Page 137 - UK Regulation Part 21 Initial Airworthiness Annex I (consolidated) March 2022

PART 21 - INITIAL AIRWORTHINESS (ANNEX I)

required by the CAA.
6. A weight and balance report for the completed aircraft.
7. A record of missing items or defects which do not affect airworthiness these for example
could be furnishing or BFE (Items may be recorded in a technical log or other suitable
arrangement such that the operator and CAA are formally aware).
8. Product support information required by other implementing rules and associated CS or
GM, such as a Maintenance Manual, a Parts Catalogue, or MMEL all of which are to reflect
the actual build standard of the particular aircraft. Also an Electrical load analysis and a
wiring diagram.
9. Records which demonstrate completion of maintenance tasks appropriate to the test flight
flying hours recorded by the aircraft. These records should show the relationship of the
maintenance status of the particular aircraft to the manufacturers recommended
maintenance task list and the MRB document/report.
10. Details of the serviceability state of the aircraft in respect of a) the fuel and oil contents, b)
provision of operationally required emergency equipment such as life rafts, etc.
11. Details of the approved interior configuration if different from that approved as part of the
type design.
12. An approved Flight Manual which conforms to the build standard and modification state of
the particular aircraft shall be available.
13. Show that inspections for foreign objects at all appropriate stages of manufacture have
been satisfactorily performed.
14. The registration has been marked on the exterior of the aircraft as required by national
legislation. Where required by national legislation fix a fireproof owners nameplate.
15. Where applicable there should be a certificate for noise and for the aircraft radio station.
16. The installed compass and or compass systems have been adjusted and compensated
and a deviation card displayed in the aircraft.
17. Software criticality list.
18. A record of rigging and control surface movement measurements.
19. Details of installations which will be removed before starting commercial air transport
operations (e.g., ferry kits for fuel, radio or navigation).
20. Where maintenance work has been performed under the privilege of 21.A.163(d) issue a
release to service that includes a statement that the aircraft is in a condition for safe
operation.
21. List of all applicable Service Bulletins and airworthiness directives that have been
implemented.
21.A.165(c) GM4 Airworthiness Release or Conformity Certificate
The CAA Form 1, when used as a release certificate as addressed in 21.A.165(c)(2) and (3), may be
issued in two ways:
- As an airworthiness release, only when by virtue of the arrangement described in
21.A.133(b) and (c), it can be determined that the part conforms to the approved design
data and is in a condition for safe operation.
- As a conformity certificate, only when by virtue of the arrangement described in
21.A.133(b) and (c), it can be determined that the part conforms to applicable design data
which is not (yet) approved, for a reason that is indicated in Block 12. Parts released with
an CAA Form 1 as a conformity certificate are not eligible for installation in a
typecertificated aircraft.
The CAA Form 1 should only be used for conformity release purposes when it is possible to indicate
the reason that prevents its issue as for airworthiness release purposes.
21.A.165(c)(3) AMC Applicable engine exhaust emissions requirements
1. General
This determination is made according to the data provided by the engine typecertificate
holder. This data should allow the determination of whether the engine complies with the
emissions production cutoff requirement of paragraph (d) of Volume II, Part III, Chapter 2,
paragraph 2.3.2 of Annex 16 to the Chicago Convention. It should be noted that in the
case of engines for which the CAA has granted an exemption from these requirements,
the emissions requirements applicable are the regulatory levels defined in Volume II, Part
III, Chapter 2, paragraph 2.3.2 c) of Annex 16 to the Chicago Convention.
2. Process and criteria for applying for exemptions against a NOx emissions production cut-
of requirement.
2.1 Request
The organisation should submit a formal request to the CAA, signed by an
appropriate manager, and copied to all other relevant organisations and
involved Competent Authorities including the CAA. The letter should include
the following information for the CAA to be in a position to review the
application:
a) Administration
- Name, address and contact details of the organisation.
b) Scope of the request
- Engine type (model designation, typecertificate (TC) number, TC date,
emission TC basis, ICAO Engine Emissions Databank Unique
Identification (UID) Number);
- Number of individual engine exemptions requested;
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