| (1) | The Director may, by notice, issue appropriate airworthiness directives in respect of a product if on reasonably grounds he or she believes— |
| (a) | that an unsafe condition exists in that product; and |
| (b) | the condition is likely to exist or develop in any other product of the same design. |
| (2) | An owner or operator of an aircraft shall not operate the aircraft unless he or she complies with— |
| (a) | all applicable airworthiness directives issued by the Director; or |
| (b) | applicable airworthiness directives issued by the State of Design of the aircraft or product. |
(3)
| (a) | The Director may, on application, grant an owner or operator an exemption or recognise an alternative means of complying with the requirements specified in the airworthiness directive. |
| (b) | The provisions of Part 11 apply, with the necessary changes, to an application referred to in this subregulation. |
| (4) | If the Director issues an airworthiness directive for a product, a holder of any certificate for the product type, shall— |
| (a) | upon the request of the Director, submit appropriate design changes to the Director for approval; and |
| (b) | upon approval of the design changes, make the descriptive data covering the changes available to all operators of the product. |
| (a) | may consult with the State of Design prior to issuing an airworthiness directive; and |
| (b) | shall notify the State of Design as soon as practicable after issuing an airworthiness directive. |
| (6) | The responsibilities of Contracting States in respect of continuing airworthiness of an aircraft, engine and propeller are prescribed in Document SA-CATS 21. |
[Regulation 21.01.4 substituted by regulation 6 of Notice No. R. 409, GG 40831, dated 5 May 2017 (Fifteenth Amendment of the Civil Aviation Regulations, 2017)]
