Doc 8400/5 Amendment No. 26 27/11/03 AMENDMENT No. 26 TO THE PROCEDURES FOR AIR NAVIGATION SERVICES ICAO ABBREVIATIONS AND CODES FIFTH EDITION - 1999 INTERNATIONAL CIVIL AVIATION ORGANIZATION
Checklist of Amendments to the PANS-ABC, Doc 8400, Fifth Edition Date of applicability Fifth Edition incorporates Amendments 1-23 Amendment No. 24 approved by the President of the Council of ICAO on behalf of the Council on 9 June 2000 Amendment No. 25 approved by the President of the Council of ICAO on behalf of the Council on 10 July 2002 Amendment No. 26 approved by the President of the Council of ICAO on behalf of the Council on 4 March 2003 Replacement pages v, vi, ix, 7-1 and 7-2 4 November 1999 2 November 2000 28 November 2002 27 November 2003
Transmittal note Amendment No. 26 to the Procedures for Air Navigation Services ICAO ABBREVIATIONS AND CODES Doc 8400 To incorporate Amendment No. 26, which becomes applicable on 27 November 2003 1. Insert the following replacementpages dated 27 November 2003 a Pages v, vi and ix - Foreword b Pages 7-1 and 7-2 - The NOTAM Code - Preface 2. Record the entry of this amendment on page ii.
1. Introduction This document contains abbreviations and codes approved by the Council of ICAO for worldwide use in the international aeronautical telecommunication service and in aeronautical information documents, as appropriate, and uniform abbrevi- ated phraseology for use in pre-flight information bulletins, with the status of Procedures for Air Navigation Services in abbreviated form the PANS-ABC. This document is the outgrowth of study by the Air Navigation Commission in consultation with States in the matter of controlling and coordinating abbreviations and codes. It brings together all abbreviations and codes for use in aircraft operations with the following exceptions a Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services promulgated in Doc 8585. b Data designators and geographical designators for meteorological bulletins given in the Manual of Aero- nautical Meteorological Practice Doc 8896. C Aeronautical meteorological codes given in