Thermal Imaging Inspection
Non-Destructive Testing method involving Thermal Imaging techniques.
Threat and Error Management
The actions taken by the flight crew to reduce threats or manage errors.
Threats – factors that increase the likelihood of an error being committed – these may be environmental, pilot related and/or flight crew related.
Errors – deviations from the right course or standard; irregularity; mistake; inaccuracy; something made wrong or left wrong. Errors on the flight deck are normally related to communication, procedures, flight crew member proficiency, and/or decision making.

Time Since Installation (TSI)
Time accumulated since a given item was last installed.
Time Since New (TSN)
The operating time an item has accumulated since new.

Time Since Overhaul (TSO)
The time accumulated since a given item was last overhauled. Tooling and Calibration System
A system that records the holding and Calibration Details of calibration Tooling and Equipment used during aircraft, aircraft engine and aircraft component maintenance.