MRO & Manufacturing
Pratt Whitney Secures 15 Year APU Maintenance Deal with Singapore Airlines
Pratt & Whitney signs a 15-year maintenance contract with Singapore Airlines for APS5000 APUs on Boeing 787s, enhancing reliability and cost predictability.
The aerospace maintenance industry witnessed a significant development on September 18, 2025, when Pratt & Whitney Canada, a division of RTX Corporation, announced a comprehensive 15-year maintenance agreement with Singapore Airlines covering 34 APS5000 auxiliary power units that support the airline’s Boeing 787 Dreamliner fleet. This strategic partnership represents more than a conventional service contract, embodying a growing trend toward long-term, technology-driven maintenance solutions in the commercial-aircraft sector. The agreement underscores the critical importance of auxiliary power units in modern aircraft operations while highlighting the increasing market value of specialized maintenance services in an industry projected to reach USD 12.48 billion by 2032.
The deal comes at a time when RTX is experiencing robust financial performance, with fourth-quarter 2024 sales reaching $21.6 billion, representing a 9 percent increase over the previous year. This maintenance contract not only solidifies Pratt & Whitney’s position as the leading provider of APU technology for the Boeing 787 platform but also demonstrates Singapore Airlines’ commitment to maintaining operational excellence through strategic partnerships with original equipment manufacturers.
Auxiliary Power Units (APUs) are critical components in modern aircraft, functioning as compact gas turbine engines that provide essential services when main engines are not operational. These devices, typically installed in the tail cone or other strategic locations, supply electrical power, compressed air for engine starting and cabin environmental control, and emergency power during flight operations. The significance of APUs lies in their ability to enable aircraft to operate independently, reducing reliance on ground support equipment.
The global aerospace and military APU market reached USD 4.2 billion in 2024 and is projected to expand to USD 5.6 billion by 2033. This growth is driven by the demand for fuel-efficient solutions, the development of electric aircraft technologies, and the need for additional power capabilities in modern aircraft. Aging aircraft fleets also necessitate more frequent maintenance, repair, and overhaul services, providing opportunities for specialized providers.
Technological advances have improved APU efficiency, environmental performance, and reliability. Modern APUs operate at constant speeds, resulting in stable combustion temperatures and potentially longer operational life. However, they still require sophisticated monitoring and maintenance to counteract hardware wear, particularly in turbine stages. Major market players include Honeywell International Inc., Safran Group, Pratt & Whitney, PBS Velka Bites, and Lufthansa Technik, all of whom increasingly focus on comprehensive lifecycle support and predictive maintenance.
The Pratt & Whitney APS5000 is the industry’s first all-electric APU for large commercial aircraft, designed exclusively for the Boeing 787 Dreamliner. It delivers 450kVA of electrical power at sea level and operates up to 43,100 feet. Since its entry into service in 2011, the APS5000 has set new standards for environmental performance and operational efficiency, producing over 300kW of power with the lowest emissions and noise levels in its class.
Over 1,400 APS5000 units have been manufactured, with the fleet accumulating nearly 16 million operational hours. This extensive operational history provides valuable data for maintenance program development and continuous improvement. The all-electric design reduces system complexity, enhances reliability, and eliminates the need for traditional pneumatic systems.
The APS5000’s exclusive relationship with the Boeing 787 Dreamliner creates a unique market position. The 787 fleet has surpassed 1 billion passengers in less than 14 years, with more than 1,175 aircraft delivered and over 2,000 orders from 89 customers worldwide. Advanced digital technologies in the APS5000 enable real-time performance monitoring and predictive maintenance, supporting optimal scheduling and minimizing downtime. “The APS5000 is the industry’s first all-electric APU for large commercial aircraft, supporting the Boeing 787’s reputation for innovation and efficiency.”
Singapore Airlines operates a technologically advanced fleet of 163 aircraft as of February 2025, including 26 Boeing 787-10s with four more on order. The airline’s focus on widebody aircraft aligns with its commitment to operational excellence and advanced technology adoption. In the financial year ending March 31, 2025, the airline reported total revenue of 19,539.8 million Singapore dollars, with aircraft maintenance and overhaul costs totaling 643.5 million Singapore dollars.
