21L.A.46 Aircraft design data

(a)The declarant shall clearly define the aircraft design to enable its unique and unambiguous identification.

(b)The aircraft design data that is used by the declarant to uniquely define the aircraft design shall include:

1.the drawings and specifications and a listing of those drawings and specifications that are necessary to define the configuration and the design features of the product;

2.information on the materials and processes used;

3.information on the methods of manufacture and assembly;

4.any airworthiness limitations;

5.any environmental compatibility requirements; and

6.any other data allowing by comparison the determination of the airworthiness and, if relevant, the environmental compatibility of later products of the same type.