(1) The Director may, by notice in the IAIP, declare any area to be a prohibited area and shall, when so declaring an area to be a prohibited area—
(a) specify a height above the ground surface of such area; or
(b) specify an altitude in respect of such area, as the Director may deem expedient, in the notice in question.
(2) No person shall fly any aircraft whatsoever in the air space above a prohibited area—
(a) below the height specified in terms of subregulation (1) (a); or
(b) below the altitude specified in terms of subregulation (1) (b), as the case may be, in respect of the prohibited area in question.