The aircraft line maintenance, repair, and overhaul (MRO) market is expected to witness steady growth from 2025 to 2035, driven by the continuous expansion of the global aviation fleet, increasing passenger traffic, and the growing focus on operational reliability. Line MRO services include routine maintenance tasks such as inspections, component replacements, and troubleshooting conducted at airport ramps or hangars to ensure aircraft readiness and safety between scheduled overhauls.

According to Stratview Research, "The aircraft line MRO market size was valued at US$73.8 billion in 2024 and is expected to reach US$88.5 billion by 2035, growing at a CAGR of 1.8% during the forecast period."

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Global Outlook
With air travel demand projected to rise across both commercial and regional sectors, airlines are increasingly emphasizing efficient maintenance strategies to minimize downtime. The global MRO industry is also adapting to new-generation aircraft that require advanced diagnostic systems and specialized maintenance skills. The integration of digital monitoring tools and predictive maintenance technologies is expected to reshape how operators manage fleet health and performance.

Key Developments
Technological advancements in predictive analytics, artificial intelligence, and remote diagnostics are enabling more precise maintenance scheduling and cost optimization. Additionally, partnerships between MRO providers and aircraft manufacturers are strengthening service networks, ensuring better access to spare parts and technical expertise. The shift toward sustainable aviation practices is also prompting MRO operators to adopt eco-efficient maintenance methods and reduce waste in line with global carbon reduction goals.

Market Share Analysis
The market is anticipated to see growing participation from third-party MRO providers, alongside in-house airline maintenance units and OEM-affiliated service centers. Regional growth will likely be led by Asia-Pacific and the Middle East, where expanding airline fleets and airport infrastructure investments are accelerating maintenance demand.

Overall, the aircraft line MRO market is positioned for consistent growth through 2035, supported by evolving technologies, expanding global fleets, and the continuous need for reliable operational performance.