F/IDAL allocation according to ARP4754A
- Safety Assessment according to ARP4754
The basics of the Safety aspects related to standard ARP4754, used by a company to show compliance with certification requirements and in meeting its own internal safety standards.
- Development Assurance Level Assignment
The assignment process for the Development Assurance Level of an aircraft/system function or item depends on the severity classification of Failure Conditions considering the possible independence between development processes that can …
- Independence Attributes
Independence attributes allow the safety engineer to have sufficient confidence that the likelihood of a common mode Error is minimized between two or more members in proportion to the severity of the Failure Condition Classification. Two types of …
Safety assessment process for Airborne Systems Certification
- Aircraft Level Safety Assessment
The concept of Aircraft Level Safety Assessment is introduced and the tools to accomplish this task are outlined.
- Safety Assessment Guidelines
A set of guidelines is provided for conducting an industry accepted safety assessment consisting of Functional Hazard Assessment (FHA), Preliminary System Safety…
- Safety Analysis Methods
he safety analysis methods needed to conduct the safety assessment are also introduced, including the Fault Tree Analysis (FTA), Dependence Diagram (DD)…
- Methods in context
The relationships between all the analytical methods are explained and exemplified, considering their adequacy for different systems, environments and work approach.
Cybersecurity in Aerospace. SRA, verification & continued airworthiness
- Security Scope Definition (SSD)
Definition of the assets of the system, the security perimeter and the security environment.
- Security Risk Assessment
Based on the security scope and the Failure Conditions from a Functional Hazard Assessment (FHA).
- Security Verification
Airworthiness Security is verified based on the following tests: Security Requirements Tests, Security Robustness Tests, and Vulnerability Tests.
- Continued Airworthiness
During the continued airworthiness of the aircraft, consider security industry standards, perform a Change Impact Analysis and vary the effort depending on rework size.