(1) There shall be a chief executive of the IANS (who shall be known as and is referred to in this Act as the "Chief Executive").

(2) The first Chief Executive shall be the existing Chief Executive of the IAA and shall be appointed by the Minister for the unexpired portion of the period that he or she had left to run as the Chief Executive of the IAA at the time that his or her appointment as the Chief Executive of the IANS takes effect, and may be removed from office by the Minister during that period.

(3) Each subsequent Chief Executive of the IANS shall be appointed and may be removed from office by the directors of the IANS after consultation with the Minister.

(4) The functions of the Chief Executive shall be to -

(a) carry on, manage and control generally the administration of the IANS,

(b) advise the directors of the IANS on any matter relating to or affecting the functions of the IANS relating to the safety of air navigation services,