Light
Dark
System
Log In
Loading...
Compare / EASA/
Incorporated Amendments
/
Compare & Highlight Differences
Appendix B to GM 21.A.101 Application charts for changed product rule
Available versions for ERULES-1963177438-4673
ED Decision 2017/024/R
found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
From
Initial Airworthin... (Nov 2025)
Initial Airworthin... (Jul 2024)
From section
To
Initial Airworthin... (Nov 2025)
Initial Airworthin... (Jul 2024)
To section
No visible text changes
0 removals
0 additions
View
Rich
Plain
Sync scrolling
Share
From
Show details
Hide details
To
Show details
Hide details
Version
Show side by side
Appendix B to GM 21.A.101 Application charts for changed product rule ED Decision 2017/024/R Table A-16. Application Chart for 21.A.101(a) and (b) and 21.A.19 <table border="1" cellpadding="0" cellspacing="0" width="935"> <tr> <td valign="top" width="130"> <p><b>Substantial</b></p> <p><b>(21.A.19)</b></p> </td> <td colspan="4" valign="top" width="517"> <p><b>Significant</b></p> <p><b>(21.A.101(a) and (b))</b></p> </td> <td colspan="2" valign="top" width="288"> <p><b>Not Significant</b></p> <p><b>(21.A.101)(b)(1))</b></p> </td> </tr> <tr> <td rowspan="3" width="130"> <p>Substantially changed product</p> <p>Compliance with all latest CSs required for product certification.</p> <p>Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td colspan="3" width="411"> <p>Affected area</p> <p>(Changed and/or affected areas)</p> <p>New demonstration of compliance is required</p> <p>Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td rowspan="3" width="106"> <p>Unaffected area</p> <p>No new demonstration of compliance is required.</p> <p>Unaffected area continues to comply with the existing certification basis.</p> </td> <td rowspan="3" width="184"> <p>Affected area</p> <p>(Changed and/or affected areas) New demonstration of compliance is required. The applicant may propose a certification basis using an earlier amendment but not earlier than in the existing TC basis. Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td rowspan="3" width="105"> <p>Unaffected area</p> <p>No new demonstration of compliance is required.</p> <p>Unaffected area continues to comply with the existing certification basis.</p> </td> </tr> <tr> <td colspan="2" width="266"> <p>Compliance with the latest amendment materially contributes to safety</p> </td> <td width="145"> <p>No material contribution to safety</p> </td> </tr> <tr> <td valign="top" width="119"> <p>Practical</p> <p>—</p> </td> <td width="147"> <p>Impractical</p> <p>The applicant may propose a certification basis using earlier CS(s), but not earlier than the existing TC basis.</p> </td> <td width="145"> <p>The applicant may propose a certification basis using earlier CS(s), but not earlier than the existing TC basis.</p> </td> </tr> <tr> <td colspan="7" width="935"> <p>Certification Basis Proposed by the Applicant</p> </td> </tr> <tr> <td colspan="2" width="249"> <p>New certification basis using latest CSs.</p> </td> <td colspan="2" width="292"> <p>CSs at earlier amendments with supporting rationale.</p> </td> <td width="106"> <p>Existing certification basis.</p> </td> <td width="184"> <p>Existing certification basis including ‘elects to comply’.</p> </td> <td width="105"> <p>Existing certification basis.</p> </td> </tr> <tr> <td colspan="7" width="935"> <p>EASA Resultant Type-Certification Basis</p> </td> </tr> <tr> <td colspan="2" width="249"> <p>New certification basis using the latest CSs, and special conditions if required.</p> </td> <td colspan="2" width="292"> <p>New certification basis using the CSs at earlier approved amendments, and special conditions if required.</p> </td> <td width="106"> <p>Existing certification basis.</p> </td> <td width="184"> <p>Existing certification basis (if adequate); if not, first appropriate later amendment(s) and/or special conditions including ‘elects to comply’.</p> </td> <td width="105"> <p>Existing certification basis.</p> </td> </tr> <tr height="0"> </tr> </table> Table A-17. Application Chart for 21.A.101(c) Excepted Products <table border="1" cellpadding="0" cellspacing="0"> <tr> <td colspan="4" width="716"> <p>Affected area</p> <p>(Changed areas and/or unchanged but affected)</p> <p>New demonstration of compliance is required.