Description
Overview
The Trio Pro Pilot Autopilot System is FAA STC-approved for single-engine Piper PA-24 Comanche models—including the PA-24-180, PA-24-250, PA-24-260, and PA-24-400. This advanced digital retrofit kit delivers precise, reliable tracking performance, making it the premier replacement for aging, costly legacy autopilots. Bring modern flight stabilization and cross-country workload reduction to your Comanche with a straightforward, compliant installation backed by U.S.-based support.
Features & Benefits
- FAA STC-Approved for Piper PA-24-180, -250, -260, and -400 (single-engine Comanches only)
- Comprehensive kit: All model-specific airframe mounting hardware, brackets, and pre-wired harnesses included
- Electrical compatibility: Configured for 28V (PA-24-400) or 14V (PA-24-180, -250, -260) systems—select your model at order placement
- Flexible mounting: Installs cleanly in a standard 3-1/8” instrument hole or open radio stack location
- Works with leading avionics: Seamlessly interfaces with Garmin, Aspen, uAvionix, Dynon, and legacy setups
- Installable by any licensed A&P/IA—no dealer restrictions or proprietary network waitlists
- U.S.-based support included with every system
What’s Included
- Trio Pro Pilot Autopilot Control Head
- Comanche-specific servo(s) and airframe mounting brackets
- Custom pre-wired harnesses
- FAA STC paperwork and Airplane Flight Manual Supplement (AFMS)
- Step-by-step installation and pilot documentation
- Direct access to expert technical support
Support & Warranty
Questions? Contact support or call (540) 309-6427. Installation kits are warranted by The STC Group LLC to be free from defects in materials or workmanship for the earlier of 3 years or 400 flight hours from the date of purchase (6 months / 200 flight hours for factory-repaired or overhauled exchange units). The STC Group’s sole remedy is repair, replacement, or refund at its discretion. The autopilot control head, servos, and electrical harnesses are manufactured and warranted exclusively by Trio Avionics Corporation, not The STC Group. See the full STC Group warranty terms.
Piper PA-24 Comanche Avionics Integration & Resources
- Panel Layout Adaptability: Perfectly suited for the Comanche’s cross-country panel layout. Fully compatible with original legacy vacuum instruments or modern electronic flight displays (including Garmin G5, GI 275, Aspen Evolution, uAvionix AV-30, or Dynon).
- Coupled Navigation Precision: Tracks cross-country flight plans and coupled GPS approaches, including LPV approaches with vertical guidance, when interfaced with standard WAAS navigators like the Garmin GPS 175, GI 355, 430W/530W, or GTN series. The Trio Pro Pilot does not provide coupled ILS approach capability.
- Download Manuals & AML: Review the official FAA Approved Model List (AML), STC documentation, and wiring schematics over at our Trio Autopilot Documentation & Support Center.
- Pre-Shipment Panel Verification: Every system is build-to-order to match your tail number and control system architecture. Following checkout completion, we will cross-reference your specific voltage requirements, N-number, and avionics stack before your custom kit is manufactured and shipped. For pre-purchase assistance, contact Jeff directly through our Panel Consultation Page.