OSO 19 – Safe recovery from Human Error
AMC1 Article 11 Annex E. Operational Safety Objective 19
CAA ORS9 Decision No. 46
OSO 19 – Safe recovery from Human Error
Level of integrity
| Criterion | Low (SAIL 3) | Medium (SAIL 4, 5) | High (SAIL 6) |
|---|---|---|---|
| Criterion | OSO19.L.I |
OSO19.M.I |
OSO19.M.I |
Level of assurance
| Criterion | Low (SAIL 3) | Medium (SAIL 4, 5) | High (SAIL 6) |
|---|---|---|---|
| Criterion | OSO19.L.A |
OSO19.M.A |
OSO19.H.A |
Low level of robustness (SAIL 3)
OSO19.L.I
The systems detecting and/or recovering from human errors must be developed to industry’s best practices.
OSO19.L.A
(a) The Applicant must declare and provide evidence of compliance with the Integrity requirements. The detailed evidence of compliance may be assessed by the CAA.
(b) If compliance evidence is provided through simulation, the validity of the target environment used in the simulation must be justified.
Medium level of robustness (SAIL 4 and 5)
Lower robustness level requirements to be complied with:
• OSO19.L.A
Additional requirements to be compiled with:
OSO19.M.I
The systems detecting and/or recovering from human errors must be developed to a standard or means of compliance acceptable to the CAA.
OSO19.M.A
(a) The Applicant must provide evidence of compliance with the Integrity requirements, which will be assessed by the CAA.
(b) Compliance evidence may include testing, analysis, simulation2 , inspection, design review or through operational experience.
High level of robustness (SAIL 6)
Lower robustness level requirements to be complied with:
• OSO19.L.A
• OSO19.M.I
Additional requirements to be compiled with:
OSO19.H.I
No additional requirements.
OSO19.H.A
The Applicant must provide evidence of compliance with the Integrity requirements, which will be assessed by the CAA. The CAA will validate continuing compliance through oversight.