Page:United States Statutes at Large Volume 49 Part 2.djvu/1651

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CERTIFICATES OF AIRWORTHINESS-GREAT BRITAIN. (b) The competent United Kingdom authorities shall, where necessary, afford the competent United States authorities facilities for dealing with" noncompulsory modifications" which are such as to affect the validity of certificates of airworthiness validated under the terms of this Note or any of the other original conditions of validation. They will similarly give facilities for dealing with cases of major repairs carried out otherwise than by the fitting of spare parts supplied by the original constructors. 12. The competent United States authorities will, if so required and insofar as may be practicable, provide facilities for the tuition of technical officers of the United Kingdom in the special inspec- tional methods in use in the United States for any particular type of aircraft or aero engine. 13. The competent United States and United Kingdom authorities shall exchange full and frank information as to the performance of any aircraft of which the certificate of airworthiness has been vali- dated under the terms of this Note on any matter of material importance for reasons of safety. 14. The competent United States and United Kingdom authorities shall each have the right to determine absolutely the interpretation of their regulations on any point of doubt or difficulty which may arise in the application of their own standard of airworthiness. 15. The question of the procedure to be followed in the application of the above provisions shall be the subject of direct correspondence, where necessary, between the competent United States and United Kingdom authorities. 16. The Government of the United States may terminate the ar- rangements set out in this Note at any time by means of a notifica- tion in writing addressed to the Government of the United Kingdom to take effect two calendar months after the date of its receipt. 17. I shall be glad if Your Excellency will inform me whether the Government of the United Kingdom concurs in the terms of this Note and regards them as affording the reciprocal treatment referred to in Your Excellency's Note under reply. I have the honor to suggest, in that event, that the arrangements set out in the two Notes shall take effect one calendar month from this day's date. Accept, Excellency, the renewed assurances of my highest consid. eration. His Excellency The Honorable Sir RONALD LINDSAY, P.C., G.C.M.G., K.C.ll., C.V.0., British Amb~'18ador. CORDELL HULL 3657