Repair & Overhaul
Instrument & Avionics Repair
Component-level repair and overhaul of aircraft instruments and avionics — from mechanical flight instruments through current digital systems.
Overview
Why bring a unit to Focus Aviation?
Most avionics faults are diagnosed as a box, then solved by replacing the box. That is fast, and it is often the most expensive answer available. We work the other way round: isolate the fault, open the unit, and repair what is actually wrong with it.
That approach covers a wide span of equipment. The same bench that services a mechanical altimeter also services current digital line-replaceable units, which matters when a single aircraft carries forty years of technology in one panel.
What You Get
How we approach it.
Four things that shape the work, and that you can hold us to on any job.
- 01
Component-level expertise
We troubleshoot to the circuit board and the mechanical assembly, not to the part number on the outside of the case.
- 02
Documented results
Every repair is verified against calibrated test equipment, and the paperwork goes back with the unit.
- 03
Intermittent faults taken seriously
A fault that will not reproduce on demand is the hardest and most common problem in avionics. We test for the conditions that trigger it.
- 04
Analog through digital
Mechanical instruments, gyros, air data, engine indication and modern integrated avionics all handled in house.
Components
What this covers,
by component.
Jump straight to the family your unit belongs to — each page lists the equipment and the faults we see most.
Process
How the work runs
Every job follows the same four steps, so you always know which stage yours is at.
- 01
Evaluation & quote
Incoming inspection, fault confirmation, and a written quote before any work starts. No surprises on the invoice.
- 02
Repair & replacement
Component-level repair, with parts replaced only where inspection and test show they need to be.
- 03
Test & calibration
Functional test and calibration against reference standards across the unit's operating range.
- 04
Final inspection & release
Independent final inspection, documentation, and return with the results recorded.
Scope
Components we service
Not an exhaustive list. If your unit is not here, send the part number anyway.
- Air Data Instruments
- Altimeters, airspeed indicators, vertical speed, encoders and air data computers.
- Flight Instruments
- Attitude and heading references, turn and slip, standby instrumentation.
- Gyroscopes
- Directional and attitude gyros, including rotor work and balancing.
- Engine Instruments
- Temperature, pressure, RPM, fuel flow and engine indication systems.
- Communication & Navigation
- Radios, navigation receivers, GPS, transponders and audio systems.
- Accessories
- Related line-replaceable units, controllers, indicators and interface hardware.
Common Questions
Asked before
most enquiries.
- Do you repair units the manufacturer no longer supports?
- Frequently, yes. Equipment falling off a manufacturer's repair list is not the same as equipment being unrepairable — most of what fails inside a unit is a component-level problem with a component-level fix. Send us the part number and we will tell you honestly whether it is a realistic repair.
- How do I know whether to repair or replace?
- Ask for both quoted side by side, with timelines. Repair is usually better value and keeps proven hardware on the aircraft, but if a serviceable exchange unit gets you flying materially sooner, that can be the right call. The decision should be made on facts rather than on whichever option the shop prefers to sell.
- What if the fault will not reproduce on the bench?
- That is the most common and most difficult category of avionics fault, and it is not a reason to send the unit back untouched. We test for the conditions that trigger it — temperature, vibration, supply variation — rather than confirming it works once at room temperature and calling it serviceable.
Also Available
Related capabilities.
Most jobs touch more than one of these. We handle them under one point of contact.
Next Step
Need instrument & avionics repair?
Tell us the aircraft.
Send the aircraft type, the symptom and the part number if you have it. We will come back with the realistic options.