Page 230 - UK Regulation Part 21 Initial Airworthiness Annex I (consolidated) March 2022

PART 21 - INITIAL AIRWORTHINESS (ANNEX I)

- A resume of at least the following subjects:
- Changes in organisation and qualification of the subcontractor.(in case of
impact on the procurement),
- Quality problems encountered during manufacture,
- Corrective actions following problems encountered earlier on the
procurement,
- Findings from national authorities surveillance that may have an impact on
the procurement,
- Quality problems related to the contractor procurement (materials,
documentation, procedures, processes).
Exchange of information between national authorities according to this procedure is
strictly confidential and should not be disclosed to other parties.
It is recommended to plan at least every 5 years a meeting between Industry and
the two national authorities to review each major subcontract to verify proper
management by the various parties involved.
3. Miscellaneous
a) Release documentation
Release of parts by the POA subcontractor to the contractor will be
accompanied by an «Authorised Release Certificate CAA Form 1» issued for
«Airworthiness» or for «Conformity» as appropriate.
b) Sub-subcontracting
If the subcontractor wants itself to subcontract, it is up to the CAA of the
subcontractor to verify that this is done in accordance with the conditions of
the contract, to organise as necessary the related authority surveillance and
to inform the CAA of the contractor.
c) Language
Except if agreed otherwise it is recommended to use the English language
for exchange of information between the competent authorities.

March 2022 230 of 260