C&L installing approved Garmin system in Saab 340 A&B model aircraft. BANGOR, Maine – C&L Aviation Services (C&L), a C&L Aviation Group company, has received STC approval by the FAA for its Saab 340 A&B ADS-B solution. The STC certifies the installation of dual Garmin GTX-3000 transponders and uses either the Garmin GDL-88 SBAS/WAAS GPS […]