DO-253D – LAAS MOPS Fundamentals Training by Tonex
This course provides an in-depth exploration of DO-253D, the Minimum Operational Performance Standards (MOPS) for Local Area Augmentation Systems (LAAS). Participants gain a solid understanding of LAAS architecture, signal integrity requirements, and the interface protocols critical to precision approach and landing operations. The course emphasizes the technical and regulatory aspects essential for compliance with DO-253D guidelines. As LAAS technology plays a vital role in aviation navigation systems, its cybersecurity implications are significant—especially in safeguarding signal reliability and ensuring system integrity from GPS spoofing and jamming threats. This training helps participants develop both technical knowledge and cybersecurity awareness to support aviation safety.
Audience:
- Avionics engineers
- Aerospace system designers
- Navigation system developers
- Certification and compliance managers
- Cybersecurity professionals
- Safety-critical system engineers
Learning Objectives:
- Understand the key components of DO-253D and its purpose
- Explain LAAS architecture and operational roles
- Identify LAAS-specific MOPS requirements and tolerances
- Analyze signal integrity and performance metrics
- Explore cybersecurity vulnerabilities in LAAS-based systems
- Apply DO-253D guidance to real-world aviation environments
Course Modules:
Module 1: Introduction to DO-253D
- Overview of DO-253D standards
- History and evolution of LAAS MOPS
- Importance in aviation safety
- Key stakeholders and governing bodies
- Terminology and document structure
- Regulatory framework and purpose
Module 2: LAAS Architecture Overview
- Ground-based augmentation components
- Reference receivers and processing
- Communication links to aircraft
- Role of VHF Data Broadcast (VDB)
- Integrity and continuity monitoring
- Integration with onboard avionics
Module 3: Signal Integrity Standards
- Protection levels and integrity metrics
- Hazardous misleading information (HMI)
- Alert limits and time-to-alert
- Error bounding and risk thresholds
- Ionospheric and tropospheric impacts
- Spoofing and jamming considerations
Module 4: Performance and Accuracy Metrics
- Accuracy requirements for CAT I/II/III
- Continuity and availability definitions
- System latency and update rates
- Positioning algorithms in LAAS
- Integrity testing procedures
- Evaluation of test scenarios
Module 5: DO-253D Interface Requirements
- Interface control documentation (ICD)
- Data formatting and protocols
- Communication timing parameters
- Compatibility with RTCA DO-178/DO-254
- Ground-to-air message structure
- Certification of interface compliance
Module 6: Cybersecurity in LAAS Systems
- Threat landscape in aviation navigation
- Signal spoofing and denial-of-service risks
- Role of encryption and authentication
- Cyber resilience in system design
- Vulnerability assessment techniques
- Compliance with emerging standards
Enroll in Tonex’s DO-253D – LAAS MOPS Fundamentals Training today to advance your expertise in aviation standards and cybersecurity integration. Build the skills to contribute confidently to the design, certification, and protection of mission-critical navigation systems.