The state of design shall ensure that there exists a continuing structural integrity program to ensure the airworthiness of the aeroplane, which includes specific information concerning corrosion prevention and control, in respect of aeroplanes:
over 5,700 kg maximum certificate take-off and landing mass
up to 5,700 kg maximum certificate take-off and landing mass
up to 5,700 kg maximum certificate take-off mass
over 5,700 kg maximum certificate take-off mass