Singapore Airlines’ extensive route network spans over 85 countries and 520 airports, requiring APUs to perform reliably in diverse environmental conditions. The airline’s proactive maintenance strategies emphasize partnerships with original equipment manufacturers to ensure fleet availability and reliability. The integration of advanced aircraft like the 787 requires specialized maintenance expertise, reinforcing the value of long-term agreements with companies like Pratt & Whitney.
The airline’s maintenance philosophy is built on proactive strategies and strategic partnerships, recognizing the value of comprehensive agreements for predictable costs, performance assurance, and access to technical expertise. The decision to enter into a 15-year maintenance contract for the APS5000 fleet reflects this approach to fleet management and operational optimization.
RTX Corporation has established itself as a dominant force in aerospace, reporting fourth-quarter 2024 sales of $21.6 billion and a full-year backlog of $218 billion. Pratt & Whitney, a key RTX business unit, achieved $7.569 billion in sales in Q4 2024, up 18 percent year-over-year, driven by increases in commercial equipment and aftermarket sales.
Pratt & Whitney’s operating profit reached $504 million in Q4 2024, a 32 percent increase, with adjusted profit at $717 million, up 77 percent. This financial strength enables continued investment in research, manufacturing, and customer support. Long-term maintenance agreements like the one with Singapore Airlines provide stable revenue and deepen customer relationships, supporting further business opportunities and continuous product improvement.
RTX projects continued growth for 2025, with adjusted sales expected between $83.0 and $84.0 billion and free cash flow of $7.0 to $7.5 billion. These resources underpin the company’s ability to honor long-term commitments and invest in advanced technologies that sustain its market leadership.
“Long-term maintenance agreements provide stable revenue streams and foster deep customer partnerships, enabling continuous innovation and competitive differentiation.”
The 15-year maintenance agreement covers 34 APS5000 APUs for Singapore Airlines’ 787 fleet, offering tailored solutions for peak performance, predictable costs, and long-term reliability. This partnership reflects a shift toward outcome-based contracts that align manufacturer and operator interests in operational excellence and cost optimization.
Pratt & Whitney’s maintenance solutions for the APS5000 are designed to ensure OEM standards and support high dispatch reliability. The agreement includes scheduled and unscheduled maintenance, component replacements, and performance monitoring, likely incorporating predictive analytics for proactive issue identification and minimized downtime. Financially, long-term contracts provide airlines with predictable costs for planning and budgeting, while service providers gain revenue visibility and data for continuous improvement. The global aircraft maintenance, repair, and overhaul market is projected to grow from USD 82.5 billion in 2024 to USD 122.6 billion by 2033, reflecting increasing demand for comprehensive services.
The APU service market is undergoing transformation, driven by regulatory requirements, rising operational costs, and a growing preference for outsourced services. Estimated at $5 billion in 2025, the APU service market is projected to grow at approximately 7 percent annually through 2033.
Technological advancements, such as predictive maintenance and real-time diagnostics, are reshaping the landscape. Leading players are investing in expanded service networks and enhanced technology to capture market share. The Asia-Pacific region, in particular, is expected to show strong growth due to rapid air travel expansion and increased maintenance needs.
The competitive landscape features both multinational corporations and specialized providers, with competition based on expertise, coverage, quality, and cost. Industry consolidation is leading to larger contracts and increased business volumes for major providers, while also creating opportunities for niche players.
Singapore Airlines’ maintenance and overhaul costs highlight the significant financial commitment required for modern fleets. Comprehensive maintenance agreements offer airlines operational efficiency, risk mitigation, and cost predictability, while service providers benefit from stable revenue and opportunities for continuous improvement.
The broader economic impact supports employment, drives demand for specialized equipment, and fosters innovation in maintenance technologies. Investments in predictive maintenance and digital platforms require substantial capital but can yield significant returns through efficiency gains and enhanced customer value.
The global aircraft MRO market’s projected growth underscores the economic importance of these services, creating opportunities for technology providers, training organizations, and regional service companies.
