Michiel Kalkman

Notes and observations

01 Jun 2019

Fault Event Model

Fault Event Model

Failure rate is 0.0009

Notes

Probabilities

Success Abort Failure
0.9700 0.0291 0.0009

Human Error Probability (HEP)

HEP Magnitude
Reference - Human limit (team) 0.00001 10^-5
Reference - Human limit (person) 0.00010 10^-4
Task - Routine, familiar 0.00040 10^-4
Task - Routine, instruction 0.00600 10^-3
Task - Routine with deviation 0.01600 10^-2
Task - Non-routine, instruction 0.03000 10^-2
Task - Emergency with plan 0.10000 10^-1
Task - Emergency no plan 0.30000 10^-1

HEP data sources:

Next time, we'll talk about "10 Reasons why gcc SHOULD be re-written in JavaScript - You won't believe #8!"