Unmatched EXPERIENCE Duncan Aviation is the only Rockwell Collinsauthorized facility that can perform repairs and upgrades to the TDR-94 and TDR-94D transponders required to comply with the ADS-B mandate. Duncan Aviation will provide same-day evaluations. Repairs have an average turntime of just three days. And when needed, same-day turns can be accommodated for a nominal fee when scheduled in advance. Duncan Aviation has a breadth of ADS-B experience that is unmatched in the industry. Contact a Duncan Aviation facility now to schedule. VISIT US AT AEA BOOTH #523/525. www.DuncanAviation.aero/adsbhttp://www.DuncanAviation.aero/adsb