I have 40 years of experience and specialize in the field of aeronautics with specific knowledge in the areas of aircraft construction, performance, operations, regulations and economics. I have published on such topics as aircarft design, flight operations, costs, air traffic control, training, crew currency and air service benefits to communities. I have testified 75 times on topics such as the design of airports and heliports, financing aircraft, facility construction and operational safeguards.