Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) Unless sooner cancelled, provisional certificates of airworthiness are effective for the duration of the corresponding provisional type certificate, amendment to a provisional type certificate, or provisional amendment to the type certificate.
(2) Despite subregulation (1), a provisional certificate of airworthiness is not in force during any period of suspension.
(3) CASA may suspend or cancel a provisional certificate of airworthiness, by written notice given to its holder, if CASA considers that it is necessary to do so in the interests of aviation safety.
(a) the grounds for the suspension or cancellation; and
(b) in the case of a suspension--when the suspension stops having effect.
Source FARs section 21.217 modified.
Note: See also regulations 21.002C and 21.002E in relation to
suspension and cancellation of provisional certificates of airworthiness.