（CS-21）.

帅哥

21A.143 Exposition . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 32

21A.145 Approval requirements . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 33

21A.147 Changes to the approved production organisation . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 33

21A.148 Changes of location .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 33

21A.149 Transferability . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 33

21A.151 Terms of approval . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 34

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21A.153 Changes to the terms of approval . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 34

21A.157 Investigations . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 34

21A.158 Findings . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 34

21A.159 Duration and continued validity . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 34

21A.163 Privileges . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 35

21A.165 Obligations of the holder . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 35

SUBPART H — AIRWORTHINESS CERTIFICATES . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 36

21A.171 Scope . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 36

21A.172 Eligibility . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 36

21A.173 Classification . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 36

21A.174 Application . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 36

21A.175 Language . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 37

21A.177 Amendment or modification . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 37

21A.179 Transferability and re-issuance within Member States . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 37

21A.180 Inspections . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 37

21A.181 Duration and continued validity . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 37

21A.182 Aircraft identification . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 38

帅哥

21A.183 Issue of certificates of airworthiness . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 38

21A.184 Issue of restricted certificates of airworthiness . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 38

21A.185 Issue of permits to fly . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 38

SUBPART I — NOISE CERTIFICATES . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.201 Scope . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.203 Eligibility . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.204 Application . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.205 Issue of noise certificates . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.207 Amendment or modification . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.209 Transferability and re-issuance within Member States . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.210 Inspections . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 39

21A.211 Duration and continued validity . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 40

SUBPART J — DESIGN ORGANISATION APPROVAL .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 40

21A.231 Scope . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 40

21A.233 Eligibility . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 40

21A.234 Application . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 40

21A.235 Issue of design organisation approval . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 40

21A.239 Design assurance system . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 40

21A.243 Data . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 41

21A.245 Approval requirements . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 41

21A.247 Changes in design assurance system . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 41

21A.249 Transferability . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 41

21A.251 Terms of approval . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 41

21A.253 Changes to the terms of approval . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 41

21A.257 Investigations . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 42

21A.258 Findings . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 42

21A.259 Duration and continued validity . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 42

21A.263 Privileges . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 42

21A.265 Obligations of the holder . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 43

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SUBPART K — PARTS AND APPLIANCES . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 43

帅哥

21A.301 Scope . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 43

21A.303 Compliance with applicable requirements .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 43

21A.305 Approval of parts and appliances . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 43

21A.307 Release of parts and appliances for installation . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 43

(SUBPART L — NOT APPLICABLE) . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 44

SUBPART M — REPAIRS .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 44

21A.431 Scope . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 44

21A.432 Eligibility . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 44

21A.432B Demonstration of capability . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 44

21A.433 Repair design . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 44

21A.435 Classification of repairs . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 44

21A.437 Issue of a repair design approval . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 45

21A.439 Production of repair parts . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 45

21A.441 Repair embodiment .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 45

21A.443 Limitations . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 45

21A.445 Unrepaired damage .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 45

21A.447 Record keeping . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 45

21A.449 Instructions for continued airworthiness . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 46

21A.451 Obligations and EPA marking . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 46

(SUBPART N — NOT APPLICABLE) . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 46

SUBPART O — EUROPEAN TECHNICAL STANDARD ORDER AUTHORISATIONS . . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 46

21A.601 Scope . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 46

21A.602A Eligibility . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 46

21A.602B Demonstration of capability . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 47

21A.603 Application . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 47

21A.604 ETSO Authorisation for an Auxiliary Power Unit (APU) .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 47

21A.605 Data requirements . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 47

21A.606 Issue of ETSO authorisation . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 47

21A.607 ETSO authorisation privileges . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 47

21A.608 Declaration of Design and Performance (DDP) . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 48

21A.609 Obligations of holders of ETSO authorisations . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 48

21A.610 Approval for deviation . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 48

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21A.611 Design changes . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 48

21A.613 Record keeping . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 49

21A.615 Inspection by the Agency . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 49

21A.619 Duration and continued validity . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 49

