61 STAT.] MULTILATERAL-CIVIL AVIATION-DEC. 7 , 1944 Article SO (a) Aircraft of each contracting State may, in or over equipment the territory of other contracting States, carry radio transmitting apparatus only if a license to install and operate such apparatus has been issued by the appro- priate authorities of the State in which the aircraft is registered. The use of radio transmitting apparatus in the territory of the contracting State whose territory is flown over shall be in accordance with the regulations prescribed by that State. (b) Radio transmitting apparatus may be used only by members of the flight crew who are provided with a special license for the purpose, issued by the appropriate authorities of the State in which the aircraft is registered. Article 31 Every aircraft engaged in international navigation Certificates of airworthiness shall be provided with a certificate of airworthiness issued or rendered valid by the State in which it is registered. Article S2 (a) The pilot of every aircraft and the other members Licenses of of the operating crew of every aircraft engaged in inter- national navigation shall be provided with certificates of competency and licenses issued or rendered valid by the State in which the aircraft is registered. (b) Each contracting State reserves the right to refuse to recognize, for the purpose of flight above its own terri- tory, certificates of competency and licenses granted to any of its nationals by another contracting State. Article 33 Recognition of Certificates of airworthiness and certificates of corm- tiftes and petency and licenses issued or rendered valid by the con- ilenses tracting State in which the aircraft is registered, shall be recognized as valid by the other contracting States, provided that the requirements under which such cer- tificates or licenses were issued or rendered valid are equal to or above the minimum standards which may be established from time to time pursuant to this Conven- tion. Article 34 There shall be maintained in respect of every aircraft Joney log engaged in international navigation a journey log book in which shall be entered particulars of the aircraft, its crew and of each journey, in such form as may be pre- scribed from time to time pursuant to this Convention. 1189
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