7
Worker
Simultaneous
failure/absence of risk
controls could cause a
"catastrophic event"
Failure/absence
of risk controls
Training material not current
Fatigue
Shortage of key skillset
Examples that could
lead to increased risk
Design issues
LATENT FAILURE
LATENT FAILURE
LATENT FAILURE
Unsafe act
ACTIVE FAILURE
LATENT FAILURE
Accident Causation