The aerospace industry is being transformed by sustainability requirements, technological advances, and evolving operational demands. The push for environmental performance is driving the development of electric and hybrid-electric APUs, such as the APS5000, which reduce emissions and improve efficiency. Digital transformation is revolutionizing maintenance through analytics, artificial intelligence, and IoT, enabling real-time monitoring and predictive maintenance. This shift supports new service models, improved efficiency, and enhanced customer satisfaction.
Sustainable aviation fuels, alternative propulsion, and supply chain resilience are also influencing APU technology and maintenance. Service providers with expertise in supporting next-generation technologies and robust supply chains are well-positioned for future growth.
The APU maintenance market’s outlook is strong, driven by rising air traffic, fleet expansion, and aging aircraft. Technological innovation in diagnostics, predictive maintenance, and digital platforms will further enhance efficiency and operational outcomes.
Environmental sustainability and industry consolidation will shape future demand for advanced maintenance services. Service providers capable of delivering integrated, technologically advanced solutions will be positioned to capture a growing share of the expanding global market.
The 15-year maintenance agreement between Pratt & Whitney Canada and Singapore Airlines for APS5000 APUs marks a significant milestone in aerospace maintenance, reflecting the industry’s shift toward comprehensive, technology-driven partnerships. The deal highlights the importance of outcome-based maintenance, operational excellence, and cost predictability in modern aviation.
With advanced technology, extensive operational experience, and a strong financial foundation, both companies are set to benefit from this long-term collaboration. As the industry evolves toward greater sustainability and digitalization, such partnerships will play a pivotal role in maintaining safety, reliability, and efficiency standards in commercial aviation.
What is the APS5000 APU? How many APS5000 units have been produced? Why are long-term maintenance agreements important for airlines? What is driving growth in the APU maintenance market? How does digital technology impact APU maintenance? Sources:
RTX’s Pratt & Whitney Secures Strategic 15-Year Maintenance Agreement with Singapore Airlines for APS5000 APU Fleet
Background on Auxiliary Power Unit Technology and Market Dynamics
The APS5000 APU: Revolutionary Technology and Market Leadership
Singapore Airlines Fleet Composition and Strategic Infrastructure
RTX Corporation and Pratt & Whitney’s Market Position
The Maintenance Agreement: Comprehensive Analysis and Strategic Significance
Industry Context and Maintenance Market Evolution
Financial Implications and Economic Impact Analysis
Global Industry Trends and Technological Evolution
Future Outlook and Market Evolution Perspectives
Conclusion
FAQ
The APS5000 is an all-electric auxiliary power unit developed by Pratt & Whitney for the Boeing 787 Dreamliner, providing electrical power and system support when the main engines are not running.
Over 1,400 APS5000 units have been manufactured, with the fleet accumulating nearly 16 million operational hours.
Long-term agreements provide predictable maintenance costs, access to specialized expertise, and enhanced operational reliability, allowing airlines to focus on core operations.
Market growth is driven by fleet expansion, aging aircraft, technological advancements, regulatory requirements, and the trend toward outsourcing maintenance to specialized providers.
Digital technology enables real-time monitoring, predictive maintenance, and data-driven decision-making, improving efficiency and reducing unplanned downtime.
RTX Newsroom
Photo Credit: RTX
MRO & Manufacturing
Aircraft Structures Group Completes 250th Business Jet Repair Milestone
Aircraft Structures Group reaches 250 business jet repairs, highlighting mobile AOG services and specialized fuel tank maintenance in a growing MRO market.
This article is based on an official press release from Aircraft Structures Group.
On March 31, 2026, Nashville-based Aircraft Structures Group (ASG) announced the completion of its 250th business jet repair. According to the company’s official press release, this milestone underscores the rapid growth of the FAA Part 145 certificated repair station since its founding in 2021.
We note that ASG has carved out a highly specialized niche within the aviation Maintenance, Repair, and Overhaul (MRO) sector. By focusing on mobile, rapid-response Aircraft on Ground (AOG) services, the company dispatches specialized teams directly to grounded aircraft worldwide, 24/7/365, bypassing the traditional need to ferry aircraft to fixed hangars.
The company, headquartered south of Nashville, Tennessee, specializes in aircraft fuel tank systems, fuel leak detection and repair, structural maintenance, corrosion and bacterial remediation. To meet surging demand, ASG noted in its release that it is actively recruiting new aircraft mechanics and expanding its visibility at industry events.
