Operation under stress

Operating under stress

If the operator operate under stress, they might be subject to the tunnel vision effect. This means that they might assume certain conditions, and disregard indications of the actual conditions.

When under threat, the situation is emergency , and the operators are liable to operate under stress.

Under stress, operators are likely to act according to their habits, which are suited to normal conditions, and not for the emergency situation ( Irony of automation).

The best behavior

A system behavior predicted as optimal during the system design, for a particular scenario.

Automation under stress

When the best behavior to different from that of normal manual operation, then under stress

The default control should be automatic, and
The default behavior should be the optimum predicted.

Examples

AF 447 (Wiki )
Asiana 214 (Wiki )