This European Standard provides the specific requirements for NDT of Wheelset for: - in-service inspection; - off-vehicle inspection; and guidance for the introduction of new NDT Techniques. NOTE In addition examples are given in informative annexes for: - NDT Personnel Certification (incl. training, qualification, renewal), - NDT Procedure and Instruction For this standard, the following NDT methods considered are: - ultrasound testing (UT); - magnetic particle testing (MT); - eddy current testing (ET). Other methods considered in EN ISO 9712 are outside the scope of this standard. For this purpose, a catalogue of the common defects is given as guidance. For application of this standard, the definition of the Wheelset Class is given and attached to the Railway Maintenance Sector as named in EN ISO 9712. Specific NDT requirements for infrastructure or requirements relating to the quality of new products delivered by manufacturers are not within the scope of this standard.