Improbable
Improbable
An occurrence of failure at a frequency less than or equal to 10– 7 per operating hour.
Commission Implementing Regulation (EU) 2015/1136 of 13 July 2015
Commission Implementing Regulation (EU) No 402/2013 of 30 April 2013 on the common safety method for risk evaluation and assessment and repealing Regulation (EC) No 352/2009