In the business aviation sector, an “Aircraft on Ground” (AOG) designation indicates that a plane is mechanically unsafe to fly. For corporate jet operators, AOG situations trigger cascading logistical disruptions, dissatisfied clients, and severe revenue losses. Traditional repairs often require a special ferry permit to fly the aircraft to a maintenance facility, adding days or weeks to the timeline.
ASG’s mobile MRO model addresses this financial pain point by bringing technicians, tools, and parts directly to the tarmac. Every minute saved translates directly to cost savings for the operator, making rapid-response teams highly lucrative and essential to the modern aviation ecosystem.
Fuel tank repair is widely considered one of the most difficult and hazardous tasks in aircraft maintenance. Technicians must enter confined integral fuel tanks that recently held explosive kerosene. This environment requires strict safety protocols, including defueling, venting dangerous vapors, testing for combustible gases, and wearing specialized respirators and non-static protective suits.
Precision is paramount in these environments. Leaks typically occur when sealant on tank seams loses its integrity. Technicians must meticulously remove old sealant without damaging the aluminum structure before applying new compounds. If not executed perfectly, the tank will re-leak once pressurized. To address this specific industry challenge, ASG operates on a “No Re-Leak Confidence” philosophy, backing all repairs with a comprehensive one-year warranty, leveraging a team with over 100 years of combined aviation maintenance experience. “Reaching 250 business jet repairs is more than just a number, it represents 250 times that an operator trusted us with their aircraft, and 250 times our team delivered… Each repair reflects our founding promise: get aircraft back in the air safely, on time, and with the lasting quality our customers deserve,” stated ASG CEO Bertrand Carret-Troncy in the company’s press release.
To understand the rapid scaling of ASG’s operations in less than five years, it is helpful to examine broader macroeconomic trends in business aviation. According to a February 2026 report by Mordor Intelligence, the global business jet MRO market is projected to experience steady growth, expanding from $30.12 billion in 2025 to $31.09 billion in 2026, and is expected to reach $36.39 billion by 2031.
A primary driver of this growth is the aging global fleet. Industry data indicates there are currently more than 8,000 business jets older than 15 years entering heavy-maintenance windows. As these aircraft age, fuel tank sealants naturally degrade, and airframes require more frequent structural inspections and corrosion treatments.
We observe that the current Supply-Chain environment is creating a significant boom for specialized maintenance crews. Original Equipment Manufacturers (OEMs) are currently facing 18- to 24-month backlogs for new aircraft. Consequently, operators are forced to extend the life cycles of their current fleets rather than replacing them.
This dynamic shifts the industry’s focus from acquisition to preservation. Companies like ASG, which provide the gritty, highly technical, and hazardous maintenance required to keep older planes in the sky, are becoming increasingly essential. The 250th repair milestone is not just a company achievement; it is a symptom of a broader industry reliance on specialized MRO providers to bridge the gap caused by new aircraft shortages.
AOG stands for “Aircraft on Ground.” It is a term used in aviation to describe an aircraft that has a mechanical issue preventing it from flying safely. AOG situations require immediate maintenance attention to minimize downtime and financial loss.
Fuel tank repair requires technicians to work in confined spaces that contain hazardous, explosive vapors. It demands strict safety protocols, specialized protective gear, and meticulous precision to remove and reapply sealants without damaging the aircraft’s structural integrity.
The Critical Role of Mobile AOG Services
Specialized Fuel Tank Maintenance
Industry Tailwinds Driving MRO Demand
AirPro News analysis
Frequently Asked Questions
What is an AOG situation?
Why is fuel tank repair so specialized?
Photo Credit: Aircraft Structures Group
MRO & Manufacturing
Lufthansa Technik Completes First Boeing 787 Cabin Modification in Malta
Lufthansa Technik Malta finishes its first Boeing 787 cabin modification and plans six more this year with a new hangar opening in 2026.
This article is based on an official press release from Lufthansa Technik.
Lufthansa Technik has successfully completed its first Boeing 787 Dreamliner cabin modification. According to an official press release from the company, the milestone was achieved at its European Center of Excellence for widebody Base Maintenance Services, located in Malta. This development marks a significant step forward for the facility’s expanding portfolio of widebody aircraft services.
