Professional Aircraft Avionics Repair, Troubleshooting & Bench Service
When aircraft avionics stop working correctly, you need more than a guess.
Apex Avionics Repair provides professional avionics troubleshooting, evaluation, bench repair, service, and support for aircraft owners, pilots, flight schools, flying clubs, maintenance facilities, A&P mechanics, and aviation businesses.
From legacy GPS/NAV/COM equipment to modern Garmin avionics, our goal is simple:
Find the problem. Determine the best repair path. Get your equipment back into service.
Located in Apopka, Florida at Orlando-Apopka Airport, we serve customers throughout Orlando and Central Florida while also accepting avionics shipped to us from customers nationwide.
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Aircraft Avionics Repair Services
Aircraft avionics systems include some of the most important equipment in the cockpit.
When a navigator, radio, transponder, display, audio panel, autopilot component, or other avionics unit begins malfunctioning, proper troubleshooting can help determine whether the problem is with the avionics unit itself, the aircraft installation, wiring, antennas, power supply, or another component.
Apex Avionics Repair provides support for a wide range of avionics problems, including:
- GPS / NAV / COM problems
- Display failures
- Dim or intermittent screens
- Button and knob failures
- Radio transmit and receive problems
- Intermittent avionics operation
- Power and startup problems
- Transponder issues
- Audio panel problems
- ADS-B equipment problems
- Autopilot-related avionics issues
- Navigation equipment faults
- Aircraft electrical troubleshooting
- Bench-level avionics diagnosis
- Legacy avionics repair
- Garmin avionics troubleshooting
- Avionics upgrades and replacement planning
Not sure what failed?
That is exactly what troubleshooting is for.
TELL US WHAT YOUR AVIONICS ARE DOING
Avionics Troubleshooting
Start With the Symptoms
Many avionics problems are intermittent, and the symptoms can provide important clues.
You may notice:
- A screen slowly becoming dimmer
- Buttons that only work sometimes
- A rotary knob that skips selections
- A radio that transmits but does not receive correctly
- A GPS navigator that unexpectedly reboots
- An avionics unit that will not power on
- Error messages appearing during startup
- Intermittent navigation information
- Static or distorted audio
- Equipment that works after startup but fails later in flight
The first step is understanding exactly what the equipment is doing.
Our repair request process allows you to provide information about the unit, aircraft, symptoms, previous troubleshooting, and any relevant history.
That information helps us determine the most appropriate next step.
Avionics Bench Repair
When a suspected avionics unit has been removed from the aircraft, bench-level evaluation can help isolate faults that may not be obvious while the equipment is installed.
Depending on the equipment and reported issue, bench troubleshooting may involve evaluating:
- Power operation
- Displays
- Controls
- Encoders
- Buttons and switches
- Internal connections
- Circuit boards
- Component-level failures
- Intermittent faults
- Communication functions
- Navigation functions
- Audio operation
Bench repair can be especially valuable when an aircraft owner is trying to determine whether an existing unit should be repaired or replaced.
LEARN ABOUT AVIONICS BENCH REPAIR
Garmin Avionics Repair
Garmin avionics are installed throughout the general aviation fleet, from older GNS navigators to newer integrated systems.
Apex Avionics Repair provides troubleshooting and repair support for selected Garmin avionics.
Garmin GNS Series
We work with Garmin GNS equipment including:
Garmin GNS 430 Repair
Common inquiries include:
- Display problems
- Failed controls
- Button problems
- Intermittent operation
- Power issues
- Communication problems
- Navigation faults
Garmin GNS 430W Repair
Support for WAAS-equipped GNS 430W units experiencing operational problems.
Garmin GNS 530 Repair
Evaluation and repair support for GNS 530 navigators.
Garmin GNS 530W Repair
Troubleshooting and repair support for Garmin GNS 530W equipment.
Garmin GTN Repair
Garmin’s GTN family combines GPS navigation, communication, touchscreen interfaces, and other cockpit functions.
Apex accepts inquiries involving supported GTN equipment, including:
- Garmin GTN 650
- Garmin GTN 650Xi
- Garmin GTN 750
- Garmin GTN 750Xi
Possible problems may involve displays, controls, communication functions, navigation operation, startup problems, or other equipment-specific faults.
VIEW GARMIN GTN REPAIR
Garmin G1000 Repair & Troubleshooting
The Garmin G1000 integrates numerous aircraft systems into a sophisticated glass cockpit environment.
Troubleshooting G1000 problems requires determining whether the problem involves a specific component, aircraft wiring, data communication, sensors, power, or another part of the system.
We accept inquiries involving:
- G1000 displays
- GDU components
- GIA components
- Display problems
- Communication faults
- Intermittent system behavior
- Component-level troubleshooting
GPS / NAV / COM Repair
GPS/NAV/COM equipment combines multiple important cockpit functions into a single unit.
