We’ve always had stall/spin accidents. Today, refinements in data collection and analysis, plus improved aviation-accident taxonomy, have led the industry to adopt the loss of control in-flight, or LOC-I, nomenclature. Whatever its name, ICAO’s Common Taxonomy Team calls it “…an extreme manifestation of a deviation from intended flight path.” It leads the statistics for business, instructional and personal flying as the single most-prevalent cause of general aviation accidents.
The NTSB took a more narrow approach to defining LOC-I at its Loss of Control Safety Seminar on May 14, 2016. They put it this way: An LOC-I accident occurs when:
