1. For the purposes of this Convention, an aircraft is considered to be in flight at any time from the moment when all its external doors are closed following embarkation until the moment when any such door is opened for disembarkation. In the case of a forced landing, the flight shall be deemed to continue until the competent authorities take over the responsibility for the aircraft and for persons and property on board.
2. This Convention shall not apply to aircraft used in military, customs or police services.
3. This Convention shall apply only if the place of take-off or the place of actual landing of the aircraft on board which the offence is committed is situated outside the territory of the State of registration of that aircraft; it shall be immaterial whether the aircraft is engaged in an international or domestic flight.
4. In the cases mentioned in Article 5, this Convention shall not apply if the place of take-off and the place of actual landing of the aircraft on board which the offence is committed are situated within the territory of the same State where the State is one of those referred to in that Article.
5. Notwithstanding paragraphs 3 and 4 of this Article, Articles 6, 7, 8 and 10 shall apply whatever the place of take-off or the place of actual landing of the aircraft, if the offender or the alleged offender is found in the territory of a State other than the State of registration of that aircraft.