Learjet Services

Duncan Aviation is a Bombardier Learjet Authorized Service Center (ASC) for all hourly, calendar and special inspections and repairs on all Bombardier Learjet models.

Our Bombardier Learjet airframe teams consist of specialized, factory-trained technicians, as well as A&P and IA-qualified aircraft inspectors. 24-hour technical support is available for maintenance questions and troubleshooting. Each full-service location supports drop-in services, AOG emergencies and structural repairs, with road teams supporting AOG events in the field.

Our proprietary computerized maintenance tracking system is available to assist in tracking your aircraft maintenance. However, with your authorization we can access your online maintenance tracking programs to better assist you with your service needs.

Learjet Airframe Services

  • Airworthiness Directives/Service Bulletins
  • Pre-purchase evaluations
  • Major structural & composite repairs
  • Fuel leak & tank repairs
  • Evolved Maintenance Program Inspections
  • AOG Mobile Rapid Response Teams
  • MyDuncan Online Squawk Tracking/Approval Program
  • Windshield Changes
  • De-Ice Boot Changes



Authorized Bombardier Learjet Service Center


Honeywell TFE731-2,-3,-4,-5,-20,-40,-50,-60: Line/Major/Heavy
Pratt & Whitney PW300 Series: Line


Honeywell RE100 Series: Line
Hamilton/Sundstrand: Line

FAA Authority

Organization Designation Authorization (ODA)

  • Supplemental Type Certificates (STC)
  • Major Repairs and Alterations (MRA)
  • Parts Manufacturer Approvals (PMA)
  • Imports, Exports, Special Flight Permits, Standard and Special Airworthiness

Over 40 Unit Members in all disciplines.

Avionics Installation

Duncan Aviation is the recognized leader for avionics installation. We offer complete avionics installations capabilities including:

  • FMS WAAS Upgrades - WAAS
  • Satellite telephone systems
  • High Speed Data System with Wi-Fi
  • Cabin entertainment packages
  • TCAS I & II
  • Turbulence detection radar
  • Multi-Function Displays
  • Flight ID
  • VHF radio upgrades
  • ELTs

Available Upgrades

Learjet 60:

  • Universal TAWS
  • DFDR

Learjet 45:

  • High Speed Data Solution
  • Tire Pressure Sensor
  • WAAS with LPV

Learjet 55:

  • Universal TAWS
  • TCAS I & II

Learjet 35:

  • Universal TAWS
  • TCAS I & II
  • DFDR

Learjet 31A:

  • TCAS I & II

Engine & APU

Our modern 20,000-sq.-ft. turbine engine facility in Lincoln, Nebraska, and on-site Pratt & Whitney Canada HSI / repair facility in Battle Creek, Michigan, are supported by a wide-range of back shop capabilities, including nondestructive testing and machining.

Our 24-hour network of AOG engine technicians are strategically located across the United States and capable of supporting all in-house line services on the road.



Honeywell TFE731 -2 / -3 / -4 / -5 / -20 / -40 / -50 / -60

Line/Major/Heavy—Lincoln, Neb. (LNK)
Line—Battle Creek, Mich. (BTL)/Provo, Utah (PVU)

Pratt & Whitney PW300 Series

Line—Battle Creek, Mich. (BTL)/Lincoln, Neb. (LNK)
Line—Provo, Utah (PVU) –305 only


Honeywell RE100 Series

Line— Battle Creek, Mich. (BTL)/Lincoln, Neb. (LNK)/Provo, Utah (PVU)


Line— Battle Creek, Mich. (BTL)/Lincoln, Neb. (LNK)

Maintenance Service Plans

  • Honeywell MSP/MSP Gold
  • Pratt & Whitney Eagle Service Plan (ESP) Silver/Gold/Platinum
  • JSSI Choice


Duncan Aviation provides complete, custom interior refurbishment, modification and completions services. Almost every detail is handcrafted, and our professional designers and craftsmen create innovative interiors that deliver comfort for our clients. Our designs have been winning awards for years, and we offer a three-year warranty on our interior workmanship.

Interior Offerings

  • 14-Day Interior Program for Learjet 45 & 60
  • One-piece composite PSU panel for Learjet 55 & 60
  • One-piece window line panels
  • Custom cabinets and finishes
  • New cabin seating

View Learjet Refurbishment Gallery


Duncan Aviation provides complete, custom paint refurbishment and completions services. Our refined paint process prolongs the lifetime of these finishes, protecting an aircraft from the elements for years. We offer a three-year/1,500-hour warranty on exterior paint finishes.

Learjet Paint Capabilities:

  • High solids primers and paint
  • Highly refined application process
  • A professional designer dedicated to you to assist with developing paint schemes/exterior graphics
  • State-of-the-art paint booths reduce rework and produce a very high-quality product
  • Environmentally friendly paint and strip hangars accommodate all models
  • Paint Detail Team details your aircraft prior to delivery
  • Experience painting private and corporate aircraft since 1979

Paint Advantages

  • Aircraft painted every five years maintain higher market values
  • Less likely to develop corrosion
  • Materials have a proven performance on all surfaces, including composites
  • Flexible agents ensure maximum protection
  • Proper application prolongs the lifetime of a finish
  • Detail team ensures access panels are easy to remove
  • High-quality exterior finish helps avoid static build-up, which can cause electrical problems affecting communication radios and navigation receivers

View Learjet Refurbishment Gallery

Parts & Rotables Sales

Duncan Aviation is the largest aircraft parts and components service organization in the business aviation industry; offering overhauls, repairs, rotables, loaners, exchanges, outright units, avionics, instruments, and technical support to aircraft operators around the world.

We have authorized in-house repair capabilities on more than 45,000 different units and a huge inventory with more than 485,000 line items valued at more than $45 million.

If we don’t have it in stock, we will find it for you. Our parts sales reps boasts over 500 years of combined experience in aviation and are available 24/7/365 to serve our parts customers, both domestic and international.

Contact us 24/7/365 for all your parts and rotables needs.
+1 402.475.4125 | 800.228.1836

Components Repairs & Overhauls


Fast turntimes and expedited AOG services

Manufacture authorized sales, service and support:                       

  • Batteries/power supplies
  • Electronics
  • Electromechanical
  • Pneumatics
  • Hydraulic fluids/fuel
  • Landing gear
  • Non-Destructive Testing (NDT): eddy current, fluorescent penetrant, ultrasonics, magnetic particle

Contact us 24/7/365 for all your aircraft accessories needs.
+1 402.475.4125 | 800.228.4277

Avionics & Instruments

Duncan Aviation Avionics and Instruments shop will inspect, install, troubleshoot, service and repair virtually every type of equipment your aircraft might have, or need to have while on board with fast turntimes and expedited AOG services

FAA Repair Station – #JGVR194F

  • Radio - Class 1, 2 & 3
  • Instrument - Class 1, 2, 3 & 4

Factory authorized service, sales & support areas:

  • ADF
  • Radar
  • Autopilot
  • DME
  • Indicators
  • Calibration
  • Pitot Static
  • Gyros
  • XPDR

Contact us 24/7/365 for all your avionics & instruments needs.
+1 402.475.2611 | 800.562.6377

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