INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [61 STAT. Services by Govern- ment of Siam. Operationandmain- tenance. AGREEMENT BETWEEN THE GOVERNMENT OF SIAM AND THE GOVERNMENT OF THE UNITED STATES OF AMERICA The Government of Siam, in consideration of the transfer to the Government of Siam by the Government of the United States of America of certain air navigation, air communication and weather facilities situated at Don Muang Airport in the District of Bangkhen and also at Bangkapi in Siam (in this Agreement referred to as "the facilities") agrees with the Government of the United States of America as follows. I. To operate and maintain the facilities continuously in a manner adequate for the air traffic operating to and away from the Don Muang aerodrome and along the recognised international air routes con- verging on that aerodrome, and, to ensure this standard of service, to abide by approved Provisional International Civil Aviation Organi- sation standards of operation unless and until those standards are changed by any other international agreement to which the Govern- ment of Siam and the Government of the United States are both parties. II. To provide the full service of all facilities to all aircraft on a non-discriminatory basis with charges, if any, only for non- operational messages until an international agreement on charges has been promulgated by the Provisional International Civil Aviation Organisation. III. To transmit weather reports as prescribed by the Weather Service of the United States to designated stations of the United States and to such other stations as are necessary to ensure an inte- grated meteorological network for international air-routes unless and until other provision is made by international agreement to which the Government of the United States is a party concerning civil and mili- tary meteorological requirements. IV. To continue the operation of all types of facilities at their origi- nal locations or on new locations mutually agreed by the Government of Siam and the Government of the United States until new facilities are installed in accordance with the standards promulgated by the Provisional International Civil Aviation Organisation or until it is mutually agreed by the Government of Siam and the Government of the United States that there is no longer a need for the original facili- ties, it being understood that such of the original facilities as are 3856
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