Common problems may include:
GPS Problems
- Position errors
- Loss of GPS function
- Startup failures
- Error messages
- Intermittent GPS operation
Navigation Problems
- VOR or navigation-related issues
- CDI information problems
- Intermittent navigation indications
- Interface-related issues
COM Problems
- Poor transmit performance
- Poor receive performance
- Intermittent radio operation
- Audio problems
- Control issues
Transponder Repair
Aircraft transponders play a critical role in surveillance and traffic systems.
Problems may include:
- Failure to power on
- Intermittent operation
- Encoding issues
- Control problems
- Display problems
- ADS-B-related faults
- Transponder communication issues
A proper evaluation can help determine whether the problem is with the transponder itself or another part of the installation.
Audio Panel Repair
Audio panel problems can affect communication throughout the cockpit.
Possible symptoms may include:
- Intermittent audio
- Poor audio quality
- Failed microphone selection
- Failed speaker selection
- Intercom problems
- Channel selection problems
- Static or distortion
ADS-B Installation & Repair
ADS-B systems can involve multiple components, including transponders, GPS position sources, antennas, wiring, and aircraft configuration.
We assist with supported ADS-B troubleshooting, installation, and repair needs.
Autopilot Installation & Repair
Autopilot systems integrate avionics, flight controls, servos, sensors, and aircraft electrical systems.
Problems may include:
- Autopilot not engaging
- Unexpected disconnects
- Heading or altitude problems
- Servo-related faults
- Control-head problems
- Interface problems
- Electrical or wiring issues
AUTOPILOT INSTALLATION & REPAIR
Aircraft Electrical Troubleshooting
Not every avionics problem originates inside the avionics unit.
Aircraft wiring, power supplies, grounding, circuit protection, connectors, antennas, and installation problems can all create symptoms that appear to be avionics failures.
Apex can assist with troubleshooting aircraft electrical problems that may affect avionics operation.
Examples include:
- Intermittent power
- Voltage problems
- Grounding issues
- Wiring faults
- Connector problems
- Circuit-breaker issues
- Installation-related faults
- Communication interference
AIRCRAFT ELECTRICAL TROUBLESHOOTING
Avionics Brands We Support
Apex Avionics Repair accepts inquiries involving equipment from a variety of avionics manufacturers.
Brands represented throughout our service structure include:
- Garmin
- BendixKing
- Collins
- Avidyne
- S-TEC / Genesys
- Aspen
- Dynon
- L3Harris
- uAvionix
Support depends on the exact equipment, model, fault, parts availability, and repair capability.
If you are unsure whether we can help with your equipment, submit a repair request.
Repair or Replace Your Avionics?
One of the most common questions aircraft owners ask is:
“Should I repair this unit or replace it?”
There is no universal answer.
The best decision depends on:
- Equipment age
- Condition
- Repairability
- Parts availability
- Cost of repair
- Aircraft mission
- Existing panel configuration
- Future upgrade plans
- Downtime
- Replacement cost
For some owners, repairing an existing unit can make excellent sense.
For others, a modern replacement or panel upgrade may be the better long-term investment.
The important thing is to understand what failed before making an expensive decision.
Why Repair Existing Aircraft Avionics?
Repairing existing avionics may allow an aircraft owner to:
- Keep a familiar panel configuration
- Avoid unnecessary replacement costs
- Minimize aircraft downtime
- Extend the useful life of installed equipment
- Avoid a larger panel modification
- Maintain compatibility with existing aircraft systems
- Delay a major upgrade until the timing is right
A failed component does not always mean the entire avionics system must be replaced.
Avionics Repair for Individual Aircraft Owners
You Can Work With Apex Directly
Individual aircraft owners are welcome.
You do not need to be an avionics dealer, maintenance shop, or flight school to contact Apex Avionics Repair.
If you own an aircraft and have a problem with your avionics, tell us:
- What equipment you have
- What aircraft it is installed in
- What the equipment is doing
- What is not working
- When the problem occurs
- Whether anyone has already attempted troubleshooting
We’ll use that information to help identify the appropriate next step.
Avionics Repair for Flight Schools
Flight schools depend on aircraft availability.
An avionics discrepancy can take a training aircraft out of service, disrupt student schedules, and reduce revenue.
Apex works with flight schools that need support for avionics troubleshooting and repair on high-utilization aircraft.
Avionics Repair for Flying Clubs
Flying clubs operate aircraft that may accumulate significant utilization among multiple pilots.
We work with clubs that need help addressing avionics discrepancies, troubleshooting intermittent problems, or returning aircraft to service.
Support for A&P Mechanics and IAs
A&P mechanics and inspection authorization holders frequently identify avionics discrepancies during maintenance and inspections.
