Citation Jet Maintenance & Upgrade Services

FAA-Certified Citation MRO at Centennial Airport (KAPA), Denver, Colorado

At Haggan Aviation, we specialize in expert-level Citation aircraft maintenance, inspections, repairs, and upgrades. With decades of experience working across a broad range of Citation jet models, our FAA-certified team delivers precision workmanship, fast turnaround, and fully transparent service.

Whether you are operating a Citation Mustang, XLS+, CJ series, or Citation Sovereign, we offer tailored support designed to maximize your aircraft’s safety, comfort, and performance—while minimizing downtime and cost.

Citation Jet Models We Service

We provide maintenance and support for nearly all Cessna Citation aircraft, including:

  • Citation Mustang

  • Citation I, II, S/II, V

  • Citation CJ1, CJ2, CJ3, CJ4

  • Citation Bravo, Encore, Ultra

  • Citation Excel X / XLS / XLS+

  • Citation Sovereign / Sovereign+

If your aircraft is not listed, please contact us—we may still support your model.

Citation Aircraft Maintenance & Inspections

Our Citation MRO services are designed to meet or exceed OEM and FAA guidelines. We perform:

  • Calendar, hourly, and cycle inspections

  • Airworthiness Directives (ADs) and Service Bulletins (SBs)

  • Pre-purchase evaluations & borescope inspections

  • Fuel leak detection and tank repairs

  • Landing gear inspections, repairs & restorations

  • Corrosion inspection and prevention

  • Major structural and composite repairs

  • Non-Destructive Testing (NDT)

  • Battery, oxygen, and hydraulic system servicing

From AOG repairs to scheduled checks, Haggan delivers consistent, safe, and efficient results.

Citation Avionics Services: Need Garmin?

Upgrade your Citation’s technology with our expert avionics services and troubleshooting. We specialize in:

  • RVSM certifications

  • FAR 91.411/91.413 pitot-static testing

  • ADS-B Out compliance

  • Navigation and communication system upgrades

  • Flight display modernization with Garmin or Collins Pro Line

  • Gogo AVANCE inflight connectivity

  • Cabin Wi-Fi, AirText, Oasis, and Starlink installations

  • Radar, autopilot, and antenna system diagnostics

  • We modernize older systems or maintain your current avionics for top performance and FAA compliance.

Citation Engine & Powerplant Support

Our technicians offer Citation engine support services, including:

  • Engine R&R and vibration diagnostics

  • Hot Section Inspections (HSIs)

  • APU maintenance and troubleshooting

  • Borescope inspections

  • Engine performance analysis and oil sampling

  • Coordination with OEMs for warranty or overhaul support

We support multiple engine platforms commonly found in Citation aircraft, including Pratt & Whitney and Williams International engines.

Citation Interior Refurbishment & Cabin Upgrades

We offer custom Citation interior refurbishment, from subtle touch-ups to full cabin redesigns:

  • Premium leather reupholstery

  • Carpet, panel, and headliner replacement

  • LED lighting upgrades

  • Lavatory and galley enhancements

  • Cabin acoustic insulation packages

  • Touchscreen cabin control systems

Our in-house interior team blends luxury, utility, and FAA conformity to refresh your jet’s cabin environment.

Exterior Paint Services

Give your Citation a clean, professional appearance with custom aircraft paint solutions or exterior detailing:

  • Partial exterior repainting

  • Custom striping and logo application

  • Corrosion prep and surface sealing

  • UV- and weather-resistant clear coating

  • Paint touch-ups and registration number updates

We restore your jet’s finish to factory-quality standards or help you design a fresh new look.

Citation Services in Denver – Visit Us at Centennial Airport

Our state-of-the-art facility at Centennial Airport (KAPA) offers:

  • 46,000 sq ft of secure, climate-controlled hangar space

  • On-site interior and avionics shops

  • NDT and inspection equipment

  • Easy fly-in access for aircraft from across the U.S.

  • Concierge-level customer care and project updates

Why Citation Owners Trust Haggan Aviation

  • Decades of Citation-specific MRO experience

  • FAA Part 145 Certified Repair Station

  • Transparent pricing and real-time communication

  • Fast turnaround times, no corners cut

  • Convenient location in the Denver metro area

We treat your Citation like it & our own—because precision and safety aren’t optional.

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

 

Have Questions? Contact us

 


➤ location

12420 East Control Tower Road
Englewood, CO 80112
 

Office Hours

Monday - Friday
9AM - 6PM
 

Get in touch

☎ Contact
(303) 792-0688