Learjet Aircraft Maintenance & Airframe
Expert Learjet Maintenance at Centennial Airport (KAPA), Denver, Colorado
At Haggan Aviation, we provide industry-leading Learjet maintenance, repair, avionics and full interior refurbishment services, offering unmatched precision and performance for operators who demand the best. Backed by over two decades of hands-on experience, our licensed technicians service a wide range of Learjet models, including the Learjet 31, 35, 36, 40, 45, 55, 60, and more. Whether you’re a private owner, fleet manager, or charter operator, we deliver reliable, efficient, and expert-level support that keeps your Learjet in peak condition and ready to fly.
Why Choose Haggan Aviation for Your Learjet?
✅ FAA Part 145 Repair Station with unmatched operational proficiencies
✅ Located at KAPA – Centennial Airport, Denver CO
✅ Specialized in all major Learjet models
✅ Rapid Turnaround Times & Personalized Support
✅ Full Airframe, Engine, Avionics, Repairs & Interior Capabilities
We are not just a one-stop shop, we’re your strategic maintenance partner that understands the mission, timeline, and budget. Our goal is to minimize downtime while enhancing safety, value, and aircraft longevity.
Comprehensive Learjet Airframe Inspection Services
Our team performs all required Learjet airframe inspections in accordance with manufacturer specifications and FAA regulations, including:
Phase A, B, C, and D Inspections
3,000-Landing Inspection
6,000-Landing Gear Inspection
12-Year / 6,000-Landing Major Airframe Inspection
12,000-Hour Wing De-Mate Inspection
20,000-Hour Flight Control Replacement Inspection
At Haggan Aviation Aircraft Maintenance, these inspections are carried out in strict compliance with the Learjet Maintenance Manual and FAA-approved maintenance program requirements. Our experienced technicians combine factory-trained expertise with specialized tooling to ensure your Learjet remains in peak condition, fully compliant, and ready for service.
Maintenance, Repairs & Structural Modifications
Our Learjet MRO (maintenance, repair, and overhaul) capabilities include:
Flap AD Compliance – 2018-19-04
Fuel System Leak Repairs
Shear Web and Major Structural Repairs
Windshield Removal & Replacement
Non-Destructive Testing (NDT)
Flap, Aileron, Elevator & Rudder Work
Cabin Soundproofing Enhancements
Insurance Repairs and Evaluations
All work is performed in-house by FAA-certified A&P mechanics and qualified repair station inspectors, using OEM or FAA-approved PMA parts as appropriate to ensure compliance, reduce costs, and minimize downtime.
Learjet Modifications & Upgrades
We specialize in certified performance upgrades and custom installations, including:
Raisbeck ZR LITE Performance System Installation
Haggan Aviation is an authorized installation facility for the Raisbeck ZR LITE system on 30-series Learjets. This upgrade enhances takeoff performance, increases climb rates, and improves overall fuel efficiency. The installation modifies flap contours and incorporates signature to reduce drag and boost aerodynamic performance.
Aft Fuselage Locker Installations
Add valuable storage and mission flexibility with custom fuselage lockers. These are ideal for cargo missions, medevac configurations, or passenger charters needing more stowage capacity.
Avcon Delta Fins Installation
Improve directional stability and reduce yaw with the addition of certified Avcon Delta
Fins—ideal for improving comfort and handling, especially at lower speeds.
Avionics & Connectivity Upgrades
Stay connected and compliant with our full suite of Learjet avionics services, including:
RVSM Certifications
FAR 91.411 / 91.413 Pitot-Static Transponder Testing
Gogo AVANCE L3 & L5 Installations
Collins Pro Line Upgrades
Starlink & AirText/Oasis Connectivity Systems
EFIS, GPS, and ADS-B Enhancements
Garmin GTN Installations
Whether you fly domestic legs or global missions, our avionics technicians will modernize your flight deck for safety, compliance, and mission readiness.
