Article 87 Power to prevent aircraft flying
If it appears to the Governor or an authorised person that any aircraft is intended or likely to be flown—
in such circumstances that any provision of Article 3, 5, 6, 7, 18, 19, 28, 37, 43 or 44 of this Order would be contravened in relation to the flight; or
in such circumstances that the flight would be in contravention of any other provision of this Order or any regulations made thereunder and be a cause of danger to any person or property whether or not in the aircraft; or
while in a condition unfit for the flight, whether or not the flight would otherwise be in contravention of any provision of this Order or of any regulation made thereunder,
the Governor or that authorised person may direct the operator or the commander of the aircraft that he is not to permit the aircraft to make the particular flight or any other flight of such description as may be specified in the direction, until the direction has been revoked by the Governor or by an authorised person, and the Governor or that authorised person may take such steps as are necessary to detain the aircraft.
For the purposes of paragraph (1) of this Article the Governor or any authorised person may enter upon and inspect any aircraft.
If it appears to the Governor or an authorised person that any aircraft is intended or likely to be flown in such circumstances that any provision of Article 84 or 85 of this Order or any provision relating to the licensing of air transport in Hong Kong would be contravened in relation to the flight, the Governor or that authorised person may direct the operator or the commander of the aircraft that he is not to permit the aircraft to make the particular flight or any other flight of such description as may be specified in the direction until the direction has been revoked by the Governor or by an authorised person, and the Governor or any authorised person may take such steps as are necessary to detain the aircraft.
For the purposes of paragraph (3) of this Article the Governor or any authorised person may enter upon any aerodrome and may enter upon and inspect any aircraft.