Downloaded from https://www.everyspec.com ADS-39A-HDBK AERONAUTICAL DESIGN STANDARD HANDBOOK SOURCE APPROVAL AND ENGINEERING TEST REQUIREMENTS FOR ALTERNATE SOURCES OF HELICOPTER DRIVE SYSTEM ASSEMBLIES AND COMPONENTS ATTACHMENT 2 TEST SPECTRUMS
Downloaded from https://www.everyspec.com ADS-39A-HDBK AERONAUTICAL DESIGN STANDARD HANDBOOK SOURCE APPROVAL AND ENGINEERING TEST REQUIREMENTS FOR ALTERNATE SOURCES OF HELICOPTER DRIVE SYSTEM ASSEMBLIES AND COMPONENTS ATTACHMENT 2 TEST SPECTRUMS