(5)No aircraft shall commence any flight if subsequent to the issue of a certificate in pursuance of this rule, it has suffered any damage or revealed any defect, other than items covered in the approved list of deficiencies, which would render the aircraft unsafe for flight and which would not, in accordance with the ordinary aeronautical practice, be remedied by the pilot or crew:Provided that the Director-General may, by general or special order and subject to such conditions as may be specified in that order, exempt any aircraft from the operation of this rule.]
