Duty of licensee in respect of equipment, Radio Regulations, etc.
33.—(1)  All equipment comprised in a station on board any aircraft shall be approved by the Director-General of the Civil Aviation Authority of Singapore and a certificate to this effect shall accompany the application for the licence.
(2)  The licensee of a station on board an aircraft shall observe the provisions of the Radio Regulations and any other local or international rules and regulations applicable to stations on board an aircraft.