S-Tec 3100 Digital Autopilot

S-Tec 3100 Digital Autopilot. Digital Aircraft Autopilot Package. Modernize your aircraft’s flight control capability with the S-Tec 3100 Digital Autopilot System, a premium next-generation autopilot platform recognized for exceptional precision, smooth control authority, and advanced safety functionality. For aircraft owners and avionics shops seeking a true digital retrofit autopilot with modern features and strong integration capability, the S-Tec 3100 remains one of the most advanced solutions available in general aviation. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts

This listing includes a nearly complete 3-axis system, professionally removed from a 2002 Piper Saratoga in fully functioning condition. All included components have been tested, tagged, and verified free of defects, making this package a rare opportunity for installers and operators looking for an autopilot system that is installation-ready and backed by proven operational performance. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts

Whether you’re upgrading a legacy autopilot, replacing missing components, or adding high-end automation to reduce workload in IFR environments, the S-Tec 3100 delivers a major improvement in stability, safety, and cockpit confidence. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts

S-Tec 3100 Digital Autopilot

Full Digital Architecture for Smoother, Smarter Autopilot Performance

Unlike older analog autopilot systems, the S-Tec 3100 is built on a full digital autopilot architecture, providing more refined control inputs and greater stability in real-world flying conditions. Pilots and shops value the 3100 because it offers enhanced automation capability without the inconsistent performance and maintenance issues often associated with older autopilot systems. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts

Digital performance advantages include:

• Improved lateral and vertical stability
• Cleaner capture behavior and reduced oscillation
• Smooth correction inputs for passenger comfort
• More accurate tracking for IFR navigation procedures
• Reduced mechanical strain compared to legacy designs

This makes it a premium autopilot upgrade for aircraft owners who want modern flight control precision and safer automation support.

S-Tec 3100 Digital Autopilot

Advanced Modes and Safety Features for IFR and Cross-Country Flying

The S-Tec 3100 is highly regarded because it includes advanced features that support safer operations and reduce pilot workload in demanding environments. For pilots flying long legs, high-altitude routes, or busy IFR procedures, a true digital autopilot delivers measurable improvements in cockpit efficiency and situational management. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts

Commonly valued capabilities include:

• Altitude hold performance stability
• GPSS for precise lateral navigation
• VNAV capability for smoother vertical profiles
• Envelope protection features for enhanced safety margins
• Strong integration potential with modern navigation sources

With the right integration setup, these features help pilots maintain more consistent flight profiles while reducing workload during complex airspace operations. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts

S-Tec 3100 Digital Autopilot

Nearly Complete 3-Axis System Removed From a 2002 Piper Saratoga

This package was removed as a system from a 2002 PA-32 (Piper Saratoga), making it highly relevant for PA-32 installations and avionics modernization programs. It is offered as a nearly complete kit, providing key system components and servo assemblies needed for strong installation flexibility. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts

Removal from an active aircraft is important because it demonstrates proven operational performance prior to disassembly—especially when combined with post-removal testing and tagging.

Included Components

This autopilot package includes essential S-Tec 3100 system parts, controller components, and key servo assemblies.

S-Tec 3100 Digital Autopilot

Digital Autopilot Controller

• Rack included
• Backshell & connectors included
• Part Number: 01326-04-02-000

Servo Assemblies

• Pitch Servo: PN 0108-P1
• Roll Servo: PN 0106-R9
• Trim Servo: PN 0106-T8

Equipment Details

• System Type: S-Tec 3100 Digital Autopilot
• Configuration: Nearly complete 3-axis package
• Condition:
  • Removed from active aircraft
  • Fully tested with no defects
  • Tagged and verified to function as intended
• Aircraft of Origin: 2002 Piper Saratoga
• Ideal For: PA-32 installations, avionics upgrades, or replacement component sourcing

S-Tec 3100 Digital Autopilot

Why Pilots & Shops Choose the S-Tec 3100

The S-Tec 3100 is widely chosen because it provides modern capability in a retrofit-friendly system that’s proven in real GA operations.

Operators choose it for:

• Full digital stability and precise command authority
• Advanced functionality including altitude hold, GPSS, VNAV, and envelope protection
• Smooth performance in both VFR and IFR environments
• Compatibility with modern EFIS suites and GPS navigators
• Long-term reliability and reduced maintenance compared to legacy autopilots

S-Tec 3100 Digital Autopilot

A Rare, Tested, Tagged S-Tec 3100 Package Ready for Your Upgrade

This S-Tec 3100 Digital Autopilot System represents a premium opportunity to acquire a high-end, nearly complete 3-axis autopilot package that has been tested, tagged, and verified for proper performance. Removed from a functioning 2002 Piper Saratoga and offered with key servo assemblies and controller components, this system is ideal for avionics shops and aircraft owners who want to enhance cockpit automation, reduce workload, and gain the safety benefits of modern digital flight control technology. S-Tec 3100 Digital Autopilot | Affordable Aircraft Parts