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Modern Garmin glass cockpit avionics panel

Upgrade Your Aircraft's Safety and Performance

Premier FAA-Certified & OEM-Authorized Avionics Shopat Tallahassee International Airport (KTLH)

Stratus by Appareo
Garmin
Avidyne
FreeFlight Systems

FAA Part 145 Avionics Repair Station (#5FVR692B)

Authorized Service Center for Major Avionics Manufacturers

Factory-Trained Technicians for Leading Avionics Parts

Extensive Diagnostic and Testing Equipment

Services We Provide

A complete avionics solution — from glass cockpit retrofits to FAA compliance testing.

Installations & Upgrades

  • Glass Cockpit Retrofits (Garmin, Avidyne)
  • WAAS-certified GPS & Navigation
  • Autopilot Installation & Calibration
  • Custom Panel Fabrication

FAA Compliance Testing

  • 91.411 Altimeter System Checks
  • 91.413 Transponder Inspections
  • RVSM STC Solutions
  • Bi-annual Certification Support

Repair & Troubleshooting

  • Electrical & Wiring Diagnostics
  • Radio & Comms Repair
  • Instrument Calibration
  • Autopilot Fault Isolation

Situational Awareness

  • ADS-B Out/In Compliance
  • Traffic & Weather System Integration
  • Digital Engine Monitoring (EGT/CHT)
  • Fuel Flow Tracking Systems

Specialized Diagnostics

  • Pitot-Static Discrepancies
  • Harness & Wiring Integrity
  • Software Upgrades & Updates
  • IFR Certification Testing

Pre-Purchase Evaluations

  • Thorough Avionics Health Audits
  • Logbook & Documentation Review
  • Investment Analysis for Buyers

Why Flightline Group (FGI)?

Our avionics department isn't a side operation — it's a dedicated, FAA-certified repair station backed by factory authorization and decades of hands-on experience.

FAA Part 145 Repair Station

  • Certificate #5FVR692B
  • Full return-to-service authority
  • FAA-mandated quality control

OEM-Authorized Dealer

  • Garmin Authorized Dealer
  • Avidyne Authorized Service Center
  • Appareo & FreeFlight Certified

Factory-Trained Technicians

  • Annual OEM recertification
  • Glass cockpit & legacy expertise
  • Piper, Kodiak & Cirrus specialists

Full-Service Scope

  • New installations & panel upgrades
  • Troubleshooting & component repair
  • ADS-B, ELT & Transponder certs

Advanced Diagnostics

  • IFR certification testing
  • Pitot-static & transponder test sets
  • Harness & wiring integrity analysis

Turnaround & Coordination

  • Combined maintenance scheduling
  • Direct OEM parts sourcing
  • Transparent timelines & pricing

Expert Leadership

Erin Duebendorfer

Erin Duebendorfer

VP Technical Services

Erin holds an A&P mechanic's license and is trained on Kodiak and TBM aircraft, as well as P&WC PT6 engines. He joined Flightline after 11 years at the Daher Kodiak factory, where he held several roles including production assembler, quality control inspector, repair station technician, and technical support management.

Joe Volker

Joe Volker

Avionics Manager

Avionics & Electronics specialist. FAA Mechanic Certificate — Airframe Rating. FAA Certified Repairman. NCATT Aircraft Electronics Technician Certificate with Endorsements. Factory trained by Garmin, Honeywell, S-Tec, Avidyne, and Rockwell Collins.

Trusted by Pilots & Operators

Very, VERY, professional people all around. They go above and beyond to make sure all your needs are met, plus anything additional your aircraft might need. They don't avoid work, they embrace it! Very knowledgeable as well.

— Garrett Munguia

Amazing group of people who act as a team to take care of their customers. From the Admin to Sales, to the heart of the Technicians!

— Bryce Hall

Schedule Your Next Avionics Service

Call or email our avionics team to get a quote and lock in your maintenance window.

Book Your Avionics Service