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Reliability – Aviation

Reliability (Aviation) – Reliability  in aviation is a broad term and is an expression of dependability and the probability that an item—including an aircraft, engine, propeller, or component—will perform the required function under specified conditions without failure for a specified period of time.

Testing for effectiveness of an Airline Reliability Program consists of collecting and analyzing operational performance data such as:

  • Maintenance-related delays and cancellations;
  • Failure rates of parts and components after they are approved for return to service;
  • Discrepancy rates of aircraft after heavy maintenance; and
  • Related trend analysis.

Source: FAA AC 120-79

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