21A.621 Transferability . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 49

(SUBPART P — NOT APPLICABLE) . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 49

SUBPART Q — IDENTIFICATION OF PRODUCTS, PARTS AND APPLIANCES . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 49

21A.801 Identification of products . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 49

21A.803 Handling of identification data . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 50

21A.804 Identification of parts and appliances . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 50

21A.805 Identification of critical parts . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 50

21A.807 Identification of ETSO articles . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 50

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Page

SECTION B . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

PROCEDURES FOR COMPETENT AUTHORITIES . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

SUBPART A — GENERAL PROVISIONS . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

21B.5 Scope . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

21B.20 Obligations of the competent authority . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

21B.25 Requirements for the organisation of the competent authority . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

21B.30 Documented procedures . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

21B.35 Changes in organisation and procedures . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

21B.40 Resolution of disputes . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 51

21B.45 Reporting/co-ordination . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

21B.55 Record keeping . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

21B.60 Airworthiness directives . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

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SUBPART B — TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

(SUBPART C — NOT APPLICABLE) . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

SUBPART D — CHANGES TO TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES . . . . . . .. . . . . . . . .. . . . . . . . .. 52

SUBPART E — SUPPLEMENTAL TYPE-CERTIFICATES .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

SUBPART F — PRODUCTION WITHOUT PRODUCTION ORGANISATION APPROVAL . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

21B.120 Investigation . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 52

21B.130 Issue of letter of agreement . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 53

21B.135 Maintenance of the letter of agreement . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 53

21B.140 Amendment of a letter of agreement . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 53

21B.143 Notification of findings . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 53

21B.145 Suspension and revocation of a letter of agreement . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 54

21B.150 Record keeping . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 54

SUBPART G — PRODUCTION ORGANISATION APPROVAL .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 54

21B.220 Investigation . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 54

21B.225 Notification of findings . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 55

21B.230 Issue of certificate . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 55

21B.235 Continued surveillance . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 55

21B.240 Amendment of a production organisation approval . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 55

21B.245 Suspension and revocation of a production organisation approval . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 55

21B.260 Record keeping . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 56

SUBPART H — AIRWORTHINESS CERTIFICATES . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 56

21B.320 Investigation . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 56

21B.325 Issue of airworthiness certificates . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 56

21B.330 Suspension and revocation of airworthiness certificates . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 56

21B.345 Record keeping . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

SUBPART I — NOISE CERTIFICATES . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

21B.420 Investigation . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

21B.425 Issue of noise certificates . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

21B.430 Suspension and revocation of a noise certificate . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

21B.445 Record keeping . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

SUBPART J — DESIGN ORGANISATION APPROVAL .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

SUBPART K — PARTS AND APPLIANCES . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 57

(SUBPART L — NOT APPLICABLE) . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 58

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Page

SUBPART M — REPAIRS .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 58

(SUBPART N — NOT APPLICABLE) . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 58

SUBPART O — EUROPEAN TECHNICAL STANDARD ORDER AUTHORISATIONS . . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 58

(SUBPART P — NOT APPLICABLE) . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 58

SUBPART Q — IDENTIFICATION OF PRODUCTS, PARTS AND APPLIANCES . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 58

Appendices — EASA Forms . . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . . .. 59

L 243/16 EN Official Journal of the European Union 27.9.2003

21.1 General

For the purpose of this Part, ‘Competent Authority’ shall be:

(a) for organisations having their principal place of business in a Member State, the authority designated by that

Member State; or the Agency if so requested by that Member State; or

(b) for organisations having their principal place of business in a non-member State, the Agency.

SECTION A

REQUIREMENTS FOR APPLICANTS AND ACQUIRED RIGHTS AND OBLIGATIONS

SUBPART A — GENERAL PROVISIONS

21A.1 Scope

This Section establishes general provisions governing the rights and obligations of the applicant for, and holder of, any

certificate issued or to be issued in accordance with this Section.

