OSO 23 – Environmental conditions

AMC1 Article 11 Annex E. Operational Safety Objective 23

CAA ORS9 Decision No. 46

OSO 23 – Environmental conditions for safe operations defined, measurable and adhered to

Level of integrity

Criterion	Low (SAIL 1, 2)	Medium (SAIL 3, 4)	High (SAIL 5, 6)
Criterion	OSO23.L.I	OSO23.L.I	OSO23.L.I

Level of assurance

Criterion	Low (SAIL 1, 2)	Medium (SAIL 3, 4)	High (SAIL 5, 6)
Criterion	OSO23.L.A	OSO23.M.A	OSO23.H.A

Low level of robustness (SAIL 1 and 2)

OSO23.L.I

(a) Environmental condition for safe operations must be defined and reflected in the flight manual or equivalent document.

(b) The defined environmental conditions must include those provided by the UAS Designer, if available.

OSO23.L.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.

Medium level of robustness (SAIL 3 and 4)

Lower robustness level requirements to be complied with:

• OSO23.L.I

Additional requirements to be compiled with:

OSO23.M.I

No additional requirements.

OSO23.M.A

The Applicant must provide evidence of compliance with the Integrity requirements, which will be assessed by the CAA.

High level of robustness (SAIL 5 and 6)

Lower robustness level requirements to be complied with:

• OSO23.L.I

Additional requirements to be compiled with:

OSO23.H.I

No additional requirements.

OSO23.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.

 

GM1 Article 11 Annex E. Operational Safety Objective 23

CAA ORS9 Decision No. 46

GM.OSO23

Environmental conditions include meteorological conditions such as wind, rain, and icing, as well as external factors that may interfere with the performance of systems such as High-Intensity Radiated Field (HIRF).