Aircraft Component MRO with Engineering
Depth and Fast Turnaround
Search 597+ Aircraft Components
Environmental Control System components, hydraulics, air cycle machines, and more — across hundreds of aircraft makes and models. Find your part and request a quote.
Environmental Control System
Component Repairs
Heat Transfer Equipment
Heat Exchangers, Pre-Coolers, Oil Coolers, Reheater/Condenser
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Air Management Systems
Butterfly, Check, Modulating, Pressure Regulating and Shut-off, Bleed Air Regulating, and De-ice
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Temperature Sensing Devices
Cabin Temperature and Engine Accessory Switches and Sensors
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Differential Pressure Switches
Oil, Fuel, Hydraulic
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Air Cycle Machines
Compression, Cooling, Expansion
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Hydraulics
Hydraulics
View Details →Why Airlines and Operators Choose QTC
Reduced Process Times
Engineering-driven workflows cut component turn times without sacrificing quality.
Reduced Repair Costs
OEM engineering expertise means we repair rather than replace wherever possible.
Electronic Status Updates
Automated notifications keep your team informed at every stage of the repair process.
Predictable Fixed Pricing
Clear upfront quotes — no surprise invoices at return.
Engineered System Repairs
Customized engineering solutions by aerospace engineering experts with OEM backgrounds.
Serving Customers Worldwide
QTC's capabilities span the full breadth of aircraft ECS components — from heat exchangers and air cycle machines to hydraulic pumps. Our 597-part catalog reflects 25+ years of hands-on repair depth.
Our Commitment
Qualified Technologies is committed to serving airlines in need of effective and reliable customer support to facilitate a mutually beneficial, long-term relationship.
The founders of QTC are veterans of the aircraft components maintenance and repair industry with over 100 years of cumulative experience. The founders of Qualified Technologies Corporation are former aerospace OEM engineers from Hamilton Sundstrand and Honeywell.
We are conveniently located about 50 miles east of Los Angeles, next to the Upland Cable Airport and UPS and FedEx distribution facilities.
Trusted by Airlines and Operators
It’s been a long time since I’ve worked with such a knowledgeable, professional group of people, and seen such a clean operation.
QTC is starting off on a good note by buying exchange units and providing notification etc. Whatever makes the expeditor’s job easier is always a plus.
If you DON’T hear from us you are doing everything right. Meeting schedules and the communication from QTC is a welcome change in our vendors.
QTC is a great example of a responsive vendor using a responsible carrier for an appreciative customer…and the automated communication between all was impressive.
From Our Facility
Need repair, overhaul, or part support?
QTC's engineering-backed team is ready to turn around your aircraft components with speed, transparency, and fixed pricing.
