Aviation glossary · Limits and countersHard time
HT
A maintenance policy where a component is removed at a fixed interval regardless of its condition, and overhauled or discarded.
Why it matters
Hard-time items are the easiest to track and the easiest to forget, because nothing about the aircraft signals that one is approaching.
In AerSynx
Hard-time status is recalculated nightly and reports into the same deadline horizon as directives and programme tasks. Component Status →