Aerospace programs operate under serious pressure and requirements. Aerospace and defense manufacturers must manage complex products with strict regulatory requirements, while ensuring quality and balancing demanding cost targets. Additionally, aircraft and aerospace systems are becoming more software-driven than ever before, which adds to the complexities and pressures of systems with mechanical and electrical components. These pressures make schedule performance difficult to maintain. Slow backlog conversion, supply chain disruptions, aging technology, and disconnected engineering systems can all contribute to delays. Complex hardware and software development challenges alone can extend development timelines by approximately 15%. Â
Missed deadlines are often blamed on supplier issues, engineering changes, failed tests, or production bottlenecks. In reality, delays usually build across the entire program. Requirements, designs, software, testing, manufacturing data, and supplier information are frequently managed in separate systems, making it difficult for teams to identify risks and respond to changes early. These are all outcomes that aerospace companies are trying to avoid.
Where Aerospace Program Delays Come From
Let’s talk about a few main causes of delays for aerospace manufacturers. This list is not exhaustive, but it is a starting point for understanding issues seen by our team over the past few decades.
Complex Hardware and Software Development
Modern aerospace products combine mechanical structures, electronics, embedded software, controls, connectivity, and increasingly autonomous capabilities. Each engineering discipline may use different development tools, testing methods, data structures, and approval processes.
As products become more software-heavy and customized, coordinating these disciplines becomes harder. A change to a system requirement can affect mechanical design, electrical architecture, embedded software, testing, certification documentation, and supplier deliverables.
When teams cannot see these dependencies, they may not fully understand the impact of a change until late in development. This leads to additional reviews, repeated testing, documentation updates, and schedule delays.
Lack of Synchronization Across Teams
Aerospace development requires close coordination between systems engineering, mechanical design, software, manufacturing, and suppliers. However, these groups often work on separate platforms and maintain different versions of program information. A design team may update a CAD model without immediately communicating the change to simulation, manufacturing, or software teams. Thermal and structural engineers may analyze different product versions. Suppliers may receive files through email or shared folders without knowing whether they have the latest approved revision.
These synchronization gaps create confusion, slow decision-making, and increase the risk that teams will complete work using outdated information. The same issue affects planning. When these teams are not synchronized, procurement may order obsolete parts, manufacturing may plan around an outdated bill of materials, or production teams may discover assembly problems after tooling has already been created.
Engineering Rework Caused by Late Validation
Engineering risks become more expensive to resolve as an aerospace program progresses. A problem identified during early design may require a relatively simple model adjustment. The same issue discovered during physical testing, production, certification, or field operation can require new tooling, repeated testing, supplier changes, and extensive documentation updates.
Late validation can contribute to:
- Design revisions
- Repeated simulation and testing
- Parts nonconformance
- Scrap and rework
- Production delays
- Field recalls
- Unscheduled shop visits
When teams cannot digitally model, simulate, and validate performance early, technical risks remain hidden until prototypes or production units are available. Advanced simulation and design optimization allow engineers to evaluate more alternatives before committing to physical prototypes. Teams can test structural, thermal, aerodynamic, and performance characteristics earlier, reducing the likelihood of expensive downstream changes.
Limited Reuse Across Programs
Aerospace organizations often develop similar components, subsystems, requirements, test procedures, and software functions across multiple programs. However, disconnected systems make it difficult to find and reuse approved assets. Engineers may recreate components because they cannot determine whether a validated design already exists. Teams may rewrite requirements, duplicate software functions, or build new test cases for problems that another program has already solved.
Modular platform design and product line engineering can reduce this duplication. Instead of rebuilding every aircraft or system from the ground up, teams can reuse approved components, requirements, product structures, and test assets across product families. Reuse shortens development cycles, improves consistency, and reduces the amount of new engineering work required for each program.
Supplier and Supply Chain Delays
Aerospace programs depend on complex supplier networks. A single product may include thousands of components produced across multiple regions, companies, and tiers of the supply chain. Delays occur when engineering teams have limited visibility into supplier progress, part lead times, design changes, or manufacturing readiness. File-based collaboration makes this worse because suppliers may receive large CAD files through email, shared drives, or disconnected portals.
Without controlled access to current information, suppliers may manufacture from outdated designs or lose time waiting for clarification and approval. These delays can create bottlenecks around part availability, quality documentation, engineering changes, and nonconformance resolution.
The Root Cause: Disconnected Systems
The common thread behind many aerospace delays is disconnected product information.
CAD, PLM, ALM, and DevOps are distinct from one another. Each system manages an important part of the development lifecycle, but no individual platform contains the full program context. CAD manages product geometry and engineering models. PLM manages parts, bills of materials, configurations, changes, and product documentation. ALM manages software requirements, risks, tests, defects, and releases. DevOps platforms manage code, pipelines, security, and software delivery.
When these platforms operate independently, teams must connect information manually through spreadsheets, meetings, documents, exports, and email. As a result, there is no reliable single source of truth. An engineer may not know which requirement drove a design decision. A quality team may struggle to determine whether a test result applies to the latest configuration. Manufacturing may not know whether a mechanical or software change affects production. Program leaders may lack an accurate view of overall readiness.
