Protocol tot bestrijding van wederrechtelijke daden van geweld op luchthavens voor de internationale burgerluchtvaart bij het Verdrag tot bestrijding van wederrechtelijke gedragingen tegen de veiligheid van de burgerluchtvaart, gedaan te Montreal op 23 september 1971

This Protocol supplements the Convention for the Suppression of Unlawful Acts against the Safety of Civil Aviation, done at Montreal on 23 September 1971 (hereinafter referred to as “the Convention”), and, as between the Parties to this Protocol, the Convention and the Protocol shall be read and interpreted together as one single instrument.

1. In Article 1 of the Convention, the following shall be added as new paragraph 1 bis:
"1 bis. Any person commits an offence if he unlawfully and intentionally, using any device, substance or weapon: (a) performs an act of violence against a person at an airport serving international civil aviation which causes or is likely to cause serious injury or death; or
(b) destroys or seriously damages the facilities of an airport serving international civil aviation or aircraft not in service located thereon or disrupts the services of the airport, if such an act endangers or is likely to endanger safety at that airport."
(a) performs an act of violence against a person at an airport serving international civil aviation which causes or is likely to cause serious injury or death; or
(b) destroys or seriously damages the facilities of an airport serving international civil aviation or aircraft not in service located thereon or disrupts the services of the airport, if such an act endangers or is likely to endanger safety at that airport."
2. In paragraph 2 (a) of Article 1 of the Convention, the following words shall be inserted after the words "paragraph 1":
"or paragraph 1 bis".

In Article 5 of the Convention, the following shall be added as paragraph 2 bis:
"2 bis. Each Contracting State shall likewise take such measures as may be necessary to establish its jurisdiction over the offences mentioned in Article 1, paragraph 1 bis,and in Article 1, paragraph 2, in so far as that paragraph relates to those offences, in the case where the alleged offender is present in its territory and it does not extradite him pursuant to Article 8 to the State mentioned in paragraph 1 (a) of this Article."

This Protocol shall be open for signature at Montreal on 24 February 1988 by States participating in the International Conference on Air Law held at Montreal from 9 to 24 February 1988. After 1 March 1988, the Protocol shall be open for signature to all States in London Moscow, Washington and Montreal, until it enters into force in accordance with Article VI.

1. The Depositaries shall promptly inform all signatory and acceding States to this Protocol and all signatory and acceding States to the Convention:
(a) of the date of each signature and the date of deposit of each intrument of ratification of, or accession to, this Protocol, and
(b) of the receipt of any notification of denunciation of this Protocol and the date thereof.
2. The Depositaries shall also notify the States referred to in paragraph 1 of the date on which this Protocol enters into force in accordance with Article VI.

1. This Protocol shall be subject to ratification by the signatory States.
2. Any State which is not a Contracting State to the Convention may ratify this Protocol if at the same time it ratifies or accedes to the Convention in accordance with Article 15 thereof.
3. Instruments of ratification shall be deposited with the Governments of the Union of Soviet Socialist Republics, the United Kingdom of Great Britain and Northern Ireland and the United States of America or with the International Civil Aviation Organization, which are hereby designated the Depositaries.

1. As soon as ten of the signatory States have deposited their instruments of ratification of this Protocol, it shall enter into force between them on the thirtieth day after the date of the deposit of the tenth instrument of ratification. It shall enter into force for each State which deposits its instrument of ratification after that date on the thirtieth day after deposit of its instrument of ratification.
2. As soon as this Protocol enters into force, it shall be registered by the Depositaries pursuant to Article 102 of the Charter of the United Nations and pursuant to Article 83 of the Convention on International Civil Aviation (Chicago, 1944).

1. This Protocol shall, after it has entered into force, be open for accession by any non-signatory State.
2. Any State which is not a Contracting State to the Convention may accede to this Protocol if at the same time it ratifies or accedes to the Convention in accordance with Article 15 thereof.
3. Instruments of accession shall be deposited with the Depositaries and accession shall take effect on the thirtieth day after the deposit.

1. Any Party to this Protocol may denounce it by written notification addressed to the Depositaries.
2. Denunciation shall take effect six months following the date on which notification is received by the Depositaries.
3. Denunciation of this Protocol shall not of itself have the effect of denunciation of the Convention.
4. Denunciation of the Convention by a Contracting State to the Convention as supplemented by this Protocol shall also have the effect of denunciation of this Protocol.