Travis Dahna

Travis Dahna is the Principal member and Electrical Systems and Equipment DER for TD Aerospace, LLC, a professional aerospace engineering design and certification company based in Kansas. He started his career over 25 years ago as an avionics technician and troubleshooter in the United States Navy, where he served with distinction and was honorably discharged. As a Gulf War Veteran, Mr. Dahna joined the civilian aviation sector where he has worked on, designed, and certified a wide variety of new products and articles for the last 20 years. He has held positions as a senior electrical engineer for a large aircraft manufacturer and served as the Certification Coordinator for all the factory owned service/modification centers in the United States, providing all interface with the geographic FAA Aircraft Certification Offices for all standard certification STC projects. Following his time at the aircraft manufacturer, he assisted in the development of an STC ODA for a consulting company and held the position as the Principal Certification Engineer, while also training as an alternate ODA administrator.

He has been actively involved in several hundred certification projects, ranging from TC, STC, PMA, and Major Alterations. In addition to duties as a consultant DER (14 CFR Part 23 and 25), including major alterations, he holds positions as a unit member on several TC and STC Organization Designation Authorizations (ODA). Mr. Dahna's combination of practical experience, analytical knowledge, and in-depth certification experience brings a unique and viable approach to aircraft certification in an uncomplicated yet thorough manner.

2026 Aerospace Short Course: FAA Type Certification Process

Harold Rosenstein

Mr. Rosenstein was the Chief Engineer of Phantom Works-The Boeing Company's Advanced Development organization-with responsibility for new concepts, research programs and preliminary design. He retired in 2013 with 50 years of experience in developmental and production programs ranging from rotorcraft to large fixed-wing transport aircraft, both manned and unmanned. He has held various assignments with increasing levels of responsibility supporting Boeing's advanced fixed wing transports and V/STOL developments, including the development of the V-22 tiltrotor and the RAH-66 helicopter. He has taught university-level seminars on V/STOL engineering at Penn State, Nanjing University and the American Helicopter Society. He also belongs to numerous technical societies including the American Helicopter Society (AHS), and is a Senior Member-Emeritus of the American Institute of Aeronautics and Astronautics (AIAA). Mr. Rosenstein received the prestigious Paul E. Haueter Award from the American Helicopter Society for "Significant contributions to VTOL aircraft development" and holds numerous patents. In addition he is a Technical Fellow of the American Helicopter Society for "Notable and outstanding contributions to the vertical flight community."

2026 Aerospace Short Course: Fundamentals of V/STOL Rotorcraft

C. Bruce Stephens

C. Bruce Stephens is an FAA DER/EUM in the areas of EME, HIRF, Lightning, Fuel Systems, Structures and EWIS. His aircraft certification experience includes Beechcraft Starship, King Air, Bonanza, Baron, Hawker 4000, Hawker 800XP, Premier 1, JPATS, Learjet Model 45/75, Cessna Citation Latitude, and military projects related to Boeing 707, 737, 747, 767 KC-46A Tanker, and 777. Stephens continues to work on Part 27 and 29 rotorcrafts (MH139 Grey Wolf), and space vehicle certification projects. He has assisted several smaller companies with FAA EME certification projects and is interested in the certification requirements related to new EVTOL Aircraft. Stephens enjoys mentoring new FAA delegates and instructing several courses he has developed for The University of Kansas Aerospace Short Course program. These courses include HIRF, Lightning, EWIS, EZAP, DO-160, Fuel Systems, Introduction to EME, and EME Aircraft Testing/Certification. Stephens has been a Six-Sigma/Lean Master Black Belt consultant with experience in both aircraft and copper mining process improvement. He has instructed over 25 college courses, most being MBA level, including MBA Statistics, MBA Business Management, MBA Operations Management, MBA Six Sigma/Lean Production Management, Supply Chain Management, Six Sigma/Lean Black Belt and Green Belt. Universities Stephens has instructed at include Webster University, Friends University, Embry Riddle University, Southwestern College, Newman University and The University of Phoenix. He has an executive M.B.A. and M.S. in Management from Friends University and a B.S. in Industrial Technology from Wichita State University.

2026 Aerospace Short Course: Electrical Wiring Interconnection System (EWIS) and FAA Requirements

Darren Stout

Darren Stout is an EME/HIRF/Lightning ODA UM/AR at the Boeing Company. Darren has a wealth of experience in Electromagnetic Effects (EME), High Intensity Radiated Fields (HIRF), lightning effects, p-static effects, and transmitting personal electronic devices, RTCA/DO-160, MIL-STD-461, along with extensive experience in laboratory and aircraft testing. His experience is a result of over 30 combined years as an Electrical and EME engineer with Boeing, Lucent Technologies (Bell Labs), FAA, and BancTec. He also served six years in the United States Air Force as a B-52 navigator, instructor navigator, and radar navigator (bombardier), directing and performing higher headquarters missions including aircraft, systems, and munitions testing, and is a Desert Storm veteran. He has a BSEE degree in electrical engineering (lasers, fiber optics, and antenna arrays) from the University of Michigan - Ann Arbor, is an iNARTE certified EMC Engineer, and is a Level 2 Certified TEMPEST Professional.

2026 Aerospace Short Course: Introduction to RTCA DO-160 Qualification: Purpose, Testing and Design Considerations

Pascal Thalin

Pascal Thalin is a Senior Aerospace Expert and Instructor with Aero Mobility, a company engaged with engineering and development of advanced air mobility solutions. In various leadership roles with aircraft, engine and system manufacturers, he has gained longstanding experience in R&D, certification, program management, and business development of power, propulsion, actuation, and avionics systems for a wide range of aircraft. He is a long-standing member of SAE in aeronautics, serving in several key committee roles related to air mobility, including leading standardization. As for sustainable solutions for aerospace, spanning across key topics such as electrification, and alternative fuels including Sustainable Alternative Fuels (SAF) and Hydrogen, his primary focus is on how to best support industry efforts in the lead-up to net-zero carbon emissions in the foreseeable future. This includes helping address challenges coming with wider uptake of SAF, leapfrog hydrogen-based powertrains, and related infrastructure. This also includes synergistic approaches with other mobility sectors. For conventional, hybrid-electric and electric aircraft, along with sustainable aviation in general, he is committed to optimized solutions in design, certification, operations, and business. His publications include the book Fundamentals of Electric Aircraft, which offers in-depth insights into innovative architectures and technologies enabling aircraft electrification. Pascal holds an engineering degree from INP-ENSEEIHT, and a Ph.D. in electrical engineering from the National Polytechnic Institute of Toulouse, France.

2026 Aerospace Short Course: Aircraft Electrification: Architectures, Technologies, and Components