Engine & APU Services
Our trained technicians perform expert troubleshooting, removals, and installations on Learjet engines and auxiliary power units (APUs):
Engine and Troubleshooting (Honeywell TFE731 series & more)
APU Scheduled Maintenance & Inspections
Hot Section Inspections (HSI)
Engine Vibration & Performance Diagnostics
We work closely with engine OEMs and authorized repair partners to provide a turnkey engine management solution.
Learjet Interior Refurbishment
Enhance your passenger experience with custom interior refurbishment and cabin upgrades, including:
Custom seat reupholstery (leather, fabric, stitching styles)
LED lighting conversions
Sidewalls and headliner replacements
Lavatory and galley upgrades
Custom carpet installations
Paint touch-ups and panel refinishing
We transform your Learjet’s interior into a comfortable, modern, and mission-specific cabin—tailored to your unique requirements.
Learjet Support Near Denver – Visit Our Centennial Airport Facility
Our 46,000 sq ft of combined hangar space across three facilities at Centennial Airport (KAPA), just outside Denver, is fully equipped to handle any Learjet service—routine or complex. With convenient fly-in access and a comfortable customer lounge, we make every maintenance visit smooth and stress-free.
Call Now to Schedule Your Learjet Service:
Visit us at KAPA – Centennial Airport, Colorado
Frequently Asked Questions – Learjet Maintenance at Haggan Aviation
1. What types of Learjet models do you service?
We service most major Learjet models which include the Learjet 31, 35, 36, 40, 45, 55, and 60 series. Our technicians are highly experienced with both legacy and modern Learjet platforms, ensuring expert care regardless of age or configuration.
2. Where is Haggan Aviation located?
We are based at Centennial Airport (KAPA), just south of Denver, Colorado. Our facility includes a 46,000 sq ft hangar space designed to accommodate multiple mid-size business jets, including Learjets.
3. Are you an FAA-certified 145 Repair Station?
Yes. Haggan Aviation is an FAA Part 145 Repair Station, authorized to perform inspections,
maintenance, modifications, and avionics installations on Learjet aircraft in full compliance with Federal aviation regulations having no restrictions on capabilities.
4. What is the ZR LITE Performance System for Learjets?
The Raisbeck ZR LITE system is a certified aerodynamic upgrade for 30-series Learjets. It modifies flap contours and adds “batwings” to improve lift, reduce drag, and enhance runway performance, climb rate, and fuel efficiency. We are an authorized installation center for this upgrade.
5. How long do major Learjet inspections take?
Inspection timelines depend on aircraft model, usage, and inspection type. For example:
A 12-Year/6,000 Landing Inspection may take 3–5 weeks.
A Phase A or B Inspection typically takes a few business days.
We provide transparent timelines and updates throughout the process to minimize downtime.
6. Can you perform Learjet interior refurbishments and customizations?
Yes, we offer full interior refurbishment services, including seat reupholstery, cabin panel work, LED lighting upgrades, new carpeting, and lavatory/galley improvements. All refurbishments are tailored to your preferences and mission requirements.
7. What avionics services do you offer for Learjets?
We offer full avionics testing, repairs, and upgrades, including:
Garmin Installs
RVSM certifications
ADS-B installations
91.411 & 91.413 recertifications
Gogo AVANCE, Collins Pro Line upgrades
Cabin connectivity via Starlink, AirText, and Oasis systems
8. Do you offer AOG (Aircraft on Ground) support for Learjets?
Yes, we understand that downtime costs money. We offer rapid AOG response services for many models of aircraft in need of urgent repairs, inspections, or troubleshooting—either at our Denver facility or through our mobile maintenance support network.
9. How can I get a quote for Learjet maintenance or upgrades?
You can contact our team directly via phone or email for a fast, personalized quote. Please provide your aircraft model, serial number, and the type of service needed.
Phone: 303.792.0688
Email: Services@HagganAviation.com
Web: hagganaviation.com/contact
10. Why choose Haggan Aviation over other Learjet maintenance providers?
We combine over 60 years of hands-on Learjet expertise with the latest FAA standards, advanced tooling, and a customer-first mindset. Our reputation for quality, communication, and turnaround time makes us a preferred choice for operators across the U.S.
Ask Us a Question.