In the last article, we discussed the purpose and value of Safety Performance Indicators (SPIs)   how they show whether safety controls are working as intended. Today, let’s take that one step further: how to build and calculate  SPIs that actually reflect your operation. Ten key indicators — monitoring what truly matters in aviation safety Choosing the Right Safety Performance Indicators There are many ways to structure SPIs, but I’ve always believed in starting with the bas

In aviation, hazard identification tells us what could go wrong. Safety assurance tells us whether our defenses are working. Safety assurance is the third pillar of the Safety Management System (SMS). It verifies that the organization’s safety processes are functioning as intended, not just on paper, but in daily operations. When done well, it turns safety management from reactive problem-solving into continuous improvement. The Safety Assurance pillar — verifying that your