</p> <p>Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td width="215"> <p>Unaffected area</p> <p>No new demonstration of compliance is required.</p> <p>Unaffected area continues to be compliant with the existing TC basis.</p> </td> </tr> <tr> <td colspan="5" width="931"> <p>Type-Certification Basis Proposed by the Applicant</p> </td> </tr> <tr> <td colspan="4" width="716"> <p>The existing TC basis, including ‘elects to comply’.</p> </td> <td width="215"> <p>The existing TC basis.</p> </td> </tr> <tr> <td colspan="3" width="556"> <p>Found by EASA to be ‘significant in an area’.</p> </td> <td width="160"> <p>Not ‘significant in an area’.</p> </td> <td rowspan="3" width="215"> </td> </tr> <tr> <td colspan="2" width="397"> <p>Compliance with a later amendment materially contributes to safety.</p> </td> <td rowspan="2" width="159"> <p>No material contribution to safety.</p> </td> <td rowspan="2" width="160"> </td> </tr> <tr> <td width="219"> <p>Practical</p> </td> <td width="178"> <p>Impractical</p> </td> </tr> <tr> <td colspan="5" width="931"> <p>EASA Resultant Type-Certification Basis</p> </td> </tr> <tr> <td width="219"> <p>The latest amendment designated by EASA including special conditions and including ‘elects to comply’.</p> </td> <td colspan="3" width="497"> <p>The existing TC basis. If inadequate, the first appropriate later amendment. If not appropriate, add special conditions, including ‘elects to comply’.</p> </td> <td width="215"> <p>The existing TC basis.</p> </td> </tr> <tr height="0"> </tr> </table>
##### Appendix B to GM 21.A.101 Application charts for changed product rule *ED Decision 2017/024/R* ***Table A-16. Application Chart for 21.A.101(a) and (b) and 21.A.19*** <table bgcolor="#d9d9d9" cellpadding="7" cellspacing="0"> <col/> <col/> <col/> <col/> <col/> <col/> <col/> <tr valign="top"> <td bgcolor="#808080"><p align="center"> <b>Substantial</b></p> <p align="center"><b>(21.A.19)</b></p> </td> <td bgcolor="#808080" colspan="4"><p align="center"> <b>Significant</b></p> <p align="center"><b>(21.A.101(a) and (b))</b></p> </td> <td bgcolor="#808080" colspan="2"><p align="center"> <b>Not Significant</b></p> <p align="center"><b>(21.A.101)(b)(1))</b></p> </td> </tr> <tr> <td bgcolor="#d9d9d9" rowspan="3"><p align="center"> <b>Substantially changed product</b></p> <p align="center"> Compliance with all latest CSs required for product certification.</p> <p align="center">Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td bgcolor="#d9d9d9" colspan="3"><p align="center"> <b>Affected area</b></p> <p align="center"> (Changed and/or affected areas)</p> <p align="center"> New demonstration of compliance is required</p> <p align="center">Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td bgcolor="#d9d9d9" rowspan="3"><p align="center"> <b>Unaffected area</b></p> <p align="center"> No new demonstration of compliance is required.</p> <p align="center">Unaffected area continues to comply with the existing certification basis.</p> </td> <td bgcolor="#d9d9d9" rowspan="3"><p align="center"> <b>Affected area</b></p> <p align="center">(Changed and/or affected areas) New demonstration of compliance is required. The applicant may propose a certification basis using an earlier amendment but not earlier than in the existing TC basis. Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td bgcolor="#d9d9d9" rowspan="3"><p align="center"> <b>Unaffected area</b></p> <p align="center"> No new demonstration of compliance is required.</p> <p align="center">Unaffected area continues to comply with the existing certification basis.</p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="2"><p align="center"> <b>Compliance with the latest amendment materially contributes to safety</b></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <b>No material contribution to safety</b></p> </td> </tr> <tr> <td bgcolor="#d9d9d9" valign="top"><p align="center"> <b>Practical</b></p> <p align="center">—</p> </td> <td bgcolor="#d9d9d9"><p align="center"> <b>Impractical</b></p> <p align="center">The applicant may propose a certification basis using earlier CS(s), but not earlier than the existing TC basis.