21A.2 Undertaking by another person than the applicant for, or holder of, a certificate

The actions and obligations required to be undertaken by the holder of, or applicant for, a certificate for a product, part

or appliance under this Section may be undertaken on its behalf by any other natural or legal person, provided the

holder of, or applicant for, that certificate can show that it has made an agreement with the other person such as to

ensure that the holder's obligations are and will be properly discharged.

21A.3 Failures, malfunctions and defects

(a) System for Collection, Investigation and Analysis of Data. The holder of a type-certificate, restricted type-certificate,

supplemental type-certificate, European Technical Standard Order (ETSO) authorisation, major repair design approval

or any other relevant approval deemed to have been issued under this Regulation shall have a system for collecting,

investigating and analysing reports of and information related to failures, malfunctions, defects or other occurrences

which cause or might cause adverse effects on the continuing airworthiness of the product, part or appliance covered

by the type-certificate, restricted type-certificate, supplemental type-certificate, ETSO authorisation, major repair

design approval or any other relevant approval deemed to have been issued under this Regulation. Information about

this system shall be made available to all known operators of the product, part or appliance and, on request, to any

person authorised under other associated implementing Regulations.

(b) Reporting to the Agency.

1. The holder of a type-certificate, restricted type-certificate, supplemental type-certificate, ETSO authorisation,

major repair design approval or any other relevant approval deemed to have been issued under this Regulation

shall report to the Agency any failure, malfunction, defect or other occurrence of which it is aware related to a

product, part, or appliance covered by the type-certificate, restricted type-certificate, supplemental type-certificate,

ETSO authorisation, major repair design approval or any other relevant approval deemed to have been issued

under this Regulation, and which has resulted in or may result in an unsafe condition.

2. These reports shall be made in a form and manner established by the Agency, as soon as practicable and in any

case dispatched not later than 72 hours after the identification of the possible unsafe condition, unless exceptional

circumstances prevent this.

(c) Investigation of Reported Occurrences.

1. When an occurrence reported under paragraph (b), or under 21A.129(f)(2) or 21A.165(f)(2) results from a deficiency

in the design, or a manufacturing deficiency, the holder of the type-certificate, restricted type-certificate,

supplemental type-certificate, major repair design approval, ETSO authorisation, or any other relevant approval

deemed to have been issued under this Regulation, or the manufacturer as appropriate, shall investigate the

reason for the deficiency and report to the Agency the results of its investigation and any action it is taking or

proposes to take to correct that deficiency.

2. If the Agency finds that an action is required to correct the deficiency, the holder of the type-certificate, restricted

type-certificate, supplemental type-certificate, major repair design approval, ETSO authorisation, or any other

relevant approval deemed to have been issued under this Regulation, or the manufacturer as appropriate, shall

submit the relevant data to the Agency.

27.9.2003 EN Official Journal of the European Union L 243/17

21A.3B Airworthiness directives

(a) An airworthiness directive means a document issued or adopted by the Agency which mandates actions to be

performed on an aircraft to restore an acceptable level of safety, when evidence shows that the safety level of this

aircraft may otherwise be compromised.

(b) The Agency shall issue an airworthiness directive when:

1. an unsafe condition has been determined by the Agency to exist in an aircraft, as a result of a deficiency in the

aircraft, or an engine, propeller, part or appliance installed on this aircraft; and

2. that condition is likely to exist or develop in other aircraft.

(c) When an airworthiness directive has to be issued by the agency to correct the unsafe condition referred to in paragraph

(b), or to require the performance of an inspection, the holder of the type-certificate, restricted type-certificate,

supplemental type-certificate, major repair design approval, ETSO authorisation or any other relevant approval

deemed to have been issued under this Regulation, shall:

1. Propose the appropriate corrective action or required inspections, or both, and submit details of these proposals

to the Agency for approval.

2. Following the approval by the Agency of the proposals referred to under subparagraph (1), make available to all

known operators or owners of the product, part or appliance and, on request, to any person required to comply

with the airworthiness directive, appropriate descriptive data and accomplishment instructions.

