an established level or criteria value outside of the normal operating range or out-of-control region that triggers a warning that an adjustment or evaluation is needed
Это интересно
Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennundusohutus
A corresponding alert level is identified for each safety performance indicator, quantifying the unacceptable performance threshold (abnormal occurrence rate) during a specified monitoring period.
