FAA AC 20-128:1997
FAA AC 20-128:1997 Design Considerations For Minimizing Hazards Caused By Uncontained Turbine Engine And Auxiliary Power Unit Rotor Failure Provides a method of compliance with the requirements of section 23.901(f), 23.903(b)(1), 25.901(d) and 25.903(d)(1) of the Federal Aviation Regulations (FAR) pertaining to design precautions taken to