STC Development for Major and Minor Modification Programs.

Over 35 years of experience developing FAA and EASA,
STC programs for major airlines and OEMs worldwide.

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Damage Tolerance and Fatigue Analysis

Damage Tolerance and Fatigue Analysis is the study and prediction of when materials will mechanically fail due to crack propagation and growth caused by life cycle stress and strain.  Since 1971 SIE has been at the forefront of this science. SIE has been teaching Structural Integrity and DTA to the FAA, USAF and various other government and commercial institutions. 

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