place or makes them invalid or useless. Article 240 Whoever purposely destroys or damages a light, a lighthouse, a buoy or any other objects used in navigation, or changes their position or makes them inoperable or useless shall be punished with imprisonment for a term not exceeding five years. Article 241 Whoever purposely destroys or damages any device, machine, or other object of first aid, firefighting, life guarding, or other apparatus intended to prevent other accidents, and in case of changing their position causing them to become inoperable or useless shall be punished with imprisonment for a term not exceeding three years. The same penalty shall be imposed on any person who is responsible, by virtue of the law or draft laws, for looking after the objects mentioned in the preceding Article but who fails to ensure their proper installation or make them inoperable or useless. Article 242 Whoever makes any public street or bridge inoperable or unsafe for traffic shall be punished with imprisonment for a term not exceeding five years. Article 243 Whoever accidently commits one of the offences stipulated in this Chapter shall be punished with imprisonment for a term not exceeding one year and/ a fine not exceeding five thousand Qatari Riyals (QR 5.000). Chapter Three Transgression on Means of Transportation Article 244 Whoever purposely sinks any maritime means of transportation or damages them in any way shall be punished with imprisonment for a term not exceeding fifteen years. The offender, on conviction, shall be liable to the death sentence if the offence has resulted in the death of another person. Article 245 Whoever hijacks or alters the course of a plane or a ship or takes the merchandise onboard, or harms any person onboard, and if this action causes the death of a person, the offender shall, on conviction, be liable to the death sentence shall be sentenced to life imprisonment. The penalty shall be imprisonment for a term not exceeding five years if the offender returns the ship or the plane to the captain or to the person legally in control of the vessel, without causing any damages to the ship, the plane or the merchandise or harming any person on board.