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Navigate / EASA / INITIAL AIRWORTHINESS AND ENVIRONMENTAL PROTECTION NOV 2025 / Annex I / SECTION A -- TECHNICAL REQUIREMENTS / SUBPART E -- SUPPLEMENTAL TYPE-CERTIFICATES /

21.A.120B Availability of operational suitability data

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21.A.120B Availability of operational suitability data

Regulation (EU) 2024/1108

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.

Frequently Asked Questions

The holder of the supplemental type-certificate.

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At least one set of changes to the operational suitability data prepared in accordance with the applicable operational suitability data certification basis.

* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation

It must be made available before the operational suitability data is used by a training organisation or an EU operator.

* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation

Any further change to the affected operational suitability data must be made available to all known EU operators of the changed aircraft.

* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation

To the competent authority responsible for verifying conformity with one or more elements of the affected operational suitability data, and to any person required to comply with one or more elements of this set of operational suitability data.

* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation

Regulation (EU) 2024/1108.

* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation

Yes, at least one set of changes prepared in accordance with the applicable operational suitability data certification basis must be made available to all known EU operators of the changed aircraft.

* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation

The changes must be prepared in accordance with the applicable operational suitability data certification basis.

* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation

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