Article 36 Minimum navigation performance
An aircraft registered in Hong Kong shall not fly in airspace prescribed for the purpose of this Article by Regulation 17 of Schedule 15 of this Order unless—
(a)
it is equipped with navigation systems which enable the aircraft to maintain the prescribed navigation performance capability; and
(b)
the navigation systems required by paragraph (a) hereof are approved by the Governor and installed and maintained in a manner approved by the Governor; and
(c)
the operating procedures for the navigation systems required by paragraph (a) hereof are approved by the Governor; and
(d)
the equipment is operated in accordance with the approved procedures while the aircraft is flying in the said airspace.