Apex can work with mechanics who have removed avionics equipment for troubleshooting or repair.
Support for Aircraft Maintenance Facilities
Aircraft maintenance shops can send eligible avionics equipment to Apex for troubleshooting and repair support.
We understand the importance of communication and aircraft downtime when another shop is coordinating the overall maintenance event.
Local Avionics Repair in Apopka & Orlando
Apex Avionics Repair is located at:
Orlando – Apopka Airport
1321 Apopka Airport Rd, Hangar 56
Apopka, FL 32712
Phone: (407) 900-1107
We serve aircraft owners throughout:
- Apopka
- Orlando
- Sanford
- Winter Garden
- Mount Dora
- Leesburg
- Clermont
- Kissimmee
- DeLand
- Daytona Beach
- Ocala
- The Villages
- Central Florida
ORLANDO AVIONICS REPAIR
APOPKA AVIONICS REPAIR
Nationwide Ship-In Avionics Repair
You do not have to be based in Florida to work with Apex.
Customers throughout the United States can ship eligible avionics equipment directly to us.
Our ship-in repair process is designed for:
- Individual aircraft owners
- A&P mechanics
- Avionics shops
- Maintenance facilities
- Flight schools
- Flying clubs
- Aircraft dealers
- Aviation businesses
How Our Avionics Repair Process Works
1. Submit a Repair Request
Tell us:
- Manufacturer
- Model
- Aircraft type
- Serial number if available
- Symptoms
- Error messages
- Previous troubleshooting
- Relevant repair history
2. Coordinate Removal or Delivery
Depending on the situation, the equipment may need to be removed from the aircraft before bench evaluation.
3. Deliver or Ship the Equipment
Local customers can coordinate delivery to our Apopka location.
Nationwide customers can ship equipment to us.
4. Evaluate the Problem
We evaluate the reported symptoms and determine the likely source of the problem.
5. Determine the Repair Path
Based on the evaluation, we determine whether repair is appropriate and what work may be required.
6. Complete the Repair
Supported repairs can then move through the repair process.
7. Return the Equipment
Once completed, the equipment can be returned to the customer or coordinating aviation business.
Common Avionics Problems
Contact Apex if your aircraft avionics are experiencing symptoms such as:
- Won’t power on
- Reboots unexpectedly
- Dark display
- Dim display
- Flickering display
- Failed buttons
- Broken knobs
- Encoder skipping
- Intermittent operation
- Radio transmit problems
- Radio receive problems
- Static
- Navigation errors
- GPS problems
- Error messages
- Audio problems
- Transponder faults
- ADS-B discrepancies
- Autopilot problems
Even if you cannot identify the cause, describing the symptoms is enough to get the process started.
Frequently Asked Questions
What types of aircraft avionics can be repaired?
Many aircraft avionics components may be repairable depending on the manufacturer, model, condition, failure, parts availability, and available repair capability.
Do you repair Garmin avionics?
Garmin equipment is a major focus of Apex Avionics Repair, including selected GNS, GTN, G1000, and other Garmin avionics.
Can you repair a Garmin GNS 430?
Apex accepts repair inquiries for Garmin GNS 430 and GNS 430W equipment. Submit the exact model and symptoms through our repair request form.
Can you repair Garmin GNS 530 units?
We accept inquiries involving Garmin GNS 530 and 530W equipment.
Do you offer avionics bench repair?
Yes. Bench-level troubleshooting can be used to evaluate removed avionics equipment and help identify internal faults.
Do you repair aircraft radios?
We accept inquiries involving aircraft communication equipment and GPS/NAV/COM avionics. The appropriate repair path depends on the equipment and problem.
Can aircraft owners contact Apex directly?
Yes. Individual aircraft owners are welcome to work with Apex Avionics Repair directly.
Do you accept shipped avionics?
Yes. Customers throughout the United States can ship eligible avionics equipment to Apex.
Where are you located?
Apex Avionics Repair is located at Orlando-Apopka Airport in Apopka, Florida.
What if I do not know what is wrong?
Describe the symptoms. You do not need to diagnose the equipment yourself before contacting us.
Should I repair or replace my avionics?
That depends on the equipment, condition, repair cost, replacement options, aircraft mission, and future panel plans. An evaluation can help provide information before you make that decision.
Get Your Avionics Back in the Air
Fix the Panel. Chase the Horizon.
Whether you have an intermittent radio, dark display, failed Garmin navigator, transponder problem, or avionics unit that will not power on, Apex Avionics Repair can help you determine the next step.
Apex Avionics Repair
1321 Apopka Airport Rd, Hangar 56
Apopka, FL 32712
(407) 900-1107
Local Service • Nationwide Ship-In Repair