Paragraph 4

Any Order in Council, order or regulations made, in relation to aircraft, in pursuance of any power to which this paragraph applies may provide for the detention of aircraft to secure compliance with the Order in Council, order or regulations, as the case may be, or with any enactment which is mentioned in sub-paragraph (2) below, and in connection with which the Order in Council, order or regulations is or are made, and may make such further provision as appears to the authority exercising the power to be necessary or expedient for securing such detention.

The enactments referred to in sub-paragraph (1) above are the enactments contained in sections F1. . . 76, F2... 89 and 97 of this Act and the enactments conferring powers to which this paragraph applies.