33Provision by the Authority of assistance etc. for Secretary of State and others
(1)Subject to subsection (3) of this section it shall be the duty of the Authority to provide such assistance and advice as the Secretary of State may require the Authority to provide for him or any other person in connection with any of the Secretary of State's functions relating to civil aviation.
(2)Without prejudice to the preceding subsection, it shall also be the duty of the Authority—
(a)to consider what aerodromes are in its opinion likely to be required from time to time in the United Kingdom in addition to or in place of or by way of alteration of existing aerodromes; and
(b)to make recommendations to the Secretary of State arising out of its consideration of that matter;
and it shall be the duty of the Secretary of State to publish the recommendations (except any of them of which the publication appears to him unnecessary) in such manner as he considers appropriate for bringing them to the notice of the public.
(3)Where in pursuance of subsection (1) of this section the Secretary of State requires the Authority to provide assistance or advice for a person other than the Secretary of State but does not undertake to pay to the Authority the cost of doing so, the Authority shall be entitled to refuse to do so until the other person pays to the Authority—
(a)in so far as provision is made in pursuance of section 9 of this Act for charges in respect of the assistance or advice, those charges ; and
(b)in so far as provision is not so made, such reasonable charges in respect of the assistance or advice as the Authority may determine.
(4)The Authority shall be entitled to recover from the Secretary of State a sum equal to any expense reasonably incurred by it in providing him with assistance or advice in pursuance of subsection (1) of this section and in performing the duty imposed on it by subsection (2) of this section, and any expenditure incurred by the Secretary of State in pursuance of this subsection shall be defrayed out of money provided by Parliament.
(5)Without prejudice to subsection (1) of this section, the Authority may provide for any person technical assistance and advice, including research services, with respect to any matter in which the Authority has skill or experience.