Certified for Grumman Aircraft
The Trio ProPilot is FAA-approved for the most popular Grumman airframes. Each installation kit is complete and ready for your A&P or IA.
-
✔️ AA-5 Traveler
-
✔️ AA-5A Cheetah
-
✔️ AA-5B Tiger
-
✔️ AG-5B Tiger
FAA-Approved Across all Grumman Four Seat Series Airframes
The Trio ProPilot is FAA-approved for the AA5 Series Grumman aircraft—from the earliest AA5 Travelers to the last AG5B Tiger. Explore your upgrade options.
Installation Support Included
Complete Kits and Installation Guidance
All Trio autopilots include the industry’s most complete installation kits. Documentation, guidance, and support are available to help your shop or AP/IA every step of the way.
Upgrade Ready for the Modern Cockpit
Modern Flight Control Meets Vintage Airframes
Whether you’re flying with classic steam gauges or have added an EFIS, Trio adapts to your aircraft—and budget. The system works with or without an EFIS and can unlock EFIS integration later.
Enjoy stabilized flight and reduced workload in your Grumman Traveler. With FAA approval and a complete installation kit, the Trio ProPilot brings modern autopilot control to this early-generation airframe.
Whether you’re cruising VFR or flying IFR approaches, the Cheetah benefits from Trio’s certified autopilot precision. This system is approved for the AA-5A and includes expert install support.
FAA-approved for the AA-5B and newer AG-5B Tigers, Trio delivers dependable effortless control for serious cross-country flying. Whether flying IFR or cruising VFR, the ProPilot enhances stability, reduces workload, and adds confidence in every phase of flight.
Easy Installation
Engineered for quick installs with complete, aircraft-specific kits and unmatched documentation.
FAA Approved
Fully certified for Grumman AA5, AA5A, AA5B, AG5B with STC and AFMS included—no guesswork.
Installer Friendly
Your A&P/IA will thank you. Trio systems are made for efficient installs with direct support available.
Legacy Aircraft Focus
Our mission is to bring modern autopilot safety to the Grumman legacy aircraft at an affordable price..
EFIS & GPS Compatibility
✅ Compatible EFIS Systems Include:
-
Aspen Evolution, E5, ProMax – Approved
-
Garmin G5 – With GAD29 B/D
-
Dynon SkyView – Unlock available
-
Garmin GI 275 – Expected 2025
-
uAvionix AV-30C – Expected 2025
✅ Compatible GPS Units
Trio Autopilot works with a wide range of panel-mounted and portable GPS systems from leading manufacturers:
-
Garmin – GTN, GNS, AERA, GPSMAP, G3X, and legacy series
-
Avidyne – IFD Series
-
Dynon – SkyView HDX (via ARINC-429 converter)
-
Aspen Avionics – EFD1000 Series
-
IFLY GPS – Compatible portable solutions
-
Other brands supported – Including AVMAP, BendixKing, Lowrance, AnywhereMap, and more
📄 View Full GPS & Avionics Compatibility List (PDF)
📅 Ready to Discuss an Upgrade For Your Grumman?
Documentation & Downloads
🧾 LEGAL DOCUMENTS
🛡️Compliance + Reference Pack (ZIP)
Compliance & Reference Pack (04/2025)
This pack includes all regulatory and compliance documentation such as the STC, AML, FAA 337 Form Examples, Software Logbook Entries, and Compatibility Lists — ideal for shops and inspectors needing verified certification references.
🔹 Trio Autopilot STC (10/2017)
Trio Autopilot FAA STC – SA04230CH
Official Supplemental Type Certificate documentation required for certified installation of the Trio Pro Pilot Autopilot.
🔗 View STC PDF |
⬇️ Trio Autopilot Approved Model List – SA04230CH AML (Signed)
Official FAA Approved Model List (AML) signed by STC Group. Lists all aircraft models certified for use with the Trio Pro Pilot Autopilot.
🔗 View Approved Models List |
⬇️ Download Approved Models List
🔹 Trio Autopilot FAA 337 Form Example (02/2025)
Trio Autopilot FAA 337 Form Example – (02/2025)
Example of FAA Form 337 for field approval of a certified Trio Pro Pilot Autopilot installation. Provided as a reference for installers and IAs.
🔹 EFIS Compatibility List (09/2024)
List of EFIS and GPS systems approved for use or under review for future integration with Trio.
🔗 View List | ⬇️ Download PDF
🔹Avionics Compatibility List Rev F
Trio Autopilot GPS Compatibility List – REV F
Latest approved avionics and GPS units compatible with the Trio Pro Pilot Autopilot system.
🔹Trio Autopilot Software Upgrade Log Book Entry Sample
Trio Pro Pilot Software Upgrade Example
Illustrative example showing a log book entry for a Trio Pro Pilot Autopilot software upgrade.
🔗 View Software Upgrade Example |
⬇️ Download Software Upgrade Example
🔹Weight & Balance Example
Trio Autopilot Weight & Balance Example
Sample weight and balance documentation to assist with Trio Pro Pilot Autopilot installation certification.
