3.3.2  Approvals and certificates
The PD should:
a)  issue a Production Certificate/approval for a manufacturer that produces in aeronautical products or parts;
b)  amend a Production Certificate/approval as necessary;
c)  approve manufacturing organizations to ensure the proper communication with the design organization, the adequacy of manufacturing and test facilities, the competence of skilled personnel, and the existence of satisfactory quality control systems, including coverage of suppliers;
d)  survey and evaluate aircraft for issuance of an Airworthiness Certificate and maintenance of that certificate for aircraft on the registry of the State, or in preparation for export to another State;
e)  issue Authorized Release Certificates for airworthy aeronautical products and parts; and
f)  issue Special Flight Permits for aircraft that do not meet applicable airworthiness requirements, but are capable of safe flight (e.g. prototype aircraft or production flight tests).

3.3.3 Surveillance, investigations, and enforcement
The PD should:
a)  perform regular surveillance of manufacturing activities and series production to ensure the manufacturer's compliance with airworthiness requirements and associated manufacturing specifications. This includes:
1)  ensuring the manufacturer’s compliance with approved production drawings and manufacturing procedures;
2)  evaluation of any changes to a Production Certificate/approval to ensure continued compliance with the applicable airworthiness requirements;
3)  coordination of manufacturer's requests for deviations from specifications, and ensuring adequate manufacturer's treatment, in coordination with the ACD, for those deviations from specifications;
4)  follow through to ensure that the manufacturer submits complete modification drawings, design data and maintenance information for use by the operator, maintenance and overhaul organizations;
5)  manufacturer’s reporting of problems, which threaten timely and satisfactory achievement of the objectives with recommendations for corrective action; and
6)  witnessing of critical tests performed by the manufacturer and approval of testing methods and test reports in coordination with the ACD.
b) investigate unsatisfactory manufacturing occurrences, which may result in a determination, with the manufacturer, of necessary corrective actions.

3.3.4 Support of type certification activities
The PD should:
a)  participate in and manage the activities of the type certification board (TCB) as they apply to manufacturing processes and techniques to be used (guidelines for the establishment of a TCB are given in Part III, Chapter 1, 1.2.5.1);
b)  inspect prototype aircraft, test specimens and test installation as necessary. This includes: 
1)  determining the conformity of each part, article and test installation with its applicable design data, as well as with the approved test proposal; 
2)  advising the ACD engineer of the detected discrepancies for conformity purposes; and
3)  issuing conformity inspection reports.
c)  evaluate proposals pertinent to manufacturing aspects of the design, repair, and modification of an aircraft or its parts to ensure conformity with CAA specifications; and
d)  support flight manual preparation.

3.3.5  Liaison functions
The PD should:
a)  coordinate with the ACD or AID on major problems or defects discovered in aeronautical products or parts in service, and determine the manufacturing corrective action to be taken where airworthiness may be affected;
b)  maintain continuous and effective cooperation with the ACD and AID regarding all aspects of manufacturing that affect the approved design and continued airworthiness of the product or part;
　
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