The study shall be directed to include all certified turbine engine experience in civil aircraft service covering the time period from January 1976 through December 1983.

Purpose: To gather and analyze service data on aircraft propulsion turbine engine rotating part non-containment failures on record, assess the resulting aircraft damage, and determine the rate of past occurrences based on these data.

In addition, to classify incidents by cause and consequence, to identify areas of greatest concern, and to recommend areas for greatest potential improvement.