US air force finds two causes in death of contractor who walked into propeller

Stephanie Cosme, 32, was killed last year when she inadvertently walked into the rotating propeller of an aircraft in California

A US air force civilian contractor had become disoriented recording data at an airport in California last year when she walked into a jet's rotating propeller and was killed, officials said Friday.

In a statement outlining the findings of a report into the contractor's death, the air force materiel command said that 32-year-old Stephanie Cosme was mortally injured on 7 September when she inadvertently walked into the rotating propeller of an MQ-9A that was parked at Gray Butte airfield.