Vertical: AnDBase Year: 2020
Market Size (2020)
$27.73B
Projected (2030)
$45.73B
CAGR (2018–2030)
4.9%
Key Players
10+
The global aircraft aftermarket parts market is estimated to register a 5.75% CAGR during the forecast period from 2018 to 2023. In 2017, the market was led by North America with a 29.58% share followed by Europe and Asia-Pacific with shares of 25.74% and 22.03% respectively.
The global aircraft aftermarket parts market has been segmented on the basis of parts, application, and region. On the basis of parts, the maintenance, repair, and overhaul (MRO) segment accounted for the largest market share of 61.67% in 2017. On the basis of application, the commercial segment accounted for the largest market share of 62.45% in 2017.
The Aircraft Aftermarket Parts Market market is projected to grow at a CAGR of 4.9% from 2018 to 2030.
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View Subscription PlansAircraft aftermarket parts are essential in ensuring the smooth operation of an aircraft. These parts are used by MRO service providers and in aircraft on ground (AOG) facilities. The rapid expansion of aircraft fleet and increasing focus of OEMs on providing aircraft MRO are expected to drive the demand for aftermarket parts, contributing to the market growth.
To provide a detailed analysis of the market structure along with a forecast for the next five years of various segments and sub-segments of the global aircraft aftermarket parts marketTo provide insights into factors affecting market growthTo analyze the global aircraft aftermarket parts market based on various tools such as supply chain analysis and Porter’s Five Force analysisTo provide historical and forecast revenue of the market segments and sub-segments with respect to regions and key countriesTo provide country-level analysis of the market with respect to the current market size and prospectsTo provide country-level analysis of the market by parts, application, and regionTo provide strategic profiling of the key players in the market, comprehensively analyzing their core competencies, and drawing a competitive landscape for the marketTo track and analyze competitive developments such as joint ventures, strategic alliances, mergers & acquisitions, new product developments, and research and developments in the global aircraft aftermarket parts market
Market Attractiveness Analysis
North America Market Size & Market Share By Country (2017 Vs 2023)
Europe Market Size & Market Share By Country (2017 Vs 2023)
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View Subscription PlansResearch Process
Wantstats analysis is based on extensive interviews with industry experts who offer insight into the market structure, market segmentation, technology assessment, competitive landscape (CL), market penetration, as well as the emerging trends. Besides primary interviews (~80%) and secondary research (~20%), their analysis is based on years of professional expertise in their respective industries. Our analysts also predict where the market will be headed in the next five to 10 years, by analyzing historical trends and the current market position. Furthermore, the varying trends in segments and categories in each region are studied and estimated based on primary and secondary research.
Primary Research
Extensive primary research was conducted to gain a deeper insight into the market and industry performance. For this particular report, we have conducted primary surveys (interviews) with the key level executives (VPs, CEOs, marketing directors, and business development managers among others) of the major players active in the market. In addition to analyzing the current and historical trends, our analysts predict where the market is headed in the next five to 10 years.
Secondary Research
Secondary research was mainly used to collect and identify information useful for an extensive, technical, market-oriented, and commercial study of the global aircraft aftermarket parts market. It was also used to obtain key information about major players, market classification, and segmentation according to industry trends, and developments related to the market and technology. For this study, analysts have gathered information from various credible sources such as annual reports, SEC filings, journals, white papers, corporate presentations, company websites, and paid databases.
Market Size Estimation
Both the top-down and bottom-up approaches were used to estimate and validate the size of the market and various other dependent sub-markets of the overall global aircraft aftermarket parts market. The key players in the market were identified through secondary research, and their market contributions in different applications across the globe were determined through primary and secondary research. This entire process included the study of the annual and financial reports of the top market players and extensive interviews for key insights with industry leaders such as CEOs, VPs, directors, and marketing executives. All percentage shares, splits, and breakdowns were determined using secondary sources and verified through primary sources. All the possible parameters that affect the market covered in this research study have been accounted for, viewed in extensive detail, verified through primary research, and analyzed to arrive at the final quantitative and qualitative data. This data has been consolidated and detailed inputs and analysis from Wantstats added before being presented in this report. The following figure shows an illustrative representation of the overall market size estimation process employed for the purpose of this study.