The comprehensive overhaul involved the complete removal of the aircraft’s existing interior and the installation of a new seating configuration. Additionally, the project included a full upgrade of cabin monuments, which the company states is designed to enhance passenger comfort and overall operational efficiency.
This achievement builds upon a foundational agreement established in 2024, when Boeing and Lufthansa Technik announced that the maintenance provider would become the first Boeing Licensed Service Center (BLSC) specifically designated for 787 Dreamliner cabin modifications. We note that this designation was intended to bring additional choice and capacity to the global aviation maintenance market.
Executing this initial Boeing 787 cabin modification required overcoming significant technical and logistical hurdles. The company noted in its release that the project featured substantial complexity, including the necessary conversion of a maintenance bay in Malta to accommodate the increased space requirements of the Dreamliner.
Furthermore, the logistical efforts were extensive, driven by the complete replacement of the existing cabin architecture with a newly designed interior. Despite these challenges, the facility is preparing for a busy schedule ahead. According to Lufthansa Technik, a further six cabin modifications of this specific type are scheduled to be completed at the Malta facility by the end of the year.
“Completing our first Boeing 787 cabin modification is a proud moment for the entire team. A big thank you to the Lufthansa Technik team, who made the installation seamless,” said Marcus Motschenbacher, Vice President and Chief Operations Officer Aircraft Maintenance Services at Lufthansa Technik.
To support the growing demand for widebody maintenance and specifically the Boeing 787 program, Lufthansa Technik MRO is actively expanding its physical footprint and operational capacities. The company announced that by the end of 2026, a new 6,400-square-meter hangar will be operational.
This modern addition will be attached to the existing infrastructure and is specifically designed to carry out Base Maintenance Services, with a primary focus on 787 Dreamliner cabin modifications. The new building will provide dedicated space for one widebody aircraft, while also establishing three new parking spots for narrowbody aircraft. Once the new hangar is completed, Lufthansa Technik Malta will operate a total of four hangars. The company highlighted that this expanded footprint will make the facility capable of carrying out maintenance, repair, and overhaul (MRO) services on nearly all commercial Airbus aircraft, with the exception of the A380, as well as the Boeing 787 Dreamliner.
We view Lufthansa Technik’s successful completion of its first Boeing 787 cabin modification as a critical validation of its 2024 agreement with Boeing. By proving its capability to execute highly complex, full-cabin replacements on the Dreamliner, the Malta facility solidifies its position as a premier European hub for widebody maintenance.
The planned addition of a 6,400-square-meter hangar by the end of 2026 further underscores the anticipated long-term demand for 787 aftermarket services. As Airlines increasingly look to refresh aging Dreamliner interiors rather than solely purchasing new airframes, licensed service centers with proven logistical and technical expertise will likely see sustained growth in their MRO pipelines.
According to Lufthansa Technik, the modification included the removal of the existing cabin, the installation of a new seating configuration, and a full upgrade of cabin monuments to improve passenger experience and efficiency.
The company stated that six additional Boeing 787 cabin modifications are scheduled to be completed at the Malta facility by the end of the year.
Lufthansa Technik expects the new 6,400-square-meter hangar, which will accommodate one widebody and three narrowbody aircraft, to be operational by the end of 2026.
Sources: Lufthansa Technik
Technical Complexity and Future Operations
Facility Expansion in Malta
AirPro News analysis
Frequently Asked Questions
What did the Boeing 787 cabin modification entail?
How many more 787 modifications are planned in Malta this year?
When will the new hangar in Malta be completed?
Photo Credit: Lufthansa Technik
MRO & Manufacturing
Daher’s Log’in Accelerator Advances Logistics Tech Deployment
Daher’s Log’in accelerator deploys logistics innovations at scale, focusing on automation, VR training, and AI-driven digital twins in France.
This article is based on an official press release from Daher.
On March 31, 2026, Daher, a prominent European aerospace logistics and industrial services provider, announced new milestones for its innovation accelerator, Log’in by Daher. According to the company’s official press release, the initiative is designed to address a critical bottleneck in the modern Supply-Chain: the rapid transformation of experimental logistics technologies into tangible, large-scale operational deployments.