Missing Traceability Across the Lifecycle
Aerospace organizations must demonstrate that products meet technical, safety, quality, and regulatory requirements. This requires traceability from requirements through design, validation, production, and service. In disconnected environments, teams often maintain this traceability manually. Employees spend significant time gathering evidence to prove that requirements were approved, risks were addressed, tests were completed, defects were resolved, and production used the correct configuration. Manual traceability adds administrative work and creates opportunities for missing or inconsistent information. It can also slow down design reviews, audits, supplier approvals, and certification activities.
A connected digital thread replaces much of this manual effort with relationships between requirements, designs, parts, software, tests, changes, and production records.
How a Connected PTC Digital Thread Helps
PTC provides technologies that support the various parts of aerospace product development while contributing to a broader digital thread. Creo, Windchill, and Codebeamer help organizations connect mechanical design, product data, software development, requirements, testing, and change processes.
Creo for Earlier Design Validation
Creo supports parametric modeling, advanced simulation, generative design, and design optimization. These features allow engineers to explore design alternatives and evaluate structural, thermal, and performance risks before committing to physical prototypes or tooling. Teams use this to identify problems earlier, when they are less expensive and less disruptive to fix.
Creo also supports model-based definition, enabling teams to include product manufacturing information directly within the 3D model. This improves communication between engineering, manufacturing, quality, and suppliers while reducing dependence on separate drawings.
Windchill for Product Data and Configuration Management
Windchill provides a central environment for managing CAD files, parts, bills of materials, configurations, documents, and engineering changes. Instead of distributing files through email or shared drives, teams can work from controlled product information with revision and access management. Windchill helps ensure that engineering, manufacturing, quality, and supplier teams are using approved information. It also supports complex product configurations, EBOM and MBOM management, supplier collaboration, part reuse, change control, and manufacturing planning.
Codebeamer for Requirements and Testing
Codebeamer supports requirements, risk, test, defect, and application lifecycle management for complex and regulated product development. Aerospace teams can connect system and software requirements with risks, test cases, defects, and validation results. When a requirement changes, teams can more quickly identify the affected tests, development tasks, and downstream activities. Codebeamer also supports product line engineering, helping organizations reuse shared requirements and tests while managing the variations between product configurations.
Connecting Hardware and Software Development
The greatest value comes from connecting these platforms.
Requirements and tests managed in Codebeamer can be linked to product and engineering information in Windchill. Creo models can be controlled through Windchill and connected to product structures, engineering changes, and manufacturing data.
This creates traceability across the lifecycle:
Requirements → Risks → Designs → Parts → Software → Tests → Changes → Production
A connected digital thread gives teams better visibility into dependencies and change impacts. Instead of discovering downstream problems through meetings or manual reviews, teams can identify affected information earlier and take action before delays spread across the program.
Supporting Quality, Compliance, and Cybersecurity
Aerospace manufacturers face growing regulatory scrutiny as products become more connected, software-intensive, and digitally controlled. OEMs and suppliers must maintain strong oversight of requirements, risks, approvals, test evidence, and product configurations.
Connected lifecycle platforms make this information easier to manage and retrieve. Version history, workflows, traceability, and controlled access can reduce documentation effort and support more efficient audits.
Modern platforms can also reduce cybersecurity risk compared with unsupported legacy systems. Organizations can apply more consistent access controls, protect sensitive engineering information, and maintain auditable records of changes and approvals.
Addressing Talent and Knowledge Transfer
In addition to supporting quality and compliance, the aerospace industry is also managing a retiring workforce and growing demand for digital engineering skills. When knowledge is stored in personal files, spreadsheets, or undocumented processes, organizations risk losing critical design context as experienced employees leave.
A connected engineering environment preserves more of that knowledge within requirements, models, change records, product structures, and test results. New employees can more easily understand what decisions were made, why they were made, and how program information is connected. Standardized platforms also make training easier and support collaboration between distributed teams.
SPK and PTC
Technology alone does not create a digital thread. Organizations must also connect their processes, data, teams, integrations, and governance practices. SPK and Associates helps aerospace and defense organizations implement and optimize PTC technologies, including Creo, Windchill, and Codebeamer. SPK supports system assessments, implementations, upgrades, integrations, data migrations, cloud environments, training, and managed services.
The goal is not simply to add more tools, but to create a connected engineering environment that improves traceability, reduces manual work, and helps teams respond to risks and changes before they impact the program schedule.
Stop Missing Program Deadlines
Aerospace programs rarely miss deadlines because of one isolated problem. Delays build through disconnected engineering systems, late validation, supplier bottlenecks, and poor synchronization between hardware, software, manufacturing, and quality teams. Connecting Creo, Windchill, Codebeamer, and other enterprise platforms creates a digital thread across requirements, designs, parts, software, testing, changes, and production. With better visibility, earlier validation, stronger reuse, and more controlled collaboration, aerospace organizations can move from reacting to program delays to preventing them. If you are ready to stop missing deadlines, contact our team today.
