Billy Palmertree, formerly general manager at Tomlinson Avionics of Texas, has joined US Aviation in Denton, Texas, to run the avionics department and FAA Part 145 repair station. Palmertree brings more than 20 years of experience in general aviation and corporate business jet avionics systems. “I am pleased to join such a stable and growing company. US Aviation has a great avionics and maintenance facility with plenty of expertise, and room to accommodate customer aircraft,” Palmertree said.