Definition
A formal component of a Safety Management System (SMS) that monitors and measures the performance of safety controls already in place to confirm they are working as intended, and to detect new or changing hazards before they cause an incident or accident.
Plain English
It is the part of an organization's safety program that keeps checking whether the safety measures already in place are actually doing their job, and that watches for any new risks showing up.
Context Anchor
Seen in safety management discussions, operator manuals, airport safety programs, and FAA material about how aviation organizations manage risk.
Derivation
From 'assure,' meaning to make certain. Safety Assurance is the function that makes certain — through ongoing checks and data — that safety is actually being achieved, not just planned for.
Why Pilots Care
It turns written safety policies into measurable, ongoing protection against accidents rather than assumptions that everything is fine.
Intuition Check
Safety Assurance does not mean a guarantee that nothing can go wrong. It means an ongoing process for checking safety performance and correcting weaknesses.
Example Sentence 1
The chief pilot reviewed the Safety Assurance data and noticed an increase in unstabilized approaches during night operations.
Example Sentence 2
The operator uses Safety Assurance audits to verify that new maintenance procedures have reduced the number of discrepancies.