The Avidyne DFC 90 Attitued Based Autopilot System has all the standard vertical and lateral modes of operation typically found in turbine class autopilots including FD, Altitude Hold, Airspeed Hold, Vertical Speed Hold, HDG, Nav, APPR, LOC/GS, and GPSS Modes.
Certified to work with Avidyne and Aspen PFDs in Several Cirrus, Bonanzas, Cessna 182s, and Piper PA-46 series aircraft.