FAA AC 33.27-1:2011
FAA AC 33.27-1:2011 Engine And Turbosupercharger Rotor Overspeed Requirements Of 14 Cfr Section 33.27 Gives guidance and acceptable methods, but not the only methods, for demonstrating compliance with the rotor strength (overspeed) requirements of Title 14 of the Code of Federal Regulations (14 CFR) 3