HomeTransportation Status Lists ...05. Convention for the Suppression of Unlawful Seizure of Aircraft, done at The Hague December 16, 1970 hide 05. Convention for the Suppression of Unlawful Seizure of Aircraft, done at The Hague December 16, 1970 Depositary – Treaty Affairs Office of Treaty Affairs Entered into force October 14, 1971. In accordance with Article 13, paragraph 3, the Convention entered into force thirty days following the date of the deposit of instruments of ratification by ten States signatory to this Convention which participated in The Hague Conference. In accordance with Article 13, paragraph 4, for other States, this Convention shall enter into force on the date of entry into force of this Convention in accordance with Article 13, paragraph 3, or thirty days following the date of deposit of their instruments of ratification or accession, whichever is later. Download Status List [260 KB] Tags Multilateral Transportation Treaties