CONTEXT
Glen,
The manufacturer makes then TESTS the machine.However the experience of using the machine on a daily basis in real time in the real world is conducted by the OPERATORS.Operators dont have time to down tools and have a nice, drawn out discussion on many issues and have to REACT to issues in real time.Of course later this can happen, but , for example, can you give me a name of a BOEING/AIRBUS test pilot with say 12-15000 hours of actual in-service experience on a specific type? These kind of people only exist within the operators.They typically start off using the makers guidance then refine refine refine this guidance based upon real world experience.Peter.