Travis L. Dahna is the founder and principal engineer for TD Aerospace LLC, a service-disabled veteran owned small business. He started his career 30 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 25 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 required interface with the geographic FAA offices. Following his time at the aircraft manufacturer, he assisted in the development and management of multiple Supplemental Type Certification (STC) Organization Designation Authorizations (ODA), holding positions as Principal Certification Engineer, Director of Engineering, and ODA administrator.He has been actively involved in several hundred certification projects, ranging from TC, STC, PMA, TSO, major alterations, and major repairs. In addition to duties as a consultant DER (14 CFR Part 23 and 25), 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.