Page 236 - UK Regulation Part 21 Initial Airworthiness Annex I (consolidated) March 2022

PART 21 - INITIAL AIRWORTHINESS (ANNEX I)

certificate issued by the CAA
The CAA may issue under its own legislation a document to list and identify all necessary
conditions, restrictions and limitations that result from the investigation by the CAA. This
document could take the form of an addendum to the approved flight manual or operating
instruction or comparable document and should be referenced in Block 5
(limitations/remarks) of the appropriate certificate of airworthiness.
21.B.325 Issue of airworthiness certificate
(a) The CAA shall issue or change a certificate of airworthiness (CAA Form 25, see Appendix
VI) without undue delay when it is satisfied that the requirements of point 21.B.326 and the
applicable requirements of Section A of Subpart H of this Annex I (Part 21) are met.
(b) The CAA shall issue or change a Restricted certificate of airworthiness (CAA Form 24,
see Appendix V) without undue delay when it is satisfied that requirements of point
21.B.327 and the applicable requirements of Section A of Subpart H of this Annex I (Part
21) are met.
(c) for a new aircraft or used aircraft originating from a non-member State, in addition to the
appropriate airworthiness certificate referred to in point (a) or (b), the CAA shall issue an
initial airworthiness review certificate (CAA Form 15a or 15c, see Appendix II).
21.B.325(a) GM Airworthiness certificates
1. Completion of the certificate of airworthiness
Block 5: Insert restrictions developed in accordance with Part 21, including any reference
to limitations as indicated in GM 21.B.320(b)(6).
2. Completion of the restricted certificate of airworthiness
Block 5: Insert restrictions developed in accordance with Part 21, including any reference
to limitations as indicated in GM 21.B.320(b)(6).
21.B.325(b) GM Completion of the Airworthiness Review Certificate
1. Purpose
In accordance with the applicable continuing airworthiness requirements a certificate of
airworthiness is valid only if a valid airworthiness review certificate is attached to it. For
new aircraft, the CAA will issue the airworthiness review certificate when issuing the
certificate of airworthiness.
21.B.326 Certificate of airworthiness
The CAA shall issue a certificate of airworthiness for:
(a) new aircraft:
1. upon presentation of the documentation required by point 21.A.174(b)(2);
2. where the CAA is satisfied that the aircraft conforms to an approved design and is in
a condition for safe operation; this may include inspections by the CAA; and
3. where the CAA is satisfied that the aircraft is in compliance with the applicable CO2
emissions requirements on the date on which the certificate of airworthiness is first
issued.
(b) used aircraft:
1. upon presentation of the documentation required by point 21.A.174(b)(3)
demonstrating that:
(i) the aircraft conforms to a type design approved under a type-certificate and
any supplemental type- certificate, change or repair approved in accordance
with this Annex I (Part 21) and;
(ii) the applicable airworthiness directives have been complied with and;
(iii) the aircraft has been inspected in accordance with the provisions of Annex I
(Part-M) or Annex Vb (Part-ML) of Regulation (EU) No 1321/2014, as
appropriate.
(iv) the aircraft was in compliance with the applicable CO2 emissions
requirements on the date on which the certificate of airworthiness was first
issued;
2. where the CAA is satisfied that the aircraft conforms to an approved design and is in
a condition for safe operation; this may include inspections by the CAA and
3. where the CAA is satisfied that the aircraft was in compliance with the applicable
CO2 emissions requirements on the date on which the certificate of airworthiness
was first issued.
21.B.327 Restricted certificate of airworthiness
(a) The CAA shall issue a restricted certificate of airworthiness for:
1. new aircraft:
(i) upon presentation of the documentation required by point 21.A.174(b)(2);
(ii) when the CAA is satisfied that the aircraft conforms to a design approved by
the CAA under a restricted type- certificate or in accordance with specific
airworthiness specifications, and is in a condition for safe operation. This may
include inspections by the CAA;
2. used aircraft:
(i) upon presentation of the documentation required by point 21.A.174(b)(3)
demonstrating that:
(A) the aircraft conforms to a design approved by the CAA under a
restricted type-certificate or in accordance with specific airworthiness
specifications and any supplemental type-certificate change or repair
March 2022 236 of 260