[Code of Federal Regulations] [Title 14, Volume 1] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR33.62] [Page 769] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 33--AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES--Table of Contents Subpart E--Design and Construction; Turbine Aircraft Engines Sec. 33.62 Stress analysis. A stress analysis must be performed on each turbine engine showing the design safety margin of each turbine engine rotor, spacer, and rotor shaft. [Amdt. 33-6, 39 FR 35466, Oct. 1, 1974]