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Purpose. To provide a development framework as consistent and complete as possible:Contributing to the definition of an A/C Model Based System Engineering Dealing with certification requirements Integrating tightly development and safety assessment activities Consistent with the ARP 4754 standar
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3. Requirement & Design Engineering Statements
4. Epistemic statements
5. Deontic statements
6. Design choice statements
7. Property Based Requirement A PBR is a constraint on a property of an object [kind] that shall be held [when a condition is met].
8. Example 1 : Specific Certification Requirement 1303.b
10. Requirement & DesignProcess Framework
14. DAL Requirement Derivation Requirement derivation is a substitution that replaces a level-n requirement by the conjunction of level-n+1 requirements under the assumption that design choices will be actually implemented.
Example