Professional Aircraft Avionics Service, Support & Troubleshooting
Aircraft avionics are essential to navigation, communication, situational awareness, flight management, and aircraft operation.
When your avionics need attention, Apex Avionics Repair provides professional avionics service, troubleshooting, repair support, bench evaluation, installation assistance, and upgrade support for general aviation aircraft.
We work with:
- Individual aircraft owners
- Pilots
- A&P mechanics and IAs
- Flight schools
- Flying clubs
- Aircraft maintenance facilities
- Aircraft dealers and brokers
- Aviation businesses
Located at Orlando-Apopka Airport in Apopka, Florida, Apex serves aircraft owners throughout Orlando and Central Florida while also supporting customers nationwide through our ship-in avionics service.
Complete Aircraft Avionics Service
Avionics service involves much more than replacing a failed component.
A proper avionics service process starts by understanding the aircraft, installed equipment, reported symptoms, configuration, and operating environment.
Depending on the situation, avionics service may involve:
- Avionics inspection
- System troubleshooting
- Equipment evaluation
- Bench testing
- Avionics repair
- Electrical troubleshooting
- Wiring evaluation
- Installation support
- Equipment replacement
- Avionics upgrades
- Configuration support
- GPS / NAV / COM service
- Transponder service
- Audio panel service
- ADS-B service
- Autopilot troubleshooting
- Garmin avionics support
Whether you are addressing one malfunctioning radio or planning improvements to an entire panel, Apex can help determine the appropriate next step.
Avionics Troubleshooting & Diagnosis
Find the Problem Before Replacing Equipment
One of the most important parts of avionics service is determining where the problem actually exists.
A malfunction that appears to be caused by the avionics unit itself may instead involve:
- Aircraft wiring
- Connectors
- Circuit protection
- Grounding
- Power supply
- Antennas
- Coaxial cable
- Audio wiring
- Data communication
- Sensors
- Installation configuration
Replacing expensive equipment without first identifying the cause can waste time and money.
Apex approaches avionics problems by starting with the reported symptoms and narrowing down the likely source.
Common symptoms include:
- Equipment will not power on
- Intermittent power
- Unexpected rebooting
- Dim display
- Flickering display
- Failed buttons
- Knobs or encoders skipping
- Radio transmit problems
- Radio receive problems
- Static or distorted audio
- Navigation errors
- GPS-related faults
- Transponder problems
- ADS-B discrepancies
- Autopilot faults
- Error messages
- Intermittent system operation
Avionics Bench Service
When an avionics unit has been removed from the aircraft, bench evaluation can help determine whether the equipment itself is responsible for the reported problem.
Depending on the equipment, bench service may include evaluating:
- Power operation
- Displays
- Buttons
- Knobs
- Encoders
- Internal connections
- Circuit boards
- Communication functions
- Navigation functions
- Audio functions
- Intermittent faults
- Component-level issues
Bench testing is particularly useful when troubleshooting a suspected avionics component independently from the aircraft installation.
Garmin Avionics Service
Garmin avionics are installed throughout the general aviation fleet, from legacy GPS/NAV/COM equipment to modern glass cockpit systems.
Apex provides service and support for selected Garmin avionics.
Garmin GNS Service
We accept inquiries involving:
Garmin GNS 430
Support for issues involving:
- Displays
- Buttons
- Knobs
- Power
- Navigation
- Communication
- Intermittent operation
Garmin GNS 430W
Service and troubleshooting for WAAS-equipped GNS 430W units.
Garmin GNS 530
Troubleshooting and service support for GNS 530 equipment.
Garmin GNS 530W
Support for Garmin GNS 530W avionics.
Garmin GTN Service
The Garmin GTN family combines GPS navigation, communication, touchscreen control, and other flight-deck functionality.
Apex accepts inquiries involving supported GTN equipment including:
- Garmin GTN 650
- Garmin GTN 650Xi
- Garmin GTN 750
- Garmin GTN 750Xi
Possible service needs may involve:
- Touchscreen issues
- Display problems
- Controls
- Power problems
- Communication faults
- Navigation problems
- Startup issues
- Intermittent operation
Garmin G1000 Service
The Garmin G1000 is an integrated avionics suite consisting of multiple interconnected components.
When a G1000 problem occurs, proper diagnosis may require determining whether the issue involves:
- Displays
- Integrated avionics units
- Sensors
- Data communication
- Power
- Aircraft wiring
- Configuration
- Other system components
Apex accepts inquiries involving supported G1000 service and troubleshooting needs.
GPS / NAV / COM Service
GPS/NAV/COM equipment performs several major cockpit functions within a single avionics unit.
Problems may involve one function or several systems simultaneously.
GPS Service
Contact Apex for issues such as:
- GPS failure
- Position problems
- Intermittent GPS operation
- Startup errors
- Navigation database-related symptoms
- GPS error messages
NAV Service
Navigation-related issues may involve:
- VOR operation
- Navigation indications
- CDI information
- Intermittent navigation functions
- Interface issues
COM Service
Communication problems may include:
- Poor transmission
- Poor reception
- Static
- Intermittent communication
- Audio problems
- Failed controls
Transponder Service
A properly functioning transponder is an important part of modern aircraft surveillance and traffic systems.
