Reliability evaluation techniques in the air operator

Reliability is a very broad term that focuses on the ability of a product to perform its intended function. Mathematically speaking, reliability can be defined as the probability that an item will perform its intended function without failure for a specified period of time under stated conditions. The main goal in almost all daily activities is safety. Many kinds of researches and development try to find out how to produce things easily with appropriate amount of safety especially in aircraft operation.