Annex 10, Volume I Fifth Edition Corrigendum English/French/Russian/Spanish 3 1/3/03 INTERNATIONAL STANDARDS AND RECOMMENDED PRACTICES AERONAUTICAL TELECOMMUNICATIONS ANNEX 10 TO THE CONVENTION ON INTERNATIONAL CIVIL AVIATION VOLUME I Radio Navigation Aids FIFTH EDITION - JULY 1996 1. Please replace existing pages 19 and 20 dared 111 1/01 by the attached new pages bearing the notation "Corr.". 2. Record the entry of this corrigendum on page ii.
Chapter 3 Annex 10 - Aeronautic Telecommunications Sequence number 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Lomlizer MHz 109.3 109.1 110.9 11 0.7 110.5 108.1 108.3 108.5 108.7 108.9 111.1 111.3 11 1.5 11 1.7 111.9 Glide puth MHz 184.108.40.206 Where existing LS localizers meeting national requirements are operating on frequencies ending in even tenths of a megahertz, they shall be re-assigned frequencies, conforming with 220.127.116.11 or 18.104.22.168.1 as soon as pracicable and may continue operating on their present assignments only until this re-assignment can be effected. 22.214.171.124 Existing ILS localizers in the international service operating on frequencies ending in odd tenths of a megahertz shall not be assigned new frequencies ending in odd tenths plus one twentieth of a megahertz except wherc, by regional agreement, general use may be made of any of the channels listed in 126.96.36.199 see Volume V, Chapter 4, 4.2. 3.1.7 VHF marker beacons 188.8.131.52 General a There shall be two marker beacons in each installation cxcept as provided in 184.108.40.206.6. A third marker beacon inay be added whenever, in thc opinioil of the Compelent Authority, an additional beacon is required because of operational procedures at a particular dte. b The marker beacons shall conform to the requirements prescribed in 3.1.7. When the installation comprises only two marker beacons, the requircmenls applicablc to the middle marker and to the outer marker shall be complied with. C The marker beacons shall produce radiation patterns to indicate predetermined distance from the threshold along the ILS glide path. 220.127.116.11.1 Whcn a marker beacon is used in conjunction with the back course of a localizer, it shall conform with the marker beacon characteristics specified in 3.1.7. 18.104.22.168.2 Identification signals of marker beacons used in conjunction with the back coursc of a localizer shall be clearly distinguishable from the inner, middle and outer marker beacon identifications, as prescribed in 22.214.171.124.1. 126.96.36.199 Radio frequency 188.8.131.52.1 The markcr bcacons shall operatc at 75 MHz with a frequency tolerance of plus or minus 0.005 per cent and shall utilize horizontal polarization. 184.108.40.206.1 Thc marker beacon system shall be adjusted 10 provide coverage over 111c Pollowing distances, measured on thc ILS glidc path and localizcr coursc line a in,ner marker where installed 150 m plus or minus 50 m 500 ft plus or minus 160 ft b middle marker 300 m plus or minus 100 m 1 000 ft plus or minus 325 8 C outer marker 600 m plus or minus 200 m 2 000 ft plus or minus 650 ft. 220.127.116.11.2 Thc Picld strength at the limits of coverage speciricd in 18.104.22.168.1 shall be 1.5 millivolts per metre minus 82 dBW/m2. In addition, the field strength within the coverage area shall rise to at least 3.0 millivolts per metre minus 76 dBW/m2. Note 1.- In file design of the ground antennu, it is udvisable to ensnre tlzat an ndeqnntc rute of change of field strength is provided ar the edges r,f coverage It 1s ulso advisable to ensure that aircraft witlzin the localiier course sector will receive visual indicafion. Note 2.- SutisfCLctoly opei-ution of u typical airbonze marker izstallatioz will be obtained ij the sensitivity is so 3113103 Corr. 1111101 No. 76
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