Sousa... .. .Have to question your pilot / awareness quote....Surely there comes a time when a pilot has to put his faith in the staff that support the on-going operation.. .. .Every input to an aircraft operation is vital....that's why so many checks + balances are in place...... .. .That poor engineer....he's learnt by experience the hard way....Let's hope the whole of the industry can learn from such a mistake....Horrifying.