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What's New?

STC for Cessna Aircraft
The STC Group, LLC has been awarded a STC to allow installation of our Pro Pilot in Certified Aircraft.  If you are interested...

Click Here


Mandatory Service Bulletin Click Here

Pro Pilot Videos Here

The GX PRO autopilot is now available for use with the Garmin G3X EFIS

Pro Pilot Brochure

A Fuel Management system for the Pro Pilot is now a standard feature (no cost).  See it here.

Wing Servo Mounting Brackets are now available for the RV-7, RV-8, RV-9 & RV-10.  Installation illustration here.

RV-4 & RV-6 Wing Servo Mount Kit is here

Note: Specify which aircraft when ordering



















STC for Cessna 172, 175 & 182 is approved

The FAA has granted approval to The STC Group, LLC for installation of the Pro Pilot installation kits in Cessna 172, 175 and 182 aircraft. 

STC Documents HERE

The STC Group, LLC is working with the FAA on a number of aircraft types.  For current information, please contact them on their web site at http://www.thestcgroup.net

Schedules are subject to delay as approvals are not under the direct control of Trio Avionics or The STC Group, LLC.

Trio Avionics has been awarded a PMA for the Pro Pilot to be installed in these aircraft. 

Contact The STC Group, LLC for price and availability HERE

The STC Group, LLC designs and obtains regulatory approvals for the installation of Trio Avionics autopilots in certified aircraft.

The same outstanding warranty support that Trio Avionics provides to the Experimental community is provided for certified aircraft.

The experimental version of the autopilot cannot be used in certified aircraft!


Trio Avionics designs and manufactures autopilot products engineered for outstanding performance, while keeping them attractively priced for the Experimental, LSA and Warbird aircraft market.  Innovative design and the use of modern solid state sensors provides superior navigation capability at a price that was not possible until now.  Our products are designed by pilots for pilots, and we fly them every day. 

Pro Pilot Autopilot

GX PRO Autopilot

EZ Pilot Autopilot

Altitude Control Systems

Gold Standard Servos

Harness Assemblies

Do I Really Need An Autopilot?

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