(d) An airworthiness directive shall contain at least the following information:

1. An identification of the unsafe condition;

2. An identification of the affected aircraft;

3. The action(s) required;

4. The compliance time for the required action(s);

5. The date of entry into force.

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21A.4 Coordination between design and production

Each holder of a type-certificate, restricted type-certificate, supplemental type-certificate, ETSO authorisation, approval of

a change to type design or approval of a repair design, shall collaborate with the production organisation as necessary

to ensure:

(a) The satisfactory coordination of design and production required by 21A.122 or 21A.133 or 21A.165(c)(2) as appropriate,

and

(b) The proper support of the continued airworthiness of the product, part or appliance.

SUBPART B — TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES

21A.11 Scope

This Subpart establishes the procedure for issuing type-certificates for products and restricted type-certificates for aircraft,

and establishes the rights and obligations of the applicants for, and holders of, those certificates.

21A.13 Eligibility

Any natural or legal person that has demonstrated, or is in the process of demonstrating, its capability in accordance

with 21A.14 shall be eligible as an applicant for a type-certificate or a restricted type-certificate under the conditions laid

down in this Subpart.

21A.14 Demonstration of capability

(a) Any organisation applying for a type-certificate or restricted type-certificate shall demonstrate its capability by

holding a design organisation approval, issued by the Agency in accordance with Subpart J.

L 243/18 EN Official Journal of the European Union 27.9.2003

(b) By way of derogation from paragraph (a), as an alternative procedure to demonstrate its capability, an applicant may

seek Agency agreement for the use of procedures setting out the specific design practices, resources and sequence of

activities necessary to comply with this Part, when the product is one of the following:

1. a very light aeroplane or rotorcraft, a sailplane or a powered sailplane, a balloon, a hot air airship; or

2. a small aeroplane meeting all of the following elements:

(i) Single piston engine, naturally aspirated, of not more than 250 hp Maximum Take-Off Power (MTOP);

(ii) Conventional configuration;

(iii) Conventional material and structure;

(iv) Flights under VFR, outside icing conditions;

(v) Maximum 4 seats including the pilot and maximum take off mass limited to 3000 lb. (1361 kg);

(vi) Unpressurised cabin;

(vii) Non-power assisted controls;

(viii) Basic aerobatic flights limited to +6/-3g; or

3. a piston engine; or

4. an engine or a propeller type-certificated under the applicable airworthiness code for powered sailplanes; or

5. a fixed or variable pitch propeller.

21A.15 Application

(a) An application for a type-certificate or restricted type-certificate shall be made in a form and manner established by

the Agency.

(b) An application for an aircraft type-certificate or restricted type-certificate shall be accompanied by a three-view

drawing of that aircraft and preliminary basic data, including the proposed operating characteristics and limitations.

(c) An application for an engine or propeller type-certificate shall be accompanied by a general arrangement drawing, a

description of the design features, the operating characteristics, and the proposed operating limitations, of the

engine, or propeller.

21A.16A Airworthiness codes

The Agency shall issue in accordance with Article 14 of the basic Regulation airworthiness codes as standard means to

show compliance of products, parts and appliances with the essential requirements of Annex I to the basic Regulation.

Such codes shall be sufficiently detailed and specific to indicate to applicants the conditions under which certificates will

be issued.

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21A.16B Special conditions

(a) The Agency shall prescribe special detailed technical specifications, named special conditions, for a product, if the

related airworthiness code does not contain adequate or appropriate safety standards for the product, because:

1. The product has novel or unusual design features relative to the design practices on which the applicable

airworthiness code is based; or

2. The intended use of the product is unconventional; or

3. Experience from other similar products in service or products having similar design features, has shown that

unsafe conditions may develop.

(b) The special conditions contain such safety standards as the Agency finds necessary to establish a level of safety

equivalent to that established in the applicable airworthiness code.

