Trio Pro Pilot Rack Mount

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Part# 11-08556


Pro Pilot rack mount comes feature backlit nomenclature and bright LED indicators.
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


  • Trim Sensing with Annunciator
  • Remote Disconnect for Servos
  • Auto Servo Disconnect on Takeoff
  • Pilot Command Steering
  • Adjustable Trun Rate
  • Configurable Data Windows
  • Programmable Flight Timers
  • G Force Limit Protection
  • Emergency Course Reversal
  • Selectable Track Offset
  • Speed Controlled Bank Angle
  • GPS Data Scan
  • Turn Coordinator with Slip-Skid
  • Gold Standard Servos
  • Auto Trim
  • Fuel Management


Very capable auto pilot for the money! Fantastic customer support after the sale by Trio. STC for certified aircraft available through The STC Group.

February 26, 2019

This certified autopilot works well in my Cessna 172, in cruise and flying RNAV approaches. Like flying with a copilot!

Philip H
December 20, 2017


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Is the Trio Pro Pilot Rack Mount intended for use in certified aircraft or experimental aircraft only.

This unit can be used in experimental aircraft only. There is another version of the Trio Pro Pilot that is FAA Approved, but part # 11-08556 is for experimental aircraft.

Q: Does the Pro Pilot Stack Mount kit (Part # 11-08556) include servos and/or wiring harnesses?

No, this does not come with servos or a harness.

Q: Does the Stack Mount Pro Pilot include a pilot-accessible On/Off Switch, similar to the round gauge style unit?

The stack mount does not have an on/off switch. It relies on an external switch or breaker.

Q: Does the H-MODE pushbutton offer a means to switch from GPS-referenced horizontal control to Wing Leveler mode?

The H-Mode button does not offer a means to switch from GPS guidance. Wing lever mode is automatically invoked in the event of a loss of GPS.

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