The 900AST (Advanced Systems Tester) from 3M quickly locates and accurately analyzes avionics wiring problems resulting from vibration, moisture, and age. It helps reduce downtime and minimize AOG expenses. The tester supports a full range of tests to categorize and sectionalize potential problems. It features built-in internal help menus and eliminates guesswork in sectionalizing faults. For more information visit www.3m.com/aerospace or call (800) 426-8688.