46K
Sq Ft Hangar Space
275+
Yrs Combined Experience
24/7
AOG Response
145
FAA Part 145 Certified
Expert Learjet Services

Full-Spectrum
Learjet Care

At Haggan Aviation, we provide industry-leading Learjet maintenance, repair, avionics, and full interior refurbishment services for operators who demand the best. Our licensed technicians service a wide range of Learjet models including the 31, 35, 36, 40, 45, 55, 60, and more.

Whether you're a private owner, fleet manager, or charter operator, we deliver reliable, efficient, expert-level support that keeps your Learjet in peak condition and ready to fly.

  • FAA Part 145 Repair Station, no capability restrictions
  • Authorized Raisbeck ZR LITE installation facility
  • Rapid turnaround times with personalized support
  • Full airframe, engine, avionics, and interior capabilities
  • Located at Centennial Airport (KAPA), Denver, CO
Schedule Service
Learjet aircraft maintenance at Haggan Aviation KAPA Denver
KAPA · Centennial Airport
Fleet Coverage

Learjet Models
We Service

Our technicians are experienced with both legacy and modern Learjet platforms, ensuring expert care regardless of age or configuration.

31 / 31A
Light Jet
Phase inspections, AD/SB compliance, avionics modernization, and Raisbeck ZR LITE upgrades for the 31-series platform.
35 / 36
Classic Light Jet
Full maintenance, structural work, fuel system repairs, and legacy avionics support for the proven 35/36 series.
40 / 40XR
Mid-Light Jet
Phase A–D inspections, Collins Pro Line avionics, Gogo AVANCE connectivity, and interior refurbishment.
45 / 45XR
Mid-Size Jet
Airframe inspections including 12,000-hour wing de-mate, Garmin GTN installs, ADS-B, and cabin upgrades.
55 / 55B
Mid-Size Jet
Structural repairs, shear web work, major airframe checks, and full interior refurbishment capability.
60 / 60XR
Super-Light Jet
Landing gear inspections, hot section inspections, avionics upgrades, and cabin refurbishments for the 60-series.
Airframe Inspections

Comprehensive
Learjet Maintenance

Our team performs all required Learjet airframe inspections in accordance with manufacturer specifications and FAA regulations, carried out by FAA-certified A&P mechanics using OEM or FAA-approved PMA parts.

  • 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
  • Flap AD Compliance – 2018-19-04
  • Fuel System Leak Repairs
  • Shear Web & Major Structural Repairs
  • Windshield Removal & Replacement
  • Non-Destructive Testing (NDT), on site
  • Flap, Aileron, Elevator & Rudder Work
  • Cabin Soundproofing Enhancements
  • Insurance Repairs and Evaluations
Haggan Aviation Learjet 55 engine removal at KAPA Haggan Aviation Learjet services at Centennial Airport Haggan Aviation Learjet silver at Centennial Airport
Avionics & Connectivity

Learjet
Avionics Upgrades

Stay connected and compliant with our full suite of Learjet avionics services. Whether you fly domestic legs or global missions, our certified avionics technicians modernize your flight deck for safety, compliance, and mission readiness.

ADS-B Out
RVSM
Garmin GTN
Collins Pro Line
Gogo AVANCE
Starlink
AirText / Oasis
91.411 / 91.413
EFIS / GPS
Learjet avionics cockpit upgrade at Haggan Aviation

Garmin GTN &
Avionics Upgrades

Our certified avionics team installs and certifies Garmin GTN 750Xi and GTN 650Xi navigators, GI 275 electronic flight instruments, and full WAAS-compliant GPS/FMS solutions for Learjet aircraft, from single navigator replacements to full panel modernization.

Navigation
WAAS/LPV, ILS, VOR, ADS-B In/Out
Displays
GTN 750Xi / 650Xi, GI 275
Connectivity
Connext, ForeFlight datalink
Compliance
FAR 91.411 / 91.413 certified

Starlink &
Gogo AVANCE Systems

We install and certify Starlink Aviation and Gogo AVANCE L3/L5 systems on Learjet aircraft. Starlink's low-Earth orbit constellation delivers high-speed, low-latency broadband at altitude. Gogo AVANCE provides reliable North American coverage for operators who need proven cabin connectivity.

Starlink Speed
Typically 135–310 Mbps in-flight
Starlink Latency
Under 100 ms, suitable for video and VPN
Gogo AVANCE
L3 & L5 installations available
Certification
STC-approved; full documentation
Cabin Craftsmanship

Learjet Interior
Refurbishment

Transform your Learjet's cabin into a comfortable, modern, mission-specific environment tailored entirely to your preferences and built to FAA standards by our in-house design team.

Luxury Learjet cabin interior leather seating
Premium Leather Suite
Learjet custom cupholder
Custom Details
Learjet new seating
New Seating
01
Leather Upholstery
Custom seat reupholstery in premium leather or fabric, hand-stitched, matched to your specification in color, texture, and stitching style.
02
Sidewalls & Headliners
Full cabin surface refresh including sidewall panels, headliner replacement, and trim finishing with materials sourced for durability and refinement.
03
Carpet & Flooring
Custom carpet installations tailored to mission and aesthetic, from executive configurations to high-traffic charter layouts.
04
Lavatory & Galley Upgrades
Complete suite transformations, from fixtures and finishes to full galley reconfigurations for your mission profile.
05
LED Lighting Conversions
Mood lighting systems with modern LED conversion and optional touch-panel cabin management interfaces for atmosphere control.
06
Acoustic Insulation
Cabin soundproofing enhancements for a quieter, more comfortable flight experience, particularly effective in the Learjet's compact cabin environment.
Certified Upgrades

Learjet Modifications
& Performance Upgrades

Certified performance upgrades and structural modifications that extend the capability, efficiency, and value of your Learjet.