27.9.2003 EN Official Journal of the European Union L 243/19

21A.17 Type-certification basis

(a) The type-certification basis to be notified for the issuance of a type-certificate or a restricted type-certificate shall

consist of:

1. The applicable airworthiness code established by the Agency that is effective on the date of application for that

certificate unless:

(i) Otherwise specified by the Agency; or

(ii) Compliance with later effective amendments is elected by the applicant or required under paragraphs (c) and

(d).

2. Any special condition prescribed in accordance with 21A.16B(a).

(b) An application for type-certification of large aeroplanes and large rotorcraft shall be effective for five years and an

application for any other type-certificate shall be effective for three years, unless an applicant shows at the time of

application that its product requires a longer period of time for design, development, and testing, and the Agency

approves a longer period.

(c) In the case where a type-certificate has not been issued, or it is clear that a type-certificate will not be issued, within

the time limit established under paragraph (b); the applicant may:

1. File a new application for a type-certificate and comply with all the provisions of paragraph (a) applicable to an

original application; or

2. File for an extension of the original application and comply with the applicable airworthiness codes that were

effective on a date, to be selected by the applicant, not earlier than the date which precedes the date of issue of

the type-certificate by the time limit established under paragraph (b) for the original application.

(d) If an applicant elects to comply with an amendment to the airworthiness codes that is effective after the filing of the

application for a type-certificate, the applicant shall also comply with any other amendment that the Agency finds is

directly related.

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21A.18 Designation of applicable environmental protection requirements and certification specifications

(a) The applicable noise requirements for the issue of a type-certificate for an aircraft are prescribed according to the

provisions of Chapter 1 of Annex 16, Volume I, Part II to the Chicago Convention and:

1. for subsonic jet aeroplanes, in Volume I, Part II, Chapters 2, 3 and 4, as applicable;

2. for propeller-driven aeroplanes, in Volume I, Part II, Chapters 3, 4, 5, 6 and 10, as applicable;

3. for helicopters, in Volume I, Part II, Chapters 8 and 11, as applicable; and

4. for supersonic aeroplanes, in Volume I, Part II, Chapter 12, as applicable.

(b) The applicable emission requirements for the issue of a type-certificate for an aircraft and engine are prescribed in

Annex 16 to the Chicago Convention:

1. for prevention of intentional fuel venting, in Volume II, Part II, Chapter 2;

2. for emissions of turbo-jet and turbofan engines intended for propulsion only at subsonic speeds, in Volume II,

Part III, Chapter 2; and

3. for emissions of turbo-jet and turbofan engines intended for propulsion only at supersonic speeds, in Volume II,

Part III, Chapter 3.

(c) The Agency shall issue, in accordance with Article 14 of the basic Regulation, certification specifications providing

for acceptable means to demonstrate compliance with the noise and the emission requirements laid down in paragraphs

(a) and (b) respectively.

21A.19 Changes requiring a new type-certificate

Any natural or legal person proposing to change a product shall apply for a new type-certificate if the Agency finds that

the change in design, power, thrust, or mass is so extensive that a substantially complete investigation of compliance

with the applicable type-certification basis is required.

L 243/20 EN Official Journal of the European Union 27.9.2003

21A.20 Compliance with the type-certification basis and environmental protection requirements

(a) The applicant for a type-certificate or a restricted type-certificate shall show compliance with the applicable typecertification

basis and environmental protection requirements and shall provide to the Agency the means by which

such compliance has been shown.

(b) The applicant shall declare that it has shown compliance with all applicable type-certification basis and environmental

protection requirements.

(c) Where the applicant holds an appropriate design organisation approval, the declaration of paragraph (b) shall be

made according to the provisions of Subpart J.

21A.21 Issue of a type-certificate

The applicant shall be entitled to have a product type-certificate issued by the Agency after:

(a) demonstrating its capability in accordance with 21A.14;

(b) submitting the declaration referred to in 21A.20(b); and

(c) it is shown that:

1. The product to be certificated meets the applicable type-certification basis and environmental protection requirements

designated in accordance with 21A.17 and 21A.18;

2. Any airworthiness provisions not complied with are compensated for by factors that provide an equivalent level

of safety;

3. No feature or characteristic makes it unsafe for the uses for which certification is requested; and

4. The type-certificate applicant has expressly stated that it is prepared to comply with 21A.44.

(d) In the case of an aircraft type-certificate, the engine or propeller, or both, if installed in the aircraft, have a type-certificate

issued or determined in accordance with this Regulation.

