TS Newsletter Archive


August 2011

Test-cell correlation: identify and execute an appropriate maintenance.

A correct test-cell correlation is required to ensure standardization of all testing facilities that certify serviceable status of the same Type/Model/Series (TMS) turbofan, turboshaft and turbojet engines. Once this correlation is achieved, test-cell managers should maintain it in order to maintain robust data obtained from aircraft engines.

In this new TeraSigma newsletter, we’ll discuss about FAA AC43-207 section 403 recommendations with tips and procedures on how to maintain your test-cell correlation and what to do when modifications to it are required. As well, we’ll show how the 2-sample T-test is one of the easiest but powerful tools to detect any variation or confirm appropriate test-cell correlation after engine data acquisition is completed.

TeraSigma Consulting expertise covers test-cell correlation and other statistical tools to perform other aircraft engine test data analysis. Feel free to contact us at contact@terasigma.com for further information. We’ll be glad to collaborate with you.

We invite you to give us your comments and suggestion for any topic you want to see in our next issues on either our newsletter blog or by email.

Best Regards.

FAA Recommendations for Cell Correlation maintenance

Principles of the 2-Sample T-test

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