Jim Tilmon has a rich history of providing detailed analysis of aviation events, including general and commercial aviation accidents, the business of aviation, aviation security, airport and aircraft design, aviation labor relations, aviation training and passenger comfort and education. He has testified numerous times in court and provided background information and depositions for trial preparation for aviation cases. 

He has served as an expert witness in the areas of aviation and weather for many legal firms in Chicago. Most recently he has provided his expertise on an aviation case to a firm in San Francisco.