Aeronautical Terms beginning with U

Unacceptable Risk

The risk that cannot be tolerated by the managing activity. It is a subset of identified risk that must be eliminated or controlled.


Undesirable Risk

A tolerable risk that must be prepared for and mitigated as best as possible.


Unidentified Risk

Risk not yet identified. Some unidentified risks are subsequently identified when a mishap occurs. Some risk is never known.



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