RAMS Academy
FDAL IDAL Allocation

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 …

FDAL IDAL Allocation

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.

FDAL IDAL Allocation

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.

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