21A.23 Issue of a restricted type-certificate

(a) For an aircraft that does not meet the provisions of 21A.21(c), the applicant shall be entitled to have a restricted

type-certificate issued by the Agency after:

1. complying with the appropriate type-certification basis established by the Agency ensuring adequate safety with

regard to the intended use of the aircraft, and with the applicable environmental protection requirements;

2. expressly stating that it is prepared to comply with 21A.44.

(b) The engine or propeller installed in the aircraft, or both, shall:

1. have a type-certificate issued or determined in accordance with this Regulation; or

2. have been shown to be in compliance with the certification specifications necessary to ensure safe flight of the

aircraft.

21A.31 Type design

(a) The type design shall consist of:

1. The drawings and specifications, and a listing of those drawings and specifications, necessary to define the configuration

and the design features of the product shown to comply with the applicable type-certification basis and

environmental protection requirements;

2. Information on materials and processes and on methods of manufacture and assembly of the product necessary

to ensure the conformity of the product;

3. An approved airworthiness limitations section of the instructions for continued airworthiness as defined by the

applicable airworthiness code; and

4. Any other data necessary to allow by comparison, the determination of the airworthiness, the characteristics of

noise, fuel venting, and exhaust emissions (where applicable) of later products of the same type.

(b) Each type design shall be adequately identified.

27.9.2003 EN Official Journal of the European Union L 243/21

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21A.33 Investigation and tests

(a) The applicant shall perform all inspections and tests necessary to show compliance with the applicable type-certification

basis and environmental protection requirements.

(b) Before each test required by paragraph (a) is undertaken, the applicant shall have determined:

1. For the test specimen:

(i) That materials and processes adequately conform to the specifications for the proposed type design;

(ii) That parts of the products adequately conform to the drawings in the proposed type design;

(iii) That the manufacturing processes, construction and assembly adequately conform to those specified in the

proposed type design; and

2. That the test equipment and all measuring equipment used for tests are adequate for the test and are appropriately

calibrated.

(c) The applicant shall allow the Agency to make any inspection necessary to check compliance with paragraph (b).

(d) The applicant shall allow the Agency to review any report and make any inspection and to perform or witness any

flight and ground test necessary to check the validity of the declaration of compliance submitted by the applicant

under 21A.20(b) and to determine that no feature or characteristic makes the product unsafe for the uses for which

certification is requested.

(e) For tests performed or witnessed by the Agency under paragraph (d):

1. The applicant shall submit to the Agency a statement of compliance with paragraph (b); and

2. No change relating to the test that would affect the statement of compliance may be made to a product, part or

appliance between the time compliance with paragraph (b) is shown and the time it is presented to the Agency

for test.

21A.35 Flight Tests

(a) Flight testing for the purpose of obtaining a type-certificate shall be conducted in accordance with conditions for

such flight testing specified by the Agency.

(b) The applicant shall make all flight tests that the Agency finds necessary:

1. To determine compliance with the applicable type-certification basis and environmental protection requirements,

and

2. For aircraft to be certificated under this Section, except sailplanes and powered sailplanes and except aeroplanes

of 2 722 kg or less Maximum Take-Off Mass (MTOM), to determine whether there is reasonable assurance that

the aircraft, its parts and appliances are reliable and function properly.

(c) (Reserved)

(d) (Reserved)

(e) (Reserved)

(f) The flight tests prescribed in subparagraph (b)(2) shall include:

1. For aircraft incorporating turbine engines of a type not previously used in a type-certificated aircraft, at least 300

hours of operation with a full complement of engines that conform to a type-certificate; and

2. For all other aircraft, at least 150 hours of operation.