Welcome to Gerdes Aviation Services. We are Southern California’s premier FAA Approved Repair Station for Pitot/Static and Transponder testing services. For over 25 years we have been specializing in mobile 14 CFR 91.411 and 91.413 testing, troubleshooting and repairs on general aviation and small business jet aircraft. You can fly in to our fixed base at Fullerton Municipal airport or we can send our experienced technician and specialized equipment directly to your aircraft at over 20 airports in Los Angeles, Orange, Riverside, and San Bernardino counties. Call Today to learn more about our mobile pitot/static services and see how we can save you both time and money.