Base Year
2020
Historical Period
2018 – 2019
Forecast Period
2021 – 2030
Primary Interviews
150+
Historical data (2018–2020) and forecast period (2020–2030)
Our research process spans primary interviews with industry stakeholders combined with comprehensive secondary data analysis, validated through triangulation across multiple independent sources.
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View Subscription PlansThe global aircraft aftermarket parts market comprises several global and regional players. However, the market is dominated by a few key players who hold more than two-thirds of the market share. These players are adopting strategies such as product launches and acquisitions to improve their position in the market. High competition, rapid changes in technology, and provision of integrated solutions are the key factors that impact market growth. Suppliers compete based on cost, product quality, and reliability. It is crucial for these companies to offer cost-effective and superior MRO services to succeed in the competitive market environment.
The growth of the market is dependent on market conditions, government support, and industry development. Thus, companies should focus on improving services and expanding their regional presence. AAR (US), A J Walter Aviation Limited (UK), Aviall (a part of Boeing Company) (US), Eaton (Ireland), General Electric (US), Honeywell International Inc. (US), Meggitt Plc (England), Parker Hannifin Corporation (US), Collins Aerospace (US), Kellstrom Aerospace (US) are some of the key players operating in the global aircraft aftermarket parts market.
Collins Aerospace (US), General Electric (US), and Honeywell International Inc. (US), are the leading players and together accounted for over 73.68% of the market share in 2018.
Market Share Analysis
As mentioned above, the major players are dominating the market due to their vast industry experience, geographic reach, and wide service offering, while other companies are actively contributing to the market. These companies may strengthen their presence worldwide through product/service innovations during the forecast period. Aftermarket parts suppliers are investing in enhancing their research and development capabilities, which will assist in developing innovative products and services. These key companies with access to better technologies can develop unique and innovative services, which could afford them a competitive edge in the market. The competition in the market is likely to intensify further due to a rise in the number of product developments, mergers & acquisitions, and business expansions.
Threat of New Entrants
New players face difficulties in entering the market owing to strict regulations and high capital requirement. Moreover, new entrants are required to get the necessary certifications from manufacturing and airline authorities to supply parts, which is a rigorous process. Furthermore, several key players have a large geographic reach that prevents new companies to achieve economies of scale. Thus, the threat of new entrants in the market is expected to be low.
Bargaining Power of Suppliers
The switching cost of aftermarket parts is high as buyers purchase in bulk quantities. Aftermarket parts are required to be certified by authorities such as the FAA, which reduces the number of certified suppliers in the market. These factors result in a low bargaining power of suppliers.
Bargaining Power of Buyers
Buyers in the global aircraft aftermarket parts market are MRO providers and OEMs. Owing to the limited number of certified suppliers in the market, the buyers are required to agree to the MRO services offered by them. Furthermore, the presence of several buyers in the market reduces their bargaining power. Thus, the bargaining power of buyers is expected to be low.
Threat of Substitutes
There are limited substitutes for certified aftermarket parts though technological advancements could lead to the replacement of current existing spare parts in the future. Moreover, the buyers’ willingness to purchase substitute products is low due to regulations levied by concerned authorities such as the International Civil Aviation Organization (ICAO) and FAA. Thus, the threat of substitutes in the market is low.
Intensity of Rivalry
Competition in the global aircraft aftermarket parts market is high as there are several market players. Moreover, low product differentiation further intensifies rivalry among these companies. Players invest highly in research and development to provide cost-effective aftermarket parts which further increases competition in the market. Thus, the intensity of rivalry is expected to be high.
Market estimates by geography (2030)
InsightAsia Pacific leads with $13.60B by 2030.
