ics. Training and refresher courses are more than simply paid time off. When qualified individuals such as current or former employees of the airframe or engine manufacturers train mechanics, they gain specific knowledge that represents the accumulated knowledge of the manufacturer - not simply the opinion of a co-worker or a supervisor.
Another reason to require periodic off-site training for aviation mechanics involves the fact that they need to know about the latest changes in equipment before it becomes operational. The work performed by aviation mechanics is too important to be taught by trial and error also known as on
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