Part IV. Provisions to Give Effect to the Convention for the Suppression of Unlawful Acts Against the Safety of Civil Aviation Signed at Montreal on 23 September 1971 and the Protocol for the Suppression of Unlawful Acts of Violence at Airports Serving International Civil Aviation, Concluded at Montreal on 24 February 1988
9. Destroying, damaging or endangering safety of aircraft
(1) Subject to subsection (4), any person who unlawfully and intentionally-
(a) destroys an aircraft in service or so damages such aircraft as to render it incapable of flight or as to likely endanger its safety in flight; or
(b) commits on board an aircraft in flight any act of violence which is likely to endanger the safety of the aircraft; commits an offence under this Act.
(2) Subject to subsection (4), any person who unlawfully and intentionally places or causes to be placed on an aircraft in service any device or substance which is likely to destroy the aircraft or is likely so to damage it as to render it incapable of flight or as to be likely to endanger its safety in flight commits an offence under this Act; but nothing in this subsection shall be construed as limiting the circumstances in which the commission of any act-
(a) may constitute an offence under subsection (1); or
(b) may constitute attempting or conspiring to commit or abetting the commission of such offence.
(3) Except as provided by subsection (4), subsections (1) and (2) apply whether any such act therein mentioned is committed in Malaysia or elsewhere, whatever the State of registration of the aircraft or whatever the nationality or citizenship of the person committing the act.
(4) Subsections (1) and (2) do not apply to any act committed in relation to an aircraft used in military, customs or police service unless–
(a) the act is committed in or over Malaysia; or
(b) where the act is committed outside Malaysia, the person committing the act is a citizen of Malaysia.
10. Other acts endangering or likely to endanger the safety of aircraft
(1) Subject to subsections (5) and (6), any person who unlawfully and intentionally destroys or damages any property to which this section applies or interferes with the operation of such property, where the destruction, damage or interference is likely to endanger the safety of an aircraft in flight, commits an offence under this Act.
(2) Subsection (1) applies to any property used for the provision of air navigation facilities including any land, building or ship so used, and including any apparatus or equipment so used, whether it is on board an aircraft or elsewhere.
(3) Subject to subsections (4) and (5), any person who intentionally communicates any information which is false, misleading or deceptive in a material particular, where the communication of the information endangers the safety of an aircraft in flight or is likely to endanger the safety of an aircraft in flight, commits an offence under this Act.
(4) It shall be a defence for a person charged with an offence under subsection (3) to prove-
(a) that he believed, and had reasonable grounds for believing, that the information was true; or
(b) that, when he communicated the information, he was lawfully employed to perform duties which consisted of or included the communication of information and that he communicated the information in good faith in the performance of those duties.
(5) Subsections (1) and (3) do not apply to the commission of any act unless either the act is committed in Malaysia or, where the act is committed outside Malaysia-
(a) the person committing the act is a citizen of Malaysia;
(b) the commission of the act endangers or is likely to endanger the safety in flight of a civil aircraft registered in Malaysia or chartered by demise to a lessee whose principal place of business or, if he has no place of business, whose permanent residence is in Malaysia;
(c) the act is committed on board a civil aircraft which is registered or so chartered; or
(d) the act is committed on board a civil aircraft which lands in Malaysia with the person who committed the act still on board.
(6) Subsection (1) does not apply to any act committed outside Malaysia and so committed in relation to property which is situated outside Malaysia and is not used for the provision of air navigation facilities in connection with international air navigation, unless the person committing the act is a citizen of Malaysia.
(7) In this section, “civil aircraft” means any aircraft other than an aircraft used in military, customs or police service.
link to complete text of the Act in English: Malaysia-Aviation Offences Act-1984-2012-eng
link to the complete text of the Act in Malay: Malaysia-Aviation Offences Act-1984-2012-zlm