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View Subscription Plans| REGION | 2018 | 2020 | 2030 | CAGR | SHARE |
|---|---|---|---|---|---|
| North America | $8.15B | $9.67B | $12.42B | 3.6% | 27% |
| Europe | $6.52B | $8.09B | $10.90B | 4.4% | 24% |
| Asia Pacific | $6.14B | $8.81B | $13.60B | 6.9% | 30% |
| Middle East and Africa | $3.00B | $3.96B | $5.68B | 5.5% | 12% |
| South America | $1.90B | $2.34B | $3.13B | 4.2% | 7% |
| Total | $25.72B | $32.88B | $45.73B | 4.9% | 100% |
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View Subscription PlansTotal Market Size
$45.73B
| APPLICATION | REVENUE ($B) | GROWTH RATE | MARKET PENETRATION |
|---|---|---|---|
| MRO Parts | $29.44B | 5.0% | 64% |
| Rotable Scrap Replacement Parts | $6.94B | 4.1% | 15% |
| Expendable | $5.48B | 5.5% | 12% |
| Consumable | $3.87B | 4.8% | 8% |
* Revenue projections based on 2025 estimates. Growth rates represent CAGR 2024–2030. Market penetration indicates current adoption rate within addressable market segments.
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Analytical insights on Aircraft Aftermarket Parts Market covering market dynamics, competitive landscape, and strategic outlook.
The Aircraft Aftermarket Parts Market market is projected to reach $45.73B by 2030, growing at 4.9% CAGR. The MRO Parts segment holds the largest share.
The global aircraft aftermarket parts market is expected to grow rapidly during the forecast period. This growth is driven by growing fleet of commercial aircraft, and aging military aircraft fleets. However, the growth of the market can be hindered by factors such as Stringent FAA regulations and high import duties on aircraft spare parts.
Increasing air passenger traffic across the globe is a major factor for the growth of commercial aircraft fleets. According to the FAA, as of 2016, there were more than 22,000 commercial aircraft across the globe. The existing commercial aircraft are expected to be replaced by more than 40,000 new aircraft over the next 20 years. The global fleet is likely to reach 45,000 aircraft by 2036. Moreover, the high demand for air travel in developing regions, such as Asia-Pacific, the Middle East, and Latin America, is expected to lead to an increase in the number of aircraft in these regions. On the other hand, the FAA expects that over 15,000 aircraft would be delivered in North America and Europe by 2036.
The growing commercial fleets are expected to result in an increased demand for OEMs and MRO service providers, which, in turn, is projected to drive market growth.
The average age of military aircraft is over 28 years. In recent years, there has been an increase in the number of aging military aircraft. According to the US Federal Budget for Fiscal Year 2018, in the US there was a decrease in the number of military aircraft from 5,517 in 2017 to 5,416 in 2018. Similarly, in Asia-Pacific and Europe, the military aircraft of various countries are expected to reach the end of their lifecycle during the forecast period. China and India are looking to upgrade their existing military fleets in the next 10 years to strengthen their forces. In September 2018, India signed an inter-governmental agreement with France to buy 36 Rafale jets manufactured by Dassault Aviation SA for USD 8.86 billion.
The above figure represents the theoretical model of an aircraft’s lifecycle. In the immature stage, the initial years of the aircraft operation, the cost of maintenance decreases with respect to the age of the aircraft. During the mature phase, the maintenance cost remains stable, while in the aging phase, the maintenance cost of aircraft increases. This leads to a surge in the demand for aftermarket parts for such aircraft. In the US, the number of retired military aircraft is expected to increase year on year. Similarly, India plans to retire its MiG jets after the procurement of Rafale jets.
Thus, the upgradation of aging military aircraft would create a significant demand for MRO facilities and, thus, drive the growth of the global aftermarket parts market in the coming years.
Distribution networks play a vital role in the availability of components at a particular location. Conventional distributional channels have several drawbacks such as long turnaround time, improper management of parts and resources, and backlogs, which hamper the supplier-customer partnerships. The introduction of e-commerce platforms in distribution networks improves the overall efficiency of aircraft aftermarket parts providers. They enable suppliers to forecast the number of orders and accordingly manage resources and time. Moreover, in the case of unavailable parts, suppliers can make available the required parts in less time from their inventories and other resources. For customers these platforms are beneficial as they can easily select the required parts and place an order with reduced turnaround time and cost comparison. Thus, e-commerce platforms could play a major role in the availability of aircraft aftermarket parts.