Apex accepts inquiries involving transponder problems such as:
- Failure to power on
- Intermittent operation
- Display problems
- Control problems
- Encoding issues
- ADS-B discrepancies
- Communication faults
The problem may originate in the transponder itself or elsewhere in the aircraft installation, so proper troubleshooting is important.
Aircraft Audio Panel Service
Aircraft audio systems can involve:
- Audio panels
- Intercom systems
- Headset connections
- Microphones
- Speakers
- Radio audio
- Passenger audio
- Wiring
Possible symptoms include:
- Intermittent audio
- Static
- Distortion
- Failed microphone selection
- Failed radio selection
- Intercom issues
- One-way communication
- Poor audio quality
ADS-B Service
ADS-B installations can involve multiple interconnected components including:
- Transponders
- GPS position sources
- Antennas
- Wiring
- Aircraft configuration
- Displays
When an ADS-B issue appears, identifying which part of the system is responsible is essential.
Apex provides support for selected ADS-B installation, troubleshooting, and repair needs.
Autopilot Service & Troubleshooting
Autopilot systems combine avionics, sensors, servos, wiring, and aircraft flight-control components.
Common problems may include:
- Autopilot will not engage
- Unexpected disconnects
- Heading problems
- Altitude-hold problems
- Servo issues
- Control-head problems
- Tracking problems
- Electrical faults
- Interface problems
Apex can assist with determining the appropriate troubleshooting and service path for supported autopilot systems.
AUTOPILOT INSTALLATION & REPAIR
Aircraft Electrical & Wiring Service
Sometimes the avionics are working correctly and the real problem exists elsewhere in the aircraft.
Electrical and wiring problems can produce symptoms that mimic failed avionics.
Possible causes may include:
- Loose connections
- Corroded connectors
- Poor grounds
- Wiring faults
- Voltage issues
- Circuit-breaker problems
- Antenna wiring
- Coax problems
- Installation deficiencies
- Intermittent electrical connections
Apex provides aircraft electrical troubleshooting support to help determine whether the avionics unit or aircraft installation is responsible.
AIRCRAFT ELECTRICAL TROUBLESHOOTING
Avionics Installation
Installing avionics involves much more than mounting equipment in the instrument panel.
A proper installation may involve:
- Panel planning
- Wiring
- Circuit protection
- Antennas
- Audio integration
- Data connections
- GPS interfaces
- Navigation interfaces
- Aircraft electrical integration
- Equipment configuration
- Testing
Apex supports avionics installation needs for general aviation aircraft.
Avionics Upgrades
Aircraft owners often reach a point where maintaining older equipment no longer makes sense.
Apex can help owners evaluate avionics upgrade options based on:
- Aircraft mission
- Existing equipment
- Panel configuration
- Budget
- IFR requirements
- Navigation needs
- Communication requirements
- ADS-B equipment
- Autopilot integration
- Future aircraft plans
Possible upgrade projects may include:
- GPS navigator upgrades
- NAV/COM upgrades
- Glass cockpit equipment
- Electronic flight instruments
- Transponders
- ADS-B
- Audio panels
- Autopilots
- Panel modernization
Service for Legacy Aircraft Avionics
Many general aviation aircraft continue flying with older avionics that remain useful and familiar to their owners.
When legacy equipment develops a problem, replacing the entire panel may not always be the best first step.
Depending on the equipment and failure, servicing or repairing an existing unit may help:
- Extend equipment life
- Maintain the existing panel
- Reduce immediate upgrade costs
- Limit aircraft downtime
- Preserve compatibility with existing systems
Parts availability and repairability vary, so older equipment should be evaluated individually.
Repair, Service or Upgrade?
Aircraft owners often ask whether they should repair existing equipment or move directly to an upgrade.
Consider:
Repair may make sense when:
- The problem is isolated
- The equipment still meets your mission
- Replacement requires major panel changes
- Repair costs are reasonable
- You plan a larger upgrade later
Replacement may make sense when:
- The equipment has repeated failures
- Parts are difficult to obtain
- The unit no longer meets your needs
- New equipment adds important capability
- The aircraft is already undergoing major panel work
Apex can help you better understand the available options before you commit to an expensive panel project.
Avionics Service for Aircraft Owners
Individual aircraft owners are welcome to work directly with Apex Avionics Repair.
You do not need to go through another avionics shop simply to contact us about your equipment.
Tell us:
- Your aircraft make and model
- Your avionics manufacturer and model
- What the equipment is doing
- When the problem occurs
- Whether the equipment has already been removed
- What troubleshooting has been performed
We’ll help determine the appropriate next step.
Avionics Service for Flight Schools
Flight schools operate aircraft at high utilisation levels, making equipment reliability particularly important.
Avionics problems can:
- Ground aircraft
- Cancel lessons
- Disrupt scheduling
- Reduce aircraft utilisation
- Affect IFR training
- Increase downtime
Apex works with flight schools that need avionics troubleshooting, repair, and service support.
