Accelerating Avionics Software Validation for Business Aviation Programs

As modern aircraft increasingly rely on advanced embedded systems and software-driven flight controls, aerospace manufacturers face growing pressure to strengthen software verification while maintaining strict certification and safety requirements. To support next-generation business aviation platforms, T&S partnered with a major global aerospace manufacturer to enhance its avionics validation capabilities through dedicated testing environments and embedded software verification, improving validation reliability, industrial scalability and software quality across critical flight-control systems.

Client context

The client was developing advanced flight-control and embedded avionics systems for a new generation of business aviation platforms. In this highly regulated environment, software validation was a critical challenge requiring robust testing infrastructures, rigorous verification methodologies and full traceability, and the organisation needed a partner able to support both test-bench development and embedded software testing within an industrial aerospace framework.

Business challenges

• Develop reliable test environments for flight-control system validation
• Support software verification for real-time embedded systems
• Ensure traceability and compliance with aeronautical testing standards
• Improve the scalability and reproducibility of validation benches for industrial use
• Accelerate defect identification and validation cycles
• Maintain high software quality and operational reliability

The T&S solution

T&S deployed specialists in embedded software engineering, avionics validation and industrial testing systems across the project lifecycle. For test-bench development, the teams designed and implemented software components orchestrating communication across multiple hardware interfaces and testing instruments - including drivers, sequencing functions and HMI capabilities - ensuring reliable execution of validation scenarios, scalability across benches, adaptability and simplified maintenance, and supported the duplication and standardisation of testing environments used in production and validation. In parallel, T&S engineers conducted embedded software unit testing and verification of critical avionics functions: writing and maintaining test plans and validation scenarios, executing unit tests on desktop and real-time targets, analysing anomalies and root causes, supporting peer reviews, producing structured testing documentation and maintaining traceability. Delivery followed Agile methodologies.

Technologies & expertise

• IBM Rational Test RealTime
• CM Synergy
• Real-time embedded targets
• Industrial instrumentation interfaces
• Aerospace validation frameworks
• Agile

Results & business value

• More robust and scalable validation environments
• Improved consistency across industrial testing benches
• Enhanced software quality-assurance processes
• Faster detection and resolution of software non-conformities
• Better compliance with aerospace verification requirements
• Increased efficiency in embedded software validation workflows

Conclusion

As aerospace programs evolve toward increasingly software-centric architectures, robust validation and verification are essential to ensuring safety, reliability and certification readiness. By supporting both test-bench engineering and embedded software verification, T&S demonstrated its ability to deliver high-value aerospace engineering in demanding, highly regulated environments.