Maintainers

Serving the Vertical Flight Industry

Maintainers are companies that keep aircraft safe, reliable, and operational through maintenance, repair, overhaul, inspection, and specialized technical services.


Explore specialists supporting airframes, engines, avionics, components, structures, and other systems across helicopters, AAM aircraft, and UAS.

Maintainers

Airframe & Structures

Airframe maintenance and structural repair facilities provide inspection, repair, modification, fabrication, and restoration of aircraft structures and major airframe assemblies.
Discover airframe specialists providing sheet-metal and structural repair, corrosion repair, modifications, fabrication, and major structural restoration for helicopters, AAM aircraft, and UAS.

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Maintainers

Propulsion & Powerplant

Engine and powerplant MRO providers perform inspection, maintenance, troubleshooting, repair, and overhaul of aircraft engines and propulsion systems.
Discover engine specialists supporting turboshaft and piston engines, engine accessories and controls, electric propulsion, hybrid-electric systems, and emerging powerplant technologies for helicopters, AAM aircraft, and UAS.

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Maintainers

Avionics & Electrical Systems

Avionics shops and service centers install, inspect, troubleshoot, repair, and upgrade the electronic and electrical systems that support aircraft operation and control.
Discover avionics technicians and specialists supporting flight displays, navigation, communications, autopilots, electrical systems, generators, wiring, and aircraft electronics for helicopters, AAM aircraft, and UAS.

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Maintainers

Hydraulic, Mechanical & Actuation Systems

Component repair shops and MRO providers inspect, repair, overhaul, and test the hydraulic, mechanical, and actuation systems responsible for critical aircraft functions.
Discover specialists supporting hydraulics, servo controls, actuators, mechanical flight controls, pumps, valves, landing gear, wheels, brakes, and related systems for helicopters, AAM aircraft, and UAS.

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Maintainers

Dynamic Components & Drivetrain

Dynamic-component MRO facilities specialize in the inspection, repair, overhaul, and testing of critical rotorcraft power-transmission systems.
Discover component shops and specialists supporting transmissions, gearboxes, drive shafts, rotor heads, swashplates, freewheel units, clutches, and other dynamic components.

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Maintainers

Rotor & Propeller Blades

Rotor blade and propeller repair specialists provide inspection, repair, balancing, refinishing, and restoration of the aerodynamic components that generate aircraft lift and thrust.
Discover repair facilities supporting main and tail rotor blades, propellers, composite blades, distributed rotors, blade inspection, track and balance, and leading-edge repair for helicopters, AAM aircraft, and UAS.

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Maintainers

Battery & High-Voltage Systems

Aircraft battery repair stations and electrical specialists provide inspection, testing, maintenance, repair, conditioning, and technical support for aviation energy-storage and high-voltage systems.
Discover facilities and technicians supporting aircraft batteries, propulsion batteries, battery packs, BMS, high-voltage systems, power electronics, isolation testing, and thermal management for helicopters, AAM aircraft, and UAS.

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Maintainers

Diagnostics & Health Monitoring

Aircraft diagnostic specialists use HUMS, vibration analysis, condition monitoring, and aircraft data to troubleshoot problems, evaluate component health, and improve fleet reliability.
Discover diagnostic and technical-support providers specializing in rotor track and balance, engine diagnostics, fault isolation, predictive maintenance, HUMS analysis, and aircraft condition monitoring.

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Maintainers

Inspection & Nondestructive Testing

Aviation NDT providers and certified inspectors evaluate aircraft structures, materials, and components for defects, damage, and continued serviceability without impairing the items being inspected.
Discover NDT facilities and technicians providing eddy current, ultrasonic, liquid penetrant, magnetic particle, radiographic, borescope, composite, and other specialized aircraft inspections.

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Maintainers

Composites & Advanced Materials

Composite repair facilities and technicians specialize in the inspection, repair, restoration, and fabrication of lightweight aircraft structures and advanced-material components.
Discover composite specialists working with carbon fiber, fiberglass, honeycomb, bonded structures, composite panels, damage assessment, and structural repairs for helicopters, AAM aircraft, and UAS.

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Maintainers

Interior & Cabin

Aircraft interior and refurbishment specialists repair, restore, modify, and install cabin systems, furnishings, and mission-specific interior configurations.
Discover completion and refurbishment facilities supporting seating, upholstery, flooring, cabinetry, lighting, environmental systems, and VIP, utility, mission, and EMS interiors for helicopters and AAM aircraft.

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Maintainers

Paint & Coatings

Paint and coatings specialists protect rotorcraft surfaces and maintain their appearance through refinishing, corrosion protection, and specialty coatings.
Discover maintainers handling paint application, surface prep, and protective coating services for helicopters, AAM aircraft, and UAS.

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