http://statutes.agc.gov.sg/non_version/cgi-bin/cgi_getdata.pl?&actno=1966-REVED-6&date=latest&method=part&segid=887942417-000052#887942417-000165Air Navigation Act (Cap. 6)
Prohibited carriage and prohibited photography over protected areas.
7.—(1) The Minister may by order published in the Gazettedeclare any area to be a protected area within the meaning of this section.
(2) An aircraft flying over any protected area shall not carry —
(a) arms or explosives (other than such arms and ammunition therefor as may be permitted by rules made under the Arms and Explosives Act, and in respect of which all conditions prescribed in such rules are observed), or munitions of war (including gas in any form suitable for warlike purposes), save for the purposes of the provisions of any order made under section 3 relating to signals; or
Cap. 13.
(b) photographic apparatus, unless packed in such a manner that it cannot be used in the aircraft, and sealed by the person in charge of the aircraft before the aircraft flies over that protected area:
Provided that this paragraph shall not apply to photographic apparatus allowed to be used by a person in accordance with the terms of a permit issued to him under subsection (3).
(3)
(a) No person shall take from an aircraft any photograph of a protected area except in accordance with the terms and conditions in such permit as the Authority may see fit to issue to him.
(b) It may be a term or condition of such permit that any photograph taken under the permit must immediately be submitted for examination to such authority as is specified in the permit.
(c) A person who observes all the terms and conditions of a permit shall not be guilty of an offence under section 3 of the Official Secrets Act in respect of a photograph taken in accordance with the terms and conditions of the permit.
Cap. 213.
(4) It shall be the duty of the person in charge of the aircraft to ensure that any photographic apparatus carried in the aircraft is not used while the aircraft is flying over any protected area, and that the seals with which the apparatus is sealed are not broken within any protected area without the sanction of the Director-General of Customs or his agent.
(5) The Director-General of Customs or his agent may seize and develop, without paying compensation, any photographic films or plates carried in the aircraft, which he may reasonably suspect of having been used in contravention of any provision of this Act or of the Official Secrets Act.