Aviation glossary · Parts, stock and tradingTime-controlled
Stock with a life of its own on the shelf — a cure date, a shelf life or a calibration due date — which expires whether or not the item is used.
Why it matters
Expiry happens in storage, silently. The first signal is usually a technician holding a part that cannot be fitted.
In AerSynx
Reservation, quotation and calibration expiries are checked daily, so an item going out of date is raised rather than discovered at the point of use. Tools →