Mean time between failures
Mean time between failures 5-1-040
The total measured operating time of a population of repairable equipments divided by the total number of failures within this population. MTBF is generally determined during the constant-failure-rate period.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
Mean Time Between Failures
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM