Cross-National Statistical Analysis of Multi-Rotor Unmanned Aircraft Accidents: Causal Factors, Flight Phases, and Temporal Trends (2016–2022)
Multi-rotor unmanned aircraft systems (UAS) are now pervasive, yet quantitative evidence on how and why they fail remains fragmented across heterogeneous national reporting systems. This study analyses 319 multi-rotor UAS occurrences (2016–2022) coded from three official sources: the U.S. SAFECOM system (122), the Aust...