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5.4.4.3 Finding of compliance
Findings of compliance are made against airworthiness and environmental standards, including special conditions of airworthiness and request for equivalent level of safety. The finding of compliance can be made by the ACD, or by its authorized delegate, depending on the pre-defined levels of involvement in the certification plan. Following a successful demonstration of compliance by the applicant on a certification item, the ACD should make a finding of compliance and subsequently sign-off the item in the certification plan. The findings are usually accomplished by the ACD through one or any combination of the following actions:
a) Acceptance of substantiating data. Reports, analysis, drawings, or similar documents are usually produced against each certification item and should be reviewed and accepted. Specific attention should be paid to the methodology and assumptions, rather than the detailed calculations or analysis.
b) Witnessing of Test. Tests are performed, and witnessed by the ACD where required or agreed to, in accordance with an approved test plan. The test should be conducted only after conformity with the test plan has been established for the test articles, test environment and test facilities. The ACD does not take part in the actual performance of the non-flight test, and should remain impartial and concentrated on the test objective. For flight testing, the ACD or its delegate may perform the flight testing.
c) Engineering inspection. Any aspect of the type design, for which compliance with the certification item cannot be determined through review of drawings or reports, should receive an engineering compliance inspection. An engineering compliance inspection is to assure that an installation, and its relationship to other installations on a product, complies with the design requirements.
d) Conformity inspection. Where required, should be performed by the AID to verify conformity of the modified product with drawings, specifications, and special processes. An engineering inspection should not be confused with a conformity inspection. A conformity inspection is done to determine conformity to the engineering data, while an engineering compliance is done to determine compliance with the certification requirement.
e) Flight Test. For aircraft, an actual demonstration of flight capabilities and characteristics in accordance with an approved flight test plan.
5.4.4.4 Non-compliance
The ACD should notify the applicant in writing of any non-compliance found during the process of data review, inspections, ground and flight tests and, if it becomes necessary, the discontinuance of official type certification tests. The applicant should advise the ACD when the non-compliance finding has been resolved or when the cause of the discontinuance of the tests has been corrected and a resumption of the type certification tests is requested. The identification and resolution of non-compliance items should be properly documented and kept part of the record for the modification approval project.
5.4.5 Approving the modification
5.4.5.1 General
All findings of compliance made by the ACD, or its delegate, should be recorded or annotated in the certification compliance plan. When the applicant has demonstrated compliance, and the ACD has found full compliance on all items of the certification basis, including the resolution of outstanding items, the plan is signed off and becomes the official compliance record for the modification project. The certification compliance record serves as the satisfactory evidence specified under Annex 8, Part II, 1.3.4 for the approval of the modification. The approval of the modification means that:
a) the areas of the type design affected by the modification meet all the relevant
requirements specified in the certification basis, including special conditions of
airworthiness issued by the CAA,
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适航手册 AIRWORTHINESS MANUAL(106)