Avionics Service for Flying Clubs
Flying clubs often manage a diverse fleet used by multiple pilots.
Apex assists flying clubs with:
- Avionics troubleshooting
- Equipment repair
- Intermittent problems
- Upgrade planning
- Bench service
- Aircraft electrical issues
Avionics Service for A&P Mechanics & Maintenance Shops
Apex works with A&P mechanics, IAs, and aircraft maintenance facilities requiring avionics support during aircraft maintenance.
This may include:
- Troubleshooting avionics discrepancies
- Bench evaluation
- Repairing removed equipment
- Electrical troubleshooting
- Coordinating replacement equipment
- Supporting aircraft return to service
Local Avionics Service in Apopka & Orlando
Apex Avionics Repair is located at Orlando-Apopka Airport in Apopka, Florida.
Apex Avionics Repair
1321 Apopka Airport Rd, Hangar 56
Apopka, FL 32712
Phone: (407) 900-1107
We serve aircraft owners throughout:
- Apopka
- Orlando
- Sanford
- Mount Dora
- Leesburg
- Winter Garden
- Clermont
- Kissimmee
- DeLand
- Daytona Beach
- Ocala
- The Villages
- Greater Central Florida
Nationwide Ship-In Avionics Service
Apex also works with customers throughout the United States.
If your avionics equipment can be removed and shipped for service, our ship-in program provides a convenient way to work with Apex without bringing the aircraft to Florida.
Nationwide ship-in service is available for eligible equipment from:
- Aircraft owners
- Mechanics
- Maintenance facilities
- Flight schools
- Flying clubs
- Dealers
- Aviation businesses
How Our Avionics Service Process Works
1. Tell Us What You Need
Submit information about your aircraft, avionics equipment, and reported problem.
2. Review the Symptoms
We review what the equipment is doing and what troubleshooting has already been performed.
3. Determine the Service Path
Depending on the problem, the next step may involve aircraft troubleshooting, equipment removal, bench evaluation, repair, installation, or another service.
4. Evaluate the Equipment
The affected system or component is evaluated to help determine the cause of the problem.
5. Service or Repair
Appropriate service or repair work can then move forward.
6. Testing
Supported work is evaluated after service to confirm proper operation.
7. Return to Service
The equipment or aircraft can then proceed through the appropriate return-to-service process.
START YOUR AVIONICS SERVICE REQUEST
Why Choose Apex Avionics Repair?
General Aviation Focus
We understand the needs of piston aircraft owners, flight schools, clubs, mechanics, and general aviation businesses.
Individual Aircraft Owners Welcome
You can contact Apex directly.
Local Central Florida Support
Our facility at Orlando-Apopka Airport provides a convenient avionics resource for aircraft owners throughout Greater Orlando.
Nationwide Service
Eligible avionics can be shipped directly to Apex from anywhere in the United States.
Troubleshooting First
We focus on identifying the problem before assuming expensive equipment needs replacement.
Repair & Upgrade Options
When appropriate, we can help you evaluate whether repairing existing equipment or upgrading makes more sense.
Frequently Asked Questions About Avionics Service
What is aircraft avionics service?
Aircraft avionics service may include troubleshooting, inspection, diagnosis, bench evaluation, repair, installation, configuration, electrical troubleshooting, and equipment upgrades.
What types of avionics does Apex service?
Apex accepts inquiries involving GPS/NAV/COM equipment, Garmin avionics, transponders, audio panels, ADS-B equipment, autopilot systems, aircraft electrical systems, and other supported avionics.
Do you service Garmin avionics?
Yes. Garmin equipment is a major focus of Apex Avionics Repair, including selected GNS, GTN, G1000, and other Garmin products.
Can individual aircraft owners work directly with Apex?
Yes. Aircraft owners are welcome to contact Apex directly.
Do you offer avionics bench service?
Yes. Removed equipment can be evaluated through supported bench troubleshooting and repair services.
Can I ship my avionics to you?
Yes. Eligible equipment can be shipped to Apex from customers throughout the United States.
Do you service aircraft in Orlando?
Apex Avionics Repair is located at Orlando-Apopka Airport in Apopka and serves aircraft owners throughout the Greater Orlando and Central Florida region.
What if I don’t know whether the avionics or aircraft wiring is causing the problem?
You do not need to know before contacting us. Determining where the fault originates is part of the troubleshooting process.
Can Apex help me decide whether to repair or upgrade?
Yes. The best choice depends on the equipment, aircraft, cost, availability, mission, and your future panel plans.
Keep Your Aircraft Connected, Capable & Ready to Fly
Fix the Panel. Chase the Horizon.
From troubleshooting a single intermittent radio to planning an avionics upgrade, Apex Avionics Repair is here to help keep your aircraft’s avionics operating properly.
Apex Avionics Repair
Orlando-Apopka Airport
1321 Apopka Airport Rd, Hangar 56
Apopka, FL 32712
(407) 900-1107
Local Central Florida Service • Nationwide Ship-In Support