state of an item of being unable to perform its required function [IEC Multilingual Dictionary:2001 edition]


  • NOTE 1 Causes of outages can be failures, upsets or planned and unplanned events.
  • NOTE 2 The failures can be due to cataleptic intrinsic events or external events.
Glossary app image

ECSS Glossary mobile applications

ECSS Glossary mobile apps available from iOS and Android store and ECSS Glossary Plugin for MS Word available from Microsoft Appstore
Search the online Glossary