Aircraft OEMs have to adhere to the FAA’s standards for aftermarket parts due to which OEMs manufacture their own parts rather than procuring them from suppliers. On the other hand, MRO service providers do rely on suppliers and, therefore, have to ensure that they are FAA certified as there are several uncertified suppliers in the market. The use of uncertified parts could lead to major accidents. Hence, from a safety and reliability point of view, companies prefer FAA-certified suppliers for aftermarket parts.
However, the FAA is constantly updating its standards and regulations and parts manufacturers have to keep abreast of all such changes.
Thus, the increasing stringency of FAA regulations is expected to hamper market growth.
The import duties on aircraft spare parts play a vital role in determining the overall cost of the parts. While deciding the overall cost of aircraft spare parts, suppliers consider the manufacturing and transportation costs as well as the import duties. These import duties vary with each region and country. To avoid high import duties on aircraft spare parts, the MRO service providers and OEMs prefer local suppliers, which could hamper other prominent suppliers from expanding their presence in the market.
Technological advances in recent years have led aircraft manufacturers to use 3D metal printing or additive manufacturing to create complex aircraft parts. An evolving technology, 3D printing helps users design and create parts by considering the cost factor, surpassing conventional methods such as computerized numerical control (CNC) cutting, mold manufacturing, and canvas printing. It is economical and allows for quick design and rapid changes to internal features of aircraft engines, airframes, and components, which was not possible with traditional manufacturing methods. This technology reduces the size and weight of the entire aircraft as it produces lightweight parts, while maintaining structural integrity, increasing customization, and overall construction efficiency.
In January 2017, Airbus manufactured 3D printed airframe parts that are stronger and up to 55% lighter than traditionally manufactured parts.
Estonia-based Magnetic MRO, an integrated MRO services provider, acquired MAC Interiors, a UK-based firm, to launch a new project in November 2016 to merge MRO services with 3D printing technology so as to provide cost-effective and high-quality interior solutions.
Production of interior components is clearly an area where ALM techniques will grow. A cabin update can create gaps between new and old components. Previously plastic spacer panels would be produced via injection moulding – a relatively complex and costly process for the small number required. However, thanks to 3D printing, Airbus has enabled small-batch manufacturing that is quicker and produces components that are around 15% lighter than earlier versions. Similarly, manufacturer ATR is using 3D printing to produce low quantities of cabin parts for out-of-production variants of its turboprop airliner family.
In case of replacement parts, the large OEMs generally have a monopoly on the aftermarket business. But as with any industry, the presence of alternative aftermarket products of comparable, or even better quality drives down prices. For the aviation industry, this competition is from smaller independent MROs as well as PMA parts manufacturers.
Since 1950s, the Federal Aviation Administration (FAA) has been granting Parts Manufacturer Approval (PMA) for third-party manufacturers to produce replacement parts for aircraft. It is estimated that PMA parts provide cost savings between 30 to 50%, in addition to the design improvements. Most OEMs emphasize that procuring parts from PMA will prove cheaper in the long-term. Even if the PMA manufacturers are currently facing competition in North America, it is expected that in the forthcoming years PMA would be focusing on other regions of the world such as Asia-Pacific and the Middle East, where PMA acceptance and usage is rapidly developing. However, in North America, most air carriers already accept PMA parts. Whereas, in case of Europe, Asia, and other developing countries there remains a perception that OEM parts are high quality and more reliable. The dominant PMA players in the market are AMETEK, Parker Hannifin, Precision Castparts and others.
Big data refers to the study and applications of data sets that are too complex for conventional data-processing application software. Big data is used in the aftermarkets parts for capturing data, storage, search for parts, data analysis, sharing, transfer, visualization, querying, updating, information privacy, and data source. Predictive analytics and certain other advanced data analytics methods are used to extract value from data and minimize it to the size of a data set.
Data analytics platforms such as IBM’s Watson and GE’s Predix are ramping big data solutions. These would improve the predictive maintenance, for example, in November 2016, Teledyne Controls and GE Aviation had a strategic partnership to ease the flow of data and improve it via Predix, GE’s cloud-based analytics platform. Moreover, GE Aviation signed an agreement in 2016 with Capgemini SE to launch Configuration Data Exchange, which will enable airlines, parts distributors, MROs, and OEMs to electronically send information among them by using different data formats.
