148 Damaging, destroying or prejudicing the safe operation of an aircraft Any person who, without lawful reason (a) intentionally damages or destroys an aircraft; or (b) does or omits to do anything with the intention or realising that there is a real risk or possibility of prejudicing the safe operation of an aircraft; shall be guilty of damaging, destroying or prejudicing the safe operation of an aircraft and liable to imprisonment for a period not exceeding twenty-five years. 149 Assaulting, intimidating or threatening a person on an aircraft Any person who, without lawful reason, assaults, intimidates or threatens any person aboard an aircraft with the intention or realising that there is a real risk or possibility of interfering with the performance of the functions of any member of the crew of that aircraft, or with the intention or realising that there is a real risk or possibility of lessening the ability of such member to perform those functions, shall be guilty of assaulting, intimidating or threatening a person on an aircraft, and liable to imprisonment for a period not exceeding five years. 150 Placing or carrying dangerous goods on an aircraft (1) Subject to subsection (2), any person who, without lawful reason (a) places or carries any dangerous goods aboard an aircraft; or (b) causes any dangerous goods to be placed or carried aboard an aircraft; or (c) delivers dangerous goods to a person for the purpose of their being placed aboard an aircraft; or (d) has dangerous goods in his or her possession aboard an aircraft; shall be guilty of placing or carrying dangerous goods on an aircraft and liable to imprisonment for a period not exceeding fifteen years. (2) Subsection (1) shall not apply to the placing, carrying, causing to be placed or carried, delivery or possession of dangerous goods on board an aircraft (a) with the consent of the owner or operator of the aircraft, given with the knowledge of the nature of the goods; or (b) in accordance with the Civil Aviation Act [Chapter 13:16] or any regulations made thereunder; or (c) by a person in the course of his or her lawful duties as an employee of the State. 151 Threatening harm in relation to an aircraft Any person who, without lawful reason (a) threatens; or (b) states that it is his or her intention; or (c) makes a statement from which it can reasonably be inferred that it is his or her intention; to damage, destroy or prejudice the safe operation of an aircraft or to kill, injure or harm any person aboard an aircraft, shall be guilty of threatening harm in relation to an aircraft, and liable to imprisonment for a period not exceeding five years. 152 Falsely threatening harm in relation to an aircraft Any person who, without lawful reason, makes a statement knowing that it is false or realising that there is a real risk or possibility that it may be false to the effect that, or from which it can reasonably be inferred that, there has been or is to be a plan, proposal, attempt, conspiracy or threat (a) unlawfully to take or exercise control over an aircraft; or (b) unlawfully to destroy, damage or prejudice the safe operation of an aircraft; or (c) unlawfully to kill or injure any person aboard an aircraft; shall be guilty of falsely threatening harm in relation to an aircraft and liable to a fine up to or exceeding level fourteen or imprisonment for a period not exceeding five years or both. 153 Proof of lawful reason for conduct in relation to aircraft The burden of proving any fact or circumstance which would constitute a lawful reason for conduct which, in the absence of such reason, would be a crime in terms of this Part, shall rest on the person charged with the crime concerned. 154 Charges alternative to or concurrent with charges under Part VI of Chapter VI If a person commits any crime specified in this Part (a) in pursuance of an act of insurgency, banditry, sabotage or terrorism as defined in section nineteen, the person may be charged concurrently or alternatively with insurgency, banditry, sabotage or terrorism; or (b) that results in or was intended to cause the death of another person, whether or not in pursuance of an act referred to in paragraph (a), the person may be charged concurrently with murder or attempted murder.