colorado Springs, CO 80919
  • Phone: (719) 535-0400
  • Fax: (719) 535-0402

Areas of Expertise

ESi's expertise spans dozens of industries and specializations organized across several practice groups, each staffed by dozens of in-house experts with the technical knowledge, hands-on expertise, and courtroom experience required to execute projects for and with our clients from start to finish.

Contact Us