Aftermarket services can enhance manufacturers’ competitiveness significantly if data to insights and insight to action processes are reimagined with technology and analytics solutions at their core. Thus, big data plays a vital role in providing real t
Automation is the technique, method, or system of operating or controlling a process by highly automatic means, as by electronic devices, reducing human intervention to a minimum. Airline industry is working on automation of the MRO services in the future. As MRO services comprises of complex sets of processes, accordingly, customization needs to be carried out on the various processes. Presently, Lufthansa Technic is focusing on design and development of robots for MRO and aftermarkets parts by considering factors that improve the planning of parts, provides useful actionable insights, assist in predictability, and offer greater technical efficiency.
MRO outsourcing is gaining acceptance as performance-based logistics contracts are becoming popular in the aviation industry. Globally, aircraft operators are extensively outsourcing maintenance and logistics support contracts to MROs, which enables a quick turnaround time during maintenance. Furthermore, OEMs across the aviation industry are looking to increase their share of revenue from the aftermarket. Similarly, the industry has evolved from the in-house maintenance of fleets to customer-centric, third-party service offerings. For instance, Air France Industries KLM Engineering & Maintenance is a subsidiary of Air France KLM, which provide a full range of maintenance, repair, and overhaul services for all types of aircraft components including airframe, engines, FTRs, and landing gear to third-party customers.
Nations such as Brazil, Malaysia, Mexico, and South Africa have a low cost of labor and are continually improving support for MRO services. However, this support is mostly for labor-intensive heavy maintenance checks. Increasing fuel costs and retirement of maintenance-intensive aircraft will eventually have a negative impact on the outsourcing transition.
Hence, the aircraft MRO outsourcing would positively drive the aftermarkets parts market during the review period.
There have been 7 patents filed by the companies in the field of aircraft aftermarket parts market, over the last five years (1st March 2014 – 1st March 2019), out of which 5 were in the application phase and the remaining 2 were granted.
Near-term growth will likely concentrate in modular bioreactor lines and closed-system media workflows that shorten validation cycles while preserving batch traceability.
Partnerships between CDMOs and instrumentation vendors should accelerate standard datasets for comparability across sites, improving forecasting models used in capacity planning.
Longer horizon, organoid and microphysiological adoption may reshape segment mix; teams that invest early in assay interoperability and cloud QC hooks are better positioned to capture upside without fragmenting their analytics stack.
Profiles of 108 companies operating in the Aircraft Aftermarket Parts Market market, including revenue, employee count, and market positioning where available.
Showing 108 of 108 companies
Company Headquarters: UK Founded: 1947 Workforce: ~11,230 Company Working: Meggitt PLC (Meggit) designs and manufactures components for the aerospace, defense, and energy markets. It operates its business through five segments, namely Meggitt aircraft braking systems, Meggitt control systems, Meggitt polymers & composites, Meggitt sensing systems, and Meggitt equipment group. The Meggitt aircraft braking systems segment produces wheels, brakes and brake control systems for business jets and military and regional aircraft. The Meggitt control systems segment supplies aerospace fire protection & control systems, aerospace & industrial fuel, bleed air control valves, heat exchangers, high pressure ducting and ground refueling products. The Meggitt polymers & composites segment designs and develops engine and aerodynamic seals, flexible fuel tanks and fuel systems for military and civil aircraft, advanced composite engine components, radomes & secondary structures, electro-thermal ice protection systems, sub-assemblies, interior panels, and accessories. The Meggitt sensing systems segment offers sensing and monitoring solutions for rotating machinery. Its products include condition-based monitoring systems, sensors, flame monitoring systems, fluid monitoring systems, measurement systems, ignition systems, and onboard electronics. The Meggitt equipment group segment includes heat transfer equipment for hydrocarbon processing, electromechanical fans, pumps, compressors, electric motors, and controllers & training systems. Geographically, the company operates in the US, the UK and the rest of the world.
