Commonwealth Numbered Regulations

1988 NO. 158 CIVIL AVIATION REGULATIONS - REG 21

21. (1) The Authority may issue a design standard in respect of a type of
aircraft or aircraft component, and shall do so if:

   (a)  a person applies under regulation 22 for approval of the drawings and
        specifications of a type of aircraft or aircraft component; or

   (b)  a person applies under regulation 35 or 36 for the giving of an
        approval relating to a type of aircraft or aircraft component; in
        respect of which an appropriate design standard is not in force under
        this regulation.

(2) The design standard shall set out the specifications with which the
Authority considers an aircraft or aircraft component of the type to which the
design standard relates should conform if the aircraft or any aircraft in
which the aircraft component is fitted is to be capable of being flown with
safety in normal operations in accordance with these Regulations.