US Patent 8019504 Aircraft maintenance analysis tool

A method is provided for identifying events that impact aircraft availability. Operational data, maintenance data, supply data, and provisioning data are collected for a plurality of aircraft from a plurality of sources to form collected data. The collected data is processed to form processed data containing a plurality of events, wherein the processed data is in a form needed to perform an analysis on the aircraft availability for the plurality of aircraft. A set of metrics relating to the aircraft availability for the plurality of aircraft is calculated from the processed data to form a set of calculated metrics. A set of trends relating to the set of calculated metrics affecting availability of the plurality of aircraft is identified.