Components Repairs


Duncan Aviation’s Accessories shop has one of the fastest turntimes in the industry with the highest quality of repairs as well as overhauls. We are authorized as sales, service and support for multiple component and equipment manufacturers. See warranty details here. All accessory test equipment is calibrated using NIST certificate traceability.


  • Lead acid (sealed & flooded)
  • NiCad (sealed & flooded)
  • Mainship
  • Emergency power supplies
  • 3 techs, 3 shifts/7-day coverage


  • Servos/inverters/convertors
  • Master warning boxes
  • Control panels
  • Landing gear wire harnesses
  • Wheel speed transducers
  • Strobes/power supplies/lighting
  • Aircraft generators
  • Generator control units
  • 7 techs, 2 shifts & weekend callout


  • Stab actuators
  • Mechanical actuators
  • Starters/generators & alternators
  • Power relays
  • Gear boxes
  • 6 techs, 2 shifts & weekend callout

Hydraulic Fluids/Fuel

  • Skydrol/5606
  • Fuel pumps & valves
  • Actuators
  • Maxarets/anti-skid systems
  • Hydraulic pumps & valves
  • Wheels & brakes
  • 6 techs, 2 shifts & weekend callout

Landing Gear

Overhaul, inspection and repair capabilities on:

  • Challenger
  • Embraer
  • Beechcraft
  • Cessna
  • Learjet
  • Global
  • 6,000-square-foot shop
  • 9 techs, 3 shifts/7-day coverage

Nondestructive Testing (NDT)

  • Eddy current
  • Fluorescent penetrant
  • Ultrasonics
  • Magnetic particle
  • Optical prism inspections
  • In-the-field service
  • 6 techs (5 Certified Level 2 or higher)
  • 3 shifts/7-day coverage

Qualifications and Certifications

  • Falcon 10 Attach fittings
  • Falcon 20 MCI / Attach fittings / Wheel well / Flap rods / 0-40 spot welds / Attach fittings / Windshield post
  • Falcon 50, 900, 2000 Attach fittings / Windshield post / Composite
  • Cessna Certification for Nondestructive Testing
  • King Air SIRM Wing spar inspection / Wing attach fittings
  • Honeywell Fan disc attachment slot / HPT bore / Main support frame assembly / LPT2 (AD 2014-12-52)
  • Rolls-Royce BR-700 ultrasonic inspection of fan disc
  • Pratt & Whitney IBR


  • Outflow valves
  • High pressure/High volume air flow
  • Thrust reverser components / motors
  • Air system components
  • 4 techs, 2 shift & weekend callout

Avionics & Instruments

Duncan Aviation’s avionics/instrument shop inspects, troubleshoots, repairs and overhauls virtually every type of equipment your aircraft might have, or need to have, aboard.

We are an authorized sales and factory service center for all the industry’s top-line brands including Collins, AlliedSignal/Honeywell, Avidyne, Garmin, Chelton/Wulfsberg and JET/BFG/L3. We are the only authorized Universal Avionics Service Center in the United States. See warranty details here.

Avionics & Instruments Repair and Overhaul Services

  • ADF
  • Radar
  • Autopilot
  • NAV / COM 
  • DME               
  • Indicators
  • Calibration
  • Pitot Static          
  • Gyros                              
  • XPDR

Each area has three shifts to provide the fastest turntimes and expedited AOG services.

Tool Calibrations

Duncan Aviation’s Calibration Services use NIST traceable standards to calibrate measuring & test equipment (M&TE). Bring your tools with you the next time your aircraft is serviced at one of our full-service maintenance facilities. They will be returned to you when you are ready to leave, properly calibrated and ready for use.

Can’t be long without your tools? Send them to us and we’ll have them back to you in fewer than five days.

Calibration Services

  • Certified to ISO/IEC 17025:2005
  • Certified ASQ-CCT technicians
  • Calibration data available
  • Repair capabilities on most M&TE

For a complete list of our calibration capabilities, download the Duncan Aviation Calibrations Fact Sheet.

Customer Benefits

  • Free 24 hour technical/troubleshooting support at 800.562.6377
  • All test equipment is calibrated using NIST certificate traceability
  • Over $10 million inventory of avionics and instrument loaners
  • Large piece parts inventory. Over 95% of the time, we have the part on-hand to do the repair
  • Less than 1% warranty claim rate
  • Comprehensive capabilities list with more than 47,000 part/unit numbers available through online search at and on CD by request
  • International certification sign-off on 10 countries

Unique Service Capabilities

  • TDR-94/94D Transponder
  • Universal FMS/TAWS/DCVR
  • Authorized Artex Emergency Locator Transmitter (ELT) Service Center
  • Honeywell Primus II Navigation and Communication Radios
  • King KFC-400 Autopilot
  • NAT VHF Radio Systems
  • Chelton Avionics Systems
  • Honeywell Authorized Gyro Service Center
  • Authorized Avidyne Legacy MFDs Service Center (FlightMax and EX-500)

Aftermarket Warranty Programs

Avionics and ECS (Environmental Control Systems) failures are unexpected and expensive with maintenance and repair easily costing thousands of dollars. Aftermarket warranty programs for avionics and ECS offer a fixed-price guarantee that will help to avoid unnecessary downtime and control expenses.

Available Aftermarket Warranty Programs

  • CASP (Rockwell Collins Corporate Aircraft Service Program)
  • HAPP (Honeywell Avionics Protection Plan)
  • Honeywell MPP (Mechanic Protection Plan)
  • Flight Assure (Universal Avionics)

Learn more about our available aftermarket warranty programs.

FAA Repair Station–#JGVR194F

  • Radio-Class 1, 2 & 3
  • Instrument-Class 1, 2, 3 & 4
Repair and Overhaul Capabilities Search

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