Appendix B to point 21L.A.103 Classification of changes to the design
of an aircraft for which design compliance has been declared
ED Decision 2023/013/R
The following tables provide examples of āsubstantialā changes.
The classification may change due to cumulative effects and/or
combinations of individual changes.
A.1 Examples of āsubstantialā changes for small aeroplanes
(CSā23)
A.1.1 Table Aā1 contains examples of changes that are
āsubstantialā for small aeroplanes (CSā23).
Table
A-1 ā Examples of when a new declaration of design compliance would
be required under Subpart C for substantial changes for small
aeroplanes (CSā23)
Example
|
Description
of change
|
Notes
|
1.
|
Change
to wing location (tandem, forward, canard, high/low).
|
Proposed
change to the design is so extensive that a substantially complete
demonstration of compliance with the applicable detailed technical
specifications is required.
|
2.
|
Change
to engine configuration (tractor/pusher).
|
Proposed
change to the design is so extensive that a substantially complete
demonstration of compliance with the applicable detailed technical
specifications is required.
|
3.
|
Change
from an all-metal to all-composite aeroplane.
|
Proposed
change to the design is so extensive that a substantially complete
demonstration of compliance with the applicable detailed technical
specifications is required.
|