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> The applicant may propose a certification basis using earlier CS(s), but not earlier than the existing TC basis.</p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="7"><p align="center"> <b>Certification Basis Proposed by the Applicant</b></p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="2"><p align="center"> New certification basis using latest CSs.</p> </td> <td bgcolor="#d9d9d9" colspan="2"><p align="center"> CSs at earlier amendments with supporting rationale.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> Existing certification basis.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> Existing certification basis including ‘elects to comply’.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> Existing certification basis.</p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="7"><p align="center"> <b>EASA Resultant Type-Certification Basis</b></p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="2"><p align="center"> New certification basis using the latest CSs, and special conditions if required.</p> </td> <td bgcolor="#d9d9d9" colspan="2"><p align="center"> New certification basis using the CSs at earlier approved amendments, and special conditions if required.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> Existing certification basis.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> Existing certification basis (if adequate); if not, first appropriate later amendment(s) and/or special conditions including ‘elects to comply’.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> Existing certification basis.</p> </td> </tr> </table> ***Table A-17. Application Chart for 21.A.101(c) Excepted Products*** <table bgcolor="#d9d9d9" cellpadding="7" cellspacing="0"> <col/> <col/> <col/> <col/> <col/> <tr> <td bgcolor="#d9d9d9" colspan="4"><p align="center"> <b>Affected area</b></p> <p align="center"> (Changed areas and/or unchanged but affected)</p> <p align="center"> New demonstration of compliance is required.</p> <p align="center">Previously approved type design and compliance data may be allowed if valid for the changed product.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> <b>Unaffected area</b></p> <p align="center"> No new demonstration of compliance is required.</p> <p align="center">Unaffected area continues to be compliant with the existing TC basis.</p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="5"><p align="center"> <b>Type-Certification Basis Proposed by the Applicant</b></p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="4"><p align="center"> The existing TC basis, including ‘elects to comply’.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> The existing TC basis.</p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="3"><p align="center"> Found by EASA to be ‘significant in an area’.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> Not ‘significant in an area’.</p> </td> <td bgcolor="#d9d9d9" rowspan="3"><p align="center"> <br/> </p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="2"><p align="center"> Compliance with a later amendment materially contributes to safety.</p> </td> <td bgcolor="#d9d9d9" rowspan="2"><p align="center"> No material contribution to safety.</p> </td> <td bgcolor="#d9d9d9" rowspan="2"><p align="center"> <br/> </p> </td> </tr> <tr> <td bgcolor="#d9d9d9"><p align="center"> <b>Practical</b></p> </td> <td bgcolor="#d9d9d9"><p align="center"> <b>Impractical</b></p> </td> </tr> <tr> <td bgcolor="#d9d9d9" colspan="5"><p align="center"> <b>EASA Resultant Type-Certification Basis</b></p> </td> </tr> <tr> <td bgcolor="#d9d9d9"><p align="center"> The latest amendment designated by EASA including special conditions and including ‘elects to comply’.</p> </td> <td bgcolor="#d9d9d9" colspan="3"><p align="center"> The existing TC basis. If inadequate, the first appropriate later amendment. If not appropriate, add special conditions, including ‘elects to comply’.</p> </td> <td bgcolor="#d9d9d9"><p align="center"> The existing TC basis.</p> </td> </tr> </table>