Rule 1. You must have a rising standard of quality over time, and well beyond what is required by any minimum standard.
Rule 2. People running complex systems should be highly capable.
Rule 3. Supervisors have to face bad news when it comes, and take problems to a level high enough to fix those problems.
Rule 4. You must have a healthy respect for the dangers and risks of your particular job.
Rule 5. Training must be constant and rigorous.
Rule 6. All the functions of repair, quality control, and technical support must fit together.
Rule 7. The organization and members thereof must have the ability and willingness to learn from mistakes of the past.