The logistics sector is currently navigating a profound transformation, driven by urgent mandates for Automation, digitalization, Decarbonization, and a severe shortage of skilled labor. In response to these industry-wide pressures, Daher has positioned its Log’in center not merely as a traditional research and development laboratory, but as a practical proving ground. The facility leverages real industrial environments to test and validate high-value logistics solutions before they are rolled out across the broader supply chain.
According to the operational updates provided by Daher, the accelerator boasts a remarkably high conversion rate. Each year, Log’in teams evaluate between 10 and 15 innovation topics. Of these experimental concepts, 5 to 8 solutions are successfully put into production or deployed at scale. This metric underscores the company’s commitment to moving beyond theoretical technology and implementing functional, repeatable logistics models.
“Log’in by Daher accelerates logistics innovation from solutions to full-scale deployment, acting as a results-driven integrator for the industry.” A persistent challenge in the industrial sector is “pilot purgatory,” a phase where promising technologies stall in the testing phase and fail to achieve enterprise-wide integration. Daher’s press release highlights that Log’in was specifically mandated to overcome this hurdle. One of the major deliverables highlighted in the recent announcement is the creation of a modular, replicable warehouse operating model. This framework optimizes warehouse layouts, internal flows, and operational organization, allowing Daher to standardize and repeat successful logistics models at scale. Furthermore, the company noted ongoing R&D projects, including a robotic “bin picking” cell, which showcases a heavy focus on advanced automation.
To achieve these deployment rates, the Log’in ecosystem operates across three distinct pillars, as detailed in the company’s operational breakdown:
Understanding the weight of the Log’in initiative requires looking at the organization behind it. Founded in 1863, Daher is a family-owned French industrial conglomerate that operates as an aircraft manufacturer (producing the TBM and Kodiak lines), an industrial service provider, and a logistician. According to 2024 corporate data referenced in the announcement, the company employs approximately 14,000 people, operates in 15 countries, and generates €1.8 billion in revenue.
The Log’in center itself was officially inaugurated in late 2022 in Cornebarrieu, near Toulouse, France. It was launched as a highly strategic project jointly financed by Daher, the French government, and the Occitanie region, explicitly designed to spearhead the “Industrial Logistics 4.0” movement.
At AirPro News, we view Daher’s Log’in accelerator as a necessary evolution in aerospace and industrial supply chains. Post-pandemic disruptions and ongoing geopolitical tensions have forced manufacturers to seek highly optimized, resilient logistics networks. Automation and digital twins are no longer optional upgrades; they are baseline requirements for survival in the modern aerospace sector. Furthermore, logistics remains a heavily carbon-emitting sector. By heavily vetting innovations for their ability to support the environmental transition, such as decarbonized transport and low-impact warehousing, Daher is aligning its operational upgrades with looming European regulatory requirements. The accelerator’s approach to the human element is equally vital. By utilizing VR to gamify and modernize training, Daher is directly addressing the labor shortages that threaten to bottleneck supply chain efficiency, proving that technological integration must go hand-in-hand with workforce development.
What is Log’in by Daher? What is the success rate of the Log’in accelerator? How is Daher addressing logistics labor shortages? Sources: Daher
Beyond the Pilot: Daher’s Log’in Accelerator Pushes Logistics Tech to the Warehouse Floor
— Based on the March 31, 2026, Daher press release
Bridging the Gap Between Innovation and Operations
The Three Pillars of the Log’in Ecosystem
Historical Context and Industry Impact
AirPro News analysis
Frequently Asked Questions
Log’in is an innovation accelerator created by Daher, designed to test, validate, and deploy advanced logistics technologies (such as AI, robotics, and digital twins) into real-world industrial environments.
According to Daher, the Log’in teams evaluate 10 to 15 innovation topics annually, successfully deploying 5 to 8 of these solutions into full-scale production each year.
Through the Log’in center, Daher has partnered with tech firms to create immersive Virtual Reality (VR) training programs. By modeling massive warehouse environments in VR, they aim to attract younger generations to logistics careers through safe, interactive learning.
Photo Credit: Daher
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