Honeywell Technologies is the automation core left after the most aggressive portfolio reshaping in Honeywell's 120-year history. It is a ~USD 20 bn-revenue business organised into three segments: - **Building Automation (BA):** fire, security and building-management products plus building solutions and services. - **Process Automation & Technology (PA&T):** Experion control systems, UOP process licensing and catalysts, LNG heat-exchange technology, and the newly acquired Johnson Matthey Catalyst Technologies. - **Industrial Automation (IA):** sensing, gas detection, industrial measurement and utilities solutions. Management's thesis is that a large installed base in mission-critical sites can be monetised through software (Honeywell Forge), services and outcome-based contracts, steering the company from "automation to autonomy." The company also holds a ~48% voting stake in Quantinuum (Nasdaq: QNT), worth billions at market. It enters FY2027 with a three-year target framework of 4–6% organic growth, more than 60 bps of annual margin expansion and double-digit EPS growth. --- **Company self-description.** The FY2025 10-K described Honeywell as an integrated operating company serving a broad range of industries and geographies. Its portfolio rested on the Honeywell Accelerator operating system and the Honeywell Forge platform. Four reportable segments existed at that time: Aerospace Technologies, Industrial Automation, Building Automation, and Energy & Sustainability Solutions. Post-spin boilerplate (Q2-2026 release) describes Honeywell Technologies as a global pure-play automation company serving the building, industrial and process sectors. It operates through: - the Honeywell Technologies Accelerator operating system, and - the Honeywell Technologies Forge "intelligence layer." It states that combining more than 50,000 employees' domain expertise with decades of installed-base data positions it to lead the transition from automation to autonomy. **Business model.** Honeywell Technologies sells four kinds of offering: 1. **Engineered products:** fire panels, detectors, access-control hardware, sensors, gas detectors, transmitters, pumps and compressors (Sundyne), and catalysts and adsorbents. 2. **Systems and projects:** distributed control systems (DCS), safety systems, building-management systems, LNG liquefaction trains (coil-wound heat exchangers), utilities and metering projects. 3. **Services:** lifecycle and aftermarket services, maintenance contracts, upgrades and migrations. 4. **Licensing and software:** UOP process-technology licences, Forge/Niagara software, OT cybersecurity. **Revenue mix.** - **Product vs service (consolidated, pre-spin, FY2025):** product sales USD 24,515 m (65.5%) and service sales USD 12,927 m (34.5%) (Q4-2025 8-K). - **Q2-2026 consolidated:** products USD 6,374 m and services USD 3,345 m (34.4% services). - **Subscription/software:** not separately quantified in filings. Management reported ~15% Forge software ARR growth on the Q2-2026 call (aggregator transcript summary). It targets services plus software rising toward ~45% of revenue over the three-year plan (Investor Day remarks, aggregator transcript; not stated in the formal release). - **Licensing:** UOP licence fees sit within PA&T and are not separately disclosed. **Value-chain position.** Honeywell sits between component suppliers (semiconductors, electronics, metals, rare-earths, precious metals for catalysts) and end-owners/operators: refiners, LNG developers, petrochemical producers, building owners, data-centre operators, utilities and industrial OEMs. In process markets it is often the main automation contractor or licensor. That role gives it early specification influence and decades-long aftermarket annuities: catalyst reloads, control-system migrations and spare parts. **Customer types and end-markets.** - **BA:** commercial real estate, data centres, healthcare, hospitality, airports, government, education. Sold through distributors, system integrators and direct channels. - **PA&T:** refining, petrochemicals, LNG, chemicals, renewable fuels (SAF and renewable diesel via UOP Ecofining), hydrogen, ammonia and methanol (JM CT), pulp and paper, mining, life sciences. - **IA:** discrete and process manufacturers, utilities, aerospace and defence OEMs (sensing), oil and gas safety (gas detection), battery energy storage (Li-ion Tamer). **Independent characterisation.** After 2026, Honeywell Technologies is best understood as three businesses: - **BA:** a ~USD 8 bn, high-margin (~27%) fire, security and building-controls franchise with real secular tailwinds from data centres. - **PA&T:** a ~USD 7 bn process franchise. Its economics are driven by large-project cycles (LNG, refining) and lumpy catalyst shipments, so margins swing with mix. - **IA:** a ~USD 6 bn smaller, lower-margin (~17%) set of sensing and safety businesses. It was the main source of the 2025 goodwill impairment and is what remains after the PSS, WWS and PPE exits. The equity story rests on raising organic growth from the low single digits of 2024–25 to mid-single digits, while expanding margins from a ~20% base.
