Document Type

Article

Publication Date

2009

City

Dayton

Abstract

The use of unmanned aerial systems (UASs) is expanding rapidly. In military operations, this increased use has been accompanied by relatively high mishap rates compared with rates across more mature manned aircraft. These higher rates led to multiple high-level reviews of unmanned operations, but surprisingly little consensus emerged across reports regarding root causes. To help close this gap, Air Force Predator Class A mishap reports through FY 2008 were analyzed in detail. Mishap rates, counts, and causal factors appeared to shift systematically over time, with an increase in mishap reports citing shortfalls in several skill and knowledge areas in FY 2004-2006. Individual and team Predator training objectives were revisited at the end of 2006 and the content of crew resource management (CRM) training was refocused on improving these key operator skills. In FY 2007-2008, Predator Class A mishap attributed to operator error decreased despite increasing numbers of mishaps overall.


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