A book of First Class stamps
order fioricet online Nadine Sarter, a University of Michigan professor and human factors expert, testified that ???mode error??? is one of the most common errors associated with automated flight systems. She described it as resulting from ???mode awareness, being that you are aware of the current and future state of the automation and if you are not, that might lead to an error that is appropriate for the assumed but not the actual state of the??automation.???