Raisbeck ZR LITE Performance System
Authorized Installer
Authorized installation facility for the Raisbeck ZR LITE system on 30-series Learjets. This STC'd upgrade modifies flap contours to improve takeoff performance, increase climb rates, and enhance fuel efficiency.
Aft Fuselage Locker Installation
Custom Config
Add valuable storage and mission flexibility with custom fuselage lockers, ideal for cargo missions, medevac configurations, or passenger charters needing additional stowage capacity.
Avcon Delta Fins Installation
STC Certified
Improve directional stability and reduce yaw with certified Avcon Delta Fins, ideal for improving handling and passenger comfort, especially at lower speeds and during approach.
Regulatory Compliance

Haggan-Developed STCs

Haggan Aviation has developed two FAA-approved STCs for the Learjet 60: the UNS1-Ew and UNS1-Fw, giving Learjet 60 operators a proven, certified FMS upgrade path developed and owned by the shop doing the work.

Haggan Aviation Learjet 60 at KAPA
UNS1-Ew: Learjet 60
FAA-approved STC developed by Haggan Aviation. A certified FMS upgrade for the Learjet 60 platform.
UNS1-Fw: Learjet 60
FAA-approved STC developed by Haggan Aviation. A second certified FMS upgrade path for Learjet 60 operators.
Why It Matters
Haggan-developed STCs give Learjet 60 operators a proven, certified upgrade path backed by the team that built the approval. No middlemen, no guesswork.
Raisbeck ZR LITE performance upgrade Learjet
Raisbeck Engineering

ZR LITE
Performance System
for 30-Series Learjets

The ZR LITE is a certified aerodynamic upgrade that modifies flap contours and adds batwing elements to reduce drag, improve lift, and boost runway performance. Haggan Aviation is an authorized installation and certification center for this upgrade.

  • Improved takeoff performance and climb rate
  • Enhanced fuel efficiency on cruise segments
  • STC-approved installation with full documentation
  • Available for Learjet 31, 31A, and compatible 30-series
Engine & APU

Engine
Services

Expert troubleshooting, removals, and installations on Learjet engines and APUs, with coordination through OEMs and authorized repair partners for major work.

TFE731 Engine Services
Troubleshooting, routine inspections, and removal/installation on Honeywell TFE731-series engines common across the Learjet fleet.
Hot Section Inspections (HSI)
Borescope inspections and coordination with OEM and authorized shops for hot section work and overhauls.
APU Scheduled Maintenance
APU inspections, scheduled maintenance, and troubleshooting to keep your auxiliary power unit airworthy and reliable.
Vibration & Performance Diagnostics
Engine vibration surveys, performance trend monitoring, and diagnostics to catch issues before they become AOG events.
24 / 7 Response

Learjet AOG Support

We understand that downtime costs money. Rapid AOG response for Learjet operators, either at our Denver facility or through our mobile maintenance support network. Call us any time.

AOG Contact
Learjet Parts

Extensive Parts Inventory

We stock an extensive inventory of Learjet parts — airframe, avionics, engine components, and interior hardware. When your aircraft needs a part, we are not waiting on a supplier. Neither are you.

Inquire About Parts

View Our Learjet Work Gallery

 
 
Let's Talk About Your Learjet

Ready to
Get Started?

Whether it's a scheduled inspection, an AOG, a Raisbeck upgrade, or a full cabin refurbishment. Our team is ready.

Request a Quote AOG Emergency Call 303.792.0688
Common Questions

Learjet Services
FAQ

What Learjet models do you service?
We service most major Learjet models including the 31, 35, 36, 40, 45, 55, and 60 series. Our technicians are experienced with both legacy and modern Learjet platforms.
Are you an FAA Part 145 Repair Station?
Yes. Haggan Aviation is a fully authorized FAA Part 145 Repair Station, certified to perform inspections, maintenance, modifications, and avionics installations on Learjet aircraft, with no restrictions on capabilities.
What is the Raisbeck ZR LITE system?
The Raisbeck ZR LITE is a certified aerodynamic upgrade for 30-series Learjets. It modifies flap contours and adds batwing elements to improve lift, reduce drag, and enhance runway performance, climb rate, and fuel efficiency. We are an authorized installation center.
How long do major Learjet inspections take?
Timelines depend on the model and inspection type. 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 throughout.
Do you offer interior refurbishment?
Yes, full interior refurbishment including seat reupholstery, cabin panels, LED lighting, carpeting, and lavatory/galley work. All refurbishments are completed by our in-house team to FAA standards.
How do I get a quote?
Contact us with your Learjet model, tail number, and service needed. Phone: 303.792.0688 · Email: Services@HagganAviation.com · Or visit us at Centennial Airport (KAPA), Englewood, CO.