✦ FAA Part 145 Certified · KAPA Denver

Citation Jet
Service Done
Right.

From inspections and troubleshooting to Garmin, Collins, connectivity, and cabin upgrades, Haggan Aviation supports Citation operators with practical expertise, responsive communication, and work that is completed with care.

Citation jet at Centennial Airport Denver
46,000 sq ft of hangar space at KAPA
Climate-controlled · On-site avionics & interior shops · Centennial Airport
Citation Mustang CJ1 · CJ2 · CJ3 · CJ4 Excel / XLS / XLS+ Citation Sovereign Bravo · Encore · Ultra FAA Part 145 Certified AOG Support Available Garmin & Collins Upgrades Centennial Airport KAPA Citation Mustang CJ1 · CJ2 · CJ3 · CJ4 Excel / XLS / XLS+ Citation Sovereign Bravo · Encore · Ultra FAA Part 145 Certified AOG Support Available Garmin & Collins Upgrades Centennial Airport KAPA
46K
Sq Ft Hangar
10+
Citation Models
Part 145
FAA Certified
24/7
AOG Response
Fleet Coverage
Every Citation,
Covered.

From the Mustang to the Sovereign, we have the tooling, training, and authorizations to keep your aircraft airworthy. Hover any model to see it. Don't see yours? Call us.

Citation Mustang
Citation I / II / V
Citation CJ1
Citation CJ2
Citation CJ3
Citation CJ4
Citation Bravo
Citation Encore / Ultra
Excel / XLS / XLS+
Sovereign / Sovereign+
+ Don't see yours? Ask us.
Aviation maintenance technician at work
Expert Technicians
Citation CJ3 on ramp
Citation Service
Aircraft cockpit avionics upgrade
Avionics
Interior
Interior
Citation engine
Engine Services
Full-Scope MRO
Everything Your Citation Needs.

Maintenance, avionics, engines, interiors, paint — all under one roof at KAPA. No outsourcing critical work. No runaround.

02
Engine &
Powerplant
  • Engine removal & reinstallation (R&R)
  • Hot Section Inspections (HSIs)
  • APU maintenance & troubleshooting
  • Borescope inspections
  • Vibration diagnostics & analysis
  • Engine performance & oil sampling
  • Pratt & Whitney engine support
  • Williams International engine support
03
Interior &
Exterior
  • Premium leather reupholstery
  • Carpet, panel & headliner replacement
  • LED lighting & cabin upgrades
  • Lavatory & galley improvements
  • Acoustic insulation packages
  • Custom exterior repaint & striping
  • Corrosion prep & clear coating
  • Logo & N-number updates
Citation cockpit avionics upgrade
ADS-B
Compliant
Avionics & Technology
Bring Your Cockpit Into Today.

Modern airspace demands modern avionics. Whether you need ADS-B Out compliance, a full Garmin panel, inflight Wi-Fi, or FANS 1/A for oceanic routes — our team installs, certifies, and signs it off.

ADS-B Out RVSM Cert Garmin Collins Pro Line Gogo AVANCE Starlink FANS 1/A FAR 91.411/413 AirText Oasis
Explore Avionics →

View Our Citation Work Gallery

Frequently Asked Questions – Citation Jet Services

  • 1. Which Citation jet models do you service?
    We service a wide range of Cessna Citation aircraft, including the Mustang, CJ series (CJ1, CJ2, CJ3, CJ4), Excel /XLS/XLS+, Bravo, Encore, Ultra, Sovereign and Citation X models. If you don’t see your model listed, contact us—we likely support it.

    2. Are you FAA-certified to work on Citation jets?
    Yes. Haggan Aviation is a fully authorized FAA Part 145 Repair Station, certified to perform Citation maintenance, repairs, inspections, avionics upgrades, and more—all in compliance with FAA and OEM standards.

    3. What types of inspections do you perform on Citation aircraft?
    We provide hourly, cycle, and calendar-based inspections, including:

    • Scheduled maintenance per OEM intervals

    • Pre-buy evaluations with logbook audits and borescope

    • AD and SB compliance

    • Corrosion control and structural checks

    • Landing gear inspections and repairs

    All inspections are documented per FAA guidelines.

    4. Can you upgrade my Citation’s avionics systems?
    Absolutely. We perform full Citation avionics upgrades, including:

    • ADS-B Out installations

    • Full Garmin installations

    • RVSM and FAR 91.411/91.413 certification

    • EFIS upgrades with Garmin or Collins systems

    • Gogo AVANCE Wi-Fi and connectivity installs

    • AirText, Starlink, and Oasis cabin systems

    • Troubleshooting of flight displays, radios, autopilots, and more

    We bring your cockpit up to today’s standards—safely and efficiently.

    5. Do you offer engine and APU services for Citation jets?
    Yes. We provide engine R&R, borescope inspections, vibration analysis, hot section inspections, and APU troubleshooting. Our technicians support both Williams International and Pratt & Whitney engines found in most Citation models.

    6. Can you perform pre-purchase inspections on Citation aircraft?
    Definitely. Our Citation pre-buy evaluations include:

    • Full airframe inspection

    • Logbook and maintenance record review

    • Engine and APU assessment

    • Avionics system check

    • Interior condition evaluation

    • Corrosion and fuel system inspection

    We help you make informed, confident decisions before purchasing.

    7. What Citation interior services do you offer?
    Our interior team provides full Citation cabin refurbishment, including:

    • Seat reupholstery and foam upgrades

    • New carpeting and wall panels

    • LED lighting upgrades

    • Lavatory and galley improvements

    • Soundproofing and insulation packages

    We create a clean, modern, and mission-ready cabin experience.

    8. Do you offer Citation exterior paint services?
    Yes. Our Citation repaint and paint restoration services include:

    • Surface prep and corrosion protection

    • Custom striping and branding

    • Partial aircraft repaint with clear coating

    • Touch-ups and N-number changes

    • Our professional paint process boosts both value and protection.

    9. How long does a Citation inspection or refurbishment typically take?

    • Timeframes vary by scope:

    • Minor inspections: 2–5 days

    • Major inspections (e.g., 12-month or 36-month): 2–4 weeks

    • Full interior refurbishments: 3–5 weeks

    We’ll always provide clear timelines and keep you updated throughout.

    10. How do I get a quote for Citation maintenance or upgrades?To request a personalized quote, contact our team with your Citation model, tail number, and requested service.

    Phone: 303.792.0688

    Email: Services@HagganAviation.com

    Web: https://www.hagganaviation.com/

    Or visit us at Centennial Airport (KAPA), Denver, Colorado