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TRAX eMRO

TRAX eMRO at a glance
VendorTrax USA Corp (subsidiary of AAR Corp)
HeadquartersMiami, FL
OwnershipSubsidiary of AAR Corp (NYSE: AIR) since 2023
DeploymentCloud (web-based), with eMobility mobile apps
Target marketAirlines, cargo carriers, government operators, large third-party MROs
IndustriesAviation, aerospace and defense
PricingNot published; quote-based
Websitetrax.aero

What TRAX eMRO is

TRAX eMRO is a web-based enterprise maintenance and engineering (M&E) system for airlines, cargo carriers, government operators, and large MRO organizations. It runs engineering, maintenance planning, materials, compliance, and work execution across a fleet, and the eMobility suite carries the same data to mechanics and warehouse staff on mobile devices. One classification point belongs at the very top: eMRO is an M&E platform, not a full ERP. Corporate finance and HR live in a separate system connected through interfaces.

Vendor, history, ownership

Trax was founded in 1999 and is headquartered in Miami, Florida. In March 2023 AAR Corp (NYSE: AIR), a US aviation aftermarket services group, acquired the company for approximately $120 million, and it now operates as the subsidiary Trax USA Corp. AAR has since expanded the software unit, adding maintenance planning specialist Aerostrat to Trax in 2025. The customer base spans airlines, MROs, and government operators representing roughly 5,000 aircraft. Named users include JetBlue, Frontier, Air Canada, and cargo carrier Amerijet, and an agreement with eVTOL developer Archer Aviation points the platform toward aircraft categories that barely existed when Trax started.

What it covers

The functional footprint is broad within maintenance and engineering, and deliberately narrow outside it:

  • Engineering and fleet management: aircraft configuration, maintenance programs, airworthiness directives, and technical records
  • Maintenance planning and production control for line, base, and heavy checks
  • Materials management: inventory, purchasing, repair orders, and warehouse functions
  • Regulatory compliance tracking and quality assurance
  • Work orders, task cards, and labor recording
  • eMobility apps: electronic task cards, digital manuals, electronic logbooks, fleet status, and mobile warehouse management
  • Long-range maintenance planning via the Aerostrat capability added under AAR ownership

Typical customers

Passenger and cargo airlines from regional to major scale, government and defense aircraft operators, and large third-party MRO organizations. eMRO ranks among the leading US-based options in the airline M&E segment, and the Archer agreement shows the vendor reaching toward emerging eVTOL operators. Parts distributors and small component shops are not the target audience; aftermarket-focused systems serve them better.

How it is sold

Cloud-based and browser-accessed, with the eMobility apps extending it to tablets and phones on the hangar floor. Pricing is not published, and contracts are quoted on fleet size, users, and scope. Two workstreams belong in the budget beside the subscription: the integration with the corporate ERP for finance, payroll, and procurement consolidation, and the data migration of technical records, which is frequently a major project in M&E replacements.

Editorial verdict

eMRO is a mature, airline-grade M&E platform with a strong US market presence, and AAR's investment has visibly accelerated product development. Airlines, cargo carriers, and large operators shortlisting M&E suites should have it on the list, particularly where fleet-wide compliance and technical records are the pain point. Two reservations belong next to that. First, this is not a full ERP, and every eMRO customer runs it alongside a corporate system that owns finance and HR, so the integration architecture needs scoping early in the selection process instead of being treated as a phase-two detail. Second, AAR is itself a major MRO services provider, which some independent MROs weigh carefully before licensing software from a competitor's subsidiary. Parts distributors and small component shops should look elsewhere entirely.

What the TRAX eMRO website looks like

Current view of the vendor homepage, captured by our editorial team.

Screenshot of the TRAX eMRO vendor homepage

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Frequently asked questions

Is TRAX eMRO an ERP system?

No. eMRO is an enterprise maintenance and engineering system rather than a full ERP. It covers engineering, planning, materials, compliance, and work execution for aircraft fleets in depth, while corporate finance, payroll, and HR remain in a separate ERP connected through interfaces. Airlines therefore operate eMRO alongside their corporate financial suite, and building that integration is a normal part of any implementation.

Who owns TRAX and where is the company based?

Trax was founded in 1999 and is headquartered in Miami, Florida. Since March 2023 it has been a subsidiary of AAR Corp, a publicly traded US aviation aftermarket services group, following an acquisition valued at approximately $120 million. Under AAR ownership the software unit has grown further, including the addition of maintenance planning specialist Aerostrat in 2025.

Which operators use TRAX eMRO?

Airlines, MROs, and government aircraft operators supporting roughly 5,000 aircraft, according to figures published around the AAR acquisition. Named customers include JetBlue, Frontier, and Air Canada, with cargo carrier Amerijet selecting the cloud suite more recently. The company has also signed eVTOL developer Archer Aviation, extending the platform toward emerging aircraft categories.

What is the eMobility suite?

A family of mobile applications that extends eMRO to tablets and phones on the hangar floor and in the warehouse. It includes electronic task cards, digital manuals, electronic logbooks, fleet status views, and mobile warehouse management. The purpose is to take paper out of maintenance execution and to capture labor, findings, and parts usage at the point of work.

What did the Aerostrat acquisition add?

Aerostrat is a maintenance planning specialist that AAR added to Trax in 2025, bringing long-range maintenance planning into the portfolio. For an operator evaluating the suite, the useful demo question is how that planning horizon connects to the line, base, and heavy check packages and to materials forecasting already handled inside eMRO.

Does AAR ownership create a conflict for independent MROs?

It is a fair question to raise openly. AAR is itself a major MRO services provider, so an independent MRO licensing eMRO buys software from a competitor's subsidiary, and some buyers weigh that carefully during selection. The counterweight is that AAR ownership has visibly accelerated product development since 2023. Put the concern directly to the vendor and ask how data separation and roadmap governance are handled.

What does TRAX eMRO cost?

Trax does not publish pricing; contracts are quoted individually based on fleet size, user counts, and functional scope. Beyond subscription fees, buyers should budget for implementation, migration of technical records and configuration data, and the interfaces to their corporate ERP. Those integration and migration workstreams are frequently among the largest cost items in an M&E system replacement.