This standard stipulates the purpose, content, methods and requirements of aircraft structural stiffness testing. These contents only provide guidance and describe specific implementation methods for aircraft structural stiffness testing. This standard is applicable to the stiffness test of various military aircraft structures (excluding helicopters), and can also be used as a reference for civil aircraft.
HB 6502-1991 history
2002HB 6502-2002 General requirements of rigidity test for aircraft structure
1991HB 6502-1991 Airplane rigidity test and requirement