.

In this way, what is on condition maintenance?

"On-condition" maintenance means an inspection/functional check that determines an item's performance and may result in the removal of an item before it fails in service. It is not a philosophy of fit until failure or fit and forget.

Also, what is depth maintenance? Base or Heavy Maintenance Base Maintenance may be referred to as Heavy (or Depth) Maintenance, and consists of tasks that are generally more in-depth and long-lasting than those above, but are performed less frequently.

Similarly one may ask, what is hard time components?

A hard time component is a component that requires a specific action at a specific interval (overhaul, refurbishment, bench check, etc.) per the manufacturers recommendations.

What is the difference between line maintenance and base maintenance?

Whereas base maintenance includes activities which require the aircraft to be taken out of service for longer periods and which require special equipment only available in a hangar, line maintenance activities are mostly carried out during normal turnaround periods where the aircraft is on the ground.