🔗 View Weight & Balance Example |
⬇️ Download Weight & Balance Example
🔹Airframe Specific Weight & Balance Entry Help
Airframe-Specific Weight & Balance Information
For weight and balance documentation tailored to your aircraft model, please contact our certification partner directly.
📧 Email Jeff Odum at STC Group for aircraft-specific weight and balance documentation.
🧑✈️ PILOT RESOURCES
📘Pilot Resource Zip Pack (ZIP)
Pilot Resource Pack (04/2025)
This downloadable ZIP contains all current pilot-oriented resources for Trio Autopilot use and safety. Includes the Certified ProPilot Manual, Flight Manual Supplement, Avionics Addendum, and Gain Setting Charts.
🔹 Certified ProPilot Manual (12/2024)
Trio Pro Pilot Operations Manual – 12/2024
Official pilot operating manual for the certified Trio Pro Pilot Autopilot system. Includes safety features, modes, and usage guidance.
🔹 Airplane Flight Manual Supplement (09/2024) - Fillable
Trio Autopilot Flight Manual Supplement (AFMS) – FILLABLE – L-1006-01 Rev D (09/2024)
Fillable version of the official Flight Manual Supplement required for certified installations of the Trio Pro Pilot Autopilot.
🔗 View AFMS |
⬇️ Download AFMS
🔹 Avionics Addendum (08/2023)
Trio Autopilot Avionics Addendum – E-1006-12 Rev B (08/2023)
Supplemental avionics integration guidance for use with the Trio Pro Pilot Autopilot system. Includes information on supported configurations and settings.
🔹 Trio Autopilot Servo Gain Settings Flow Chart
Trio Autopilot Servo Gain Settings Flow Chart
Visual guide for adjusting servo gain settings on the Trio Pro Pilot Autopilot. Use during configuration and fine-tuning of control responsiveness.
🔗 View Servo Gain Flow Chart |
⬇️ Download Servo Gain Flow Chart
🔹 LNAV Gain Setting Flow Chart
Trio Autopilot LNAV Gain Setting Flow
Flowchart outlining recommended procedures for configuring lateral navigation (LNAV) gain settings on the Trio Pro Pilot Autopilot.
🔗 View LNAV Gain Setting Flow |
⬇️ Download LNAV Gain Setting Flow
🔹 VNAV Gain Setting Flow Chart
Trio Autopilot VNAV Gain Setting Flowchart
Flowchart outlining recommended procedures for configuring vertical navigation (VNAV) gain settings on the Trio Pro Pilot Autopilot.
🔗 View VNAV Gain Setting Flow |
⬇️ Download VNAV Gain Setting Flow
🔹 Instructions for Continued Airworthyness L-1006-02 REV M 09/2024
Instructions for Continued Airworthiness – L-1006-02 Rev M (09/2024)
Required ICA documentation for ongoing airworthiness compliance of aircraft equipped with the Trio Pro Pilot Autopilot.
🛠 INSTALLER RESOURCES
🧰 Installer Documents Pack (ZIP)
Installer Document Pack (04/2025)
Download all essential documentation needed for Trio Autopilot installation. This pack includes the latest Installation Manual, Wiring Diagrams, Pinout Charts, and the official AML for certification reference.
🔹 ProPilot Installation Manual
Not available for Direct Download. Contact Jeff by email
🔹 New Trio Autopilot System Wiring Diagram 09/2024
Trio Autopilot Wiring Diagram – REV 19 (09/2024)
Full system wiring diagram for the certified Trio Pro Pilot Autopilot. Use this document for reference during installation and troubleshooting.
🔹 Trio Pro Pilot External Air Data Wiring Diagram 09/2024
Trio Pro Pilot External Air Data Wiring Diagram – 09/2024
Wiring diagram for integrating external air data sources with the Trio Pro Pilot Autopilot. Reference during EFIS or GPS integration.
🔗 View Air Data Wiring Diagram |
⬇️ Download Air Data Wiring Diagram
🔹 EFIS System Data Test
EFIS System Data Test
Reference document for validating EFIS signal integrity and data compatibility with the Trio Pro Pilot Autopilot.
🔹GPS Wiring Diagram (02/2025)
Pinout diagram for GPS wiring connections on the Trio Autopilot
🔗 View Diagram |
⬇️ Download Diagram
🔹GPS System Data Test
GPS System Data Test
Reference document for validating GPS data signal integrity and compatibility with the Trio Pro Pilot Autopilot system.
🔹 Audio Panel Wiring Pin Out (09/2022)
Audio Panel Wiring Pin Out
Pinout diagram for wiring audio panels to the Trio Pro Pilot Autopilot. Use this for guidance during audio system integration.
🔗 View Audio Panel Pin Out |
⬇️ Download Audio Panel Pin Out
🔹Pitot Static Connections 04/2024
Pitot Static Connections – 04/2024
Pitot-static connection guide for installing the Trio Pro Pilot Autopilot in certified aircraft.
🔗 View Pitot-Static Diagram |
⬇️ Download Pitot-Static Diagram
🔹Trio Pro Pilot Post installation Flight Test Cards
Trio Autopilot Post Installation Test Flight Cards – F-1006-43 Rev E
Required checklist and documentation for validating performance after installation of the Trio Pro Pilot Autopilot.