RTX occupies a structurally advantaged position that no other prime replicates: roughly half its revenue is commercial aerospace and half defence, giving it a natural hedge across two cycles that rarely peak together — and which, unusually, are peaking together in 2026. Collins Aerospace and Pratt & Whitney are entrenched on the installed base of the global narrowbody and widebody fleet, generating decades-long, high-margin aftermarket annuities. The Raytheon segment is the Western world's dominant supplier of ground-based air and missile defence effectors — Patriot, GEM-T, AMRAAM, Standard Missile, ESSM — precisely the munitions category that European rearmament and Middle East conflict have made scarce. A record $289 billion backlog at 30 June 2026, equal to roughly three years of sales, converts that positional advantage into unusual revenue visibility. The offsetting reality is that RTX carries $37 billion of debt, an $85 billion goodwill-and-intangible balance from the merger, and the unresolved cost tail of the GTF powder-metal remediation. RTX Corporation is the world's largest aerospace and defence company by revenue, and the only prime contractor that simultaneously holds franchise positions in commercial aircraft engines, commercial aerospace systems, and ground- and sea-based integrated air and missile defence. It was created in April 2020 by the merger of Raytheon Company with the aerospace businesses of United Technologies Corporation, and it renamed itself from Raytheon Technologies to RTX in July 2023 alongside a consolidation from four operating segments to three. *Note on the headcount discrepancy:* RTX's own boilerplate has said "more than 180,000" continuously since 2023, while the 2025 proxy and third-party trackers cite approximately 185,000 for the CEO-transition period and ~185,000 for Q1 2026. The company does not publish a precise year-end headcount in its earnings releases; the figure is best read as a stable 180,000–185,000 band across the three years, with divestitures (CIS, actuation, Simmonds, hoist & winch — collectively well over 10,000 employees) offset by hiring into the defence and MRO ramp. --- ### What the company does RTX designs, manufactures, and services aerospace and defence systems for commercial airlines, aircraft OEMs, business aviation operators, the U.S. Government (principally the Department of Defense, latterly styled the Department of War in contract announcements), and allied governments worldwide. Its FY2025 Form 10-K describes the three segments as follows: Collins Aerospace provides advanced aerospace and defence products; Pratt & Whitney supplies aircraft engines; and Raytheon delivers defensive and offensive threat detection and mitigation capabilities. The company's independent characterisation is better expressed as three distinct economic engines bolted onto one balance sheet: 1. **An installed-base annuity business (Pratt & Whitney and, to a lesser degree, Collins).** Engines and nacelles are sold at or near cost — sometimes at a loss — to win position on an airframe, after which spare parts, overhauls, and long-term service agreements generate profit for twenty to thirty years. This is why Pratt & Whitney's reported segment margin (8.3% in FY2025) looks weak against Collins (16.2%) despite comparable revenue: Pratt is still absorbing original-equipment loss content on the GTF ramp while the aftermarket annuity has yet to reach maturity. 2. **A cost-plus and fixed-price government contracting business (Raytheon, plus Collins' defence lines).** Revenue is recognised over time on the percentage-of-completion basis, which makes reported margins highly sensitive to estimate-at-completion revisions. The FY2024 $575 million charge on a terminated foreign fixed-price development contract is the canonical illustration. 3. **A component and systems supply business (Collins).