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instantaneous availability

Standard

ECSS-Q-ST-30-09C - Availability analysis (31 July 2008)

Definition

probability that an item is in a state to perform a required function under given conditions at a given instant of time, taking into account the maintenance strategy (spares policy and related in logistic delays and constraints)

Notes

Relations

ECSS-M-ST-10C Rev. 1 — function
ECSS-S-ST-00-01C — function
ECSS-S-ST-00-01C — maintenance
ECSS-E-ST-40C — operational
ECSS-Q-ST-80C Rev.1 — operational
ECSS-Q-ST-30-09C — steady-state availability (asymptotic availability)

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