21.A.120B Availability of operational suitability data

In the case of a change affecting the operational suitability data, the holder of the supplemental type-certificate shall make available:

(a)at least one set of changes to the operational suitability data prepared in accordance with the applicable operational suitability data certification basis to all known EU operators of the changed aircraft before the operational suitability data is used by a training organisation or an EU operator; and

(b)any further change to the affected operational suitability data, to all known EU operators of the changed aircraft; and

(c)on request, the relevant parts of the changes in points (a) and (b) above, to:

1.the competent authority responsible for verifying conformity with one or more elements of the affected operational suitability data; and

2.any person required to comply with one or more elements of this set of operational suitability data.