DO-331 – Model-Based Development and Verification Supplement to DO-178C Essentials Training by Tonex

This comprehensive course delivers an in-depth understanding of the DO-331 supplement to DO-178C, focusing on model-based development and verification practices within the aerospace and safety-critical software domains. Participants gain clarity on how modeling techniques can support and enhance DO-178C objectives without compromising compliance. A key benefit of this training is its coverage of cybersecurity implications in model-based design—specifically how secure modeling workflows reduce vulnerabilities in airborne software systems. By integrating model-level threat assessments and verification, the course empowers engineers to build systems with stronger cyber-resilience and traceability from requirements to code.
Audience:
- Software Engineers in Aerospace
- Avionics System Developers
- Cybersecurity Professionals
- Certification and Compliance Engineers
- Quality Assurance Specialists
- Project Managers in Safety-Critical Projects
Learning Objectives:
- Understand the structure and purpose of DO-331
- Identify the key enhancements DO-331 offers to DO-178C
- Apply model-based development strategies in avionics projects
- Analyze verification approaches for model artifacts
- Recognize cybersecurity impacts of modeling practices
- Align modeling activities with certification requirements
Course Modules:
Module 1: DO-331 Overview
- Purpose of DO-331 supplement
- Relationship with DO-178C core
- Regulatory context and stakeholders
- Scope and limitations of DO-331
- Applicability to avionics projects
- Overview of cybersecurity touchpoints
Module 2: Modeling in Development
- Role of models in software lifecycle
- Model-based design principles
- Abstraction levels in modeling
- Modeling tools and standards
- Requirements traceability through models
- Secure model development practices
Module 3: Verification of Models
- Verification objectives per DO-331
- Model simulation vs. formal review
- Test case generation from models
- Error detection strategies in models
- Coverage criteria and metrics
- Cyber-risk mitigation in model testing
Module 4: Integration with DO-178C
- Mapping models to DO-178C processes
- Transition from models to source code
- Integration with tool qualification (DO-330)
- Handling derived requirements
- Configuration management of models
- Security considerations in integration
Module 5: Certification Approach
- Certification credits via modeling
- Planning documents and deliverables
- Role of authorities and DERs
- Compliance data for model usage
- Risk-based approach to certification
- Protecting model artifacts from tampering
Module 6: Case Analysis & Best Practices
- Practical examples in avionics systems
- Review of successful certification cases
- Lessons learned in model-based projects
- Pitfalls and how to avoid them
- Establishing a secure development culture
- Best practices for model integrity and validation
Enroll now in Tonex’s DO-331 Essentials Training and elevate your expertise in model-based development aligned with DO-178C. Gain the skills to streamline certification, improve system security, and build next-generation avionics software with confidence.