(1) An aircraft shall not fly unless it is so equipped with radio and radio navigation equipment-
(a) as to comply with the law of-
(i) if there is no Article 83 bis transfer of the functions and duties under Article 30 of the Chicago Convention in respect of the aircraft, the country in which the aircraft is registered; or
(ii) if there is such a transfer, the state of the operator of the aircraft; and
(b) to enable communications to be made and the aircraft to be navigated in accordance with the provisions of this Order and any regulations made under this Order including, in particular, Schedule 15 to this Order. (L.N. 77 of 2008)
(2) Without prejudice to paragraph (1) of this Article, the aircraft shall be equipped with radio and radio navigation equipment in accordance with Schedule 6 to this Order.
(3) In any particular case the Chief Executive may direct that an aircraft registered in Hong Kong shall carry such additional or special radio or radio navigation equipment as he may specify for the purpose of facilitating the navigation of the aircraft, the carrying out of search and rescue operations or the survival of the persons carried in the aircraft. (36 of 1999 s. 3)
(4) Subject to such exceptions as may be prescribed the radio and radio navigation equipment provided in compliance with this Article in an aircraft registered in Hong Kong shall always be maintained in serviceable condition.
(5) All radio and radio navigation equipment installed in an aircraft registered in Hong Kong or carried on such an aircraft for use in connection with the aircraft (whether or not in compliance with this Order or any regulations made thereunder) shall be of a type approved by the Chief Executive in relation to the purpose for which it is to be used, and shall be installed in a manner approved by the Chief Executive. Neither the equipment nor the manner in which it is installed shall be modified except with the approval of the Chief Executive. (36 of 1999 s. 3)