** Avionics, interiors, power management, and aerostructures sold to Airbus, Boeing, Embraer, Bombardier, and defence primes, with a large parts-and-repair aftermarket layered on top. ### Revenue model and mix Sources: FY2025 Form 10-K Item 1 (U.S. government and international sales tables, backlog); RTX 2025 Annual Report sales-mix infographic; Q3 2025 disclosure for the product/service split. Note the structural shift: U.S. Government sales fell from 46% of revenue in FY2023 to 38% in FY2025 — not because U.S. volume declined (it rose from $31.6bn to $33.3bn) but because international and commercial revenue grew far faster. This is the single most important mix fact in the company today, because international direct commercial sales carry materially better margins than U.S. cost-type work, and because European air-defence procurement is the fastest-growing pool RTX addresses. ### Value chain position and customers RTX sits at the prime and Tier-1 layers simultaneously. On F-35 it is a major subsystem supplier (F135 propulsion via Pratt; sensors and avionics via Collins) to prime contractor Lockheed Martin — a direct competitor at the enterprise level. On Patriot and SPY-6 it is the prime. On A320neo it is a propulsion and nacelle supplier to Airbus, which in March 2026 was reported to be formally seeking damages from Pratt & Whitney over GTF disruption. This simultaneous supplier/competitor/counterparty posture across the same customer set is a defining feature of RTX's commercial relationships and a recurring source of litigation and negotiation risk. **End-markets served:** commercial air transport (OE and aftermarket); regional and business aviation; rotorcraft; military fixed-wing and rotary propulsion; integrated air and missile defence; naval combat systems; precision-guided munitions; space sensing and communications; airport and airline IT infrastructure; and government training and mission services.
Company Headquarters: Roselle, Illinois, US Founded: 2002 Workforce: ~100 Company Working: Kellstrom Aerospace supplies aircraft parts and services to players in the aviation industry such as Boeing and Airbus. The company offers services for aircraft parts distribution, inventory management, repair management, aftermarket parts, and fleet solutions. It also offers a one-stop shop for all OEM aircraft parts with customer service. Kellstrom Aerospace has major presence in the US and Singapore.
Company Headquarters: Dallas, US Founded: 1932 Workforce: ~1,500 Company Working: Aviall offers aviation parts and aftermarket supply chain management services for the defense and aerospace industries. The company was acquired by Boeing in 2006. Aviall provides aircraft fittings and MRO services for aircraft battery packs, batteries, brakes, and wheels. It also offers kitting, hose assembly, rotables management, chemical management, automated inventory management, and other aviation services. The company has partnered with approximately 250 manufacturers and has a presence in over 40 locations including Hong Kong, Singapore, Tokyo, Dubai, and Shanghai.
Company Headquarters: Slinfold, UK Founded: 1932 Workforce: NA Company Working: A.J. Walter Aviation Limited (A.J. Walter) supplies, repairs, and exchanges commercial aircraft spare parts. The company provides component repair services, aircraft spare support services, engine support programs, and leasing solutions for airlines. A.J. Walter also offers aviation services such as power-by-the-hour and pool access, consumable supplies, and aircraft engines. It provides aircraft-on-ground (AOG) services, inventory management, and aircraft maintenance management for the aviation industry. The company has a global presence and offers services to customers across the world.
8 interactive charts drawn from the Aircraft Aftermarket Parts Market dataset — market size, regional splits and each segment breakdown. Open one to read its full data table and download it.
Global Aircraft Aftermarket Parts Market By Application
Global Aircraft Aftermarket Parts Market By Parts
Global Aircraft Aftermarket Parts Market Brazil, Mexico and Rest Of South America By Country
Global Aircraft Aftermarket Parts Market UAE, Saudi Arabia, Israel and Rest Of Middle East And Africa
Global Aircraft Aftermarket Parts Market China, Japan, India and Rest Of Asia Pacific By Country
Global Aircraft Aftermarket Parts Market Germany, United Kingdom, France, Italy and Rest Of Europe By Country
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I am very pleased with how market segments have been defined in a relevant way for my purposes (such as "Portable Freezers & refrigerators" and "last-mile"). In general the report is well structured. Thanks very much for your efforts.
Group Product Manager HVAC & Fire Protection GMA, Rockwool
I have been reading the first document or the study, the Global HVAC and FP market report 2021 till 2026. Must say, good info! I have not gone in depth at all parts, but got a good indication of the data inside!
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Historical performance and future projections (2020–2030, USD Billion)
Market Size (USD Mn)
