The DFC90 from Avidyne is an attitude-based digital autopilot system that is designed as a slide-in replacement for the S-TEC55X auto pilot in existing Entegra-equipped Cirrus SR20 and SR22 aircraft. The significant performance and safety benefits of the attitude-based DFC90 make it a very attractive upgrade for the more than 4,000 owners of Entegra-equipped Cirrus aircraft. The Release 8 software and Mod 55 PFD hardware upgrades enable the DFC90 autopilot to take advantage of the precision attitude information of Entegra's integrated Air Data and Attitude Heading Reference System (ADAHRS), without the need for costly wiring changes to the aircraft.
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