4012 INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [61 STAT. described in the preceding paragraph is available, subject to reduction in power and adjustment of frequency where necessary in the European region. DOC.9 .232 GEN. P. 38 (corrected) 24/5/46. Extract from Report of the P.I .C .A.O . European-Mediterranean Air Navigation Meeting held in Paris between 24th April and 15th May. 3. Radio aids to approach and landing and standardisation of methods of approach and landing. The Conference endorses the recommendations made at the DUBLIN Conference concerning the adoption as the future international stand- ard of a system equivalent to Scs 51, comprising VHF runway localizer, UHF Glide Path and boundary marker and other marker beacons, with the addition as an optional installation, of one or more low powered L. F . ./M.F . marker beacons. In addition the Conference recommends that: (a) The PIcAO standards I.L .S . should be installed as rapidly as possible at all international airports and that the military ver- sion of the standard I.L .S . should be retained where it already exists. (b) S.B .A . (Lorenz) equipment should be installed or retained at airports used by aircraft not fitted with the airborne equipment of the PICAo Standard system. (c) Ground D/F or radio range equipment used for approach and landing purposes, should be installed or retained at airports used by aircraft not fitted with airborne equipment of either SBA or the PICAO standard system. (d) V.H .F.D .F. equipment should be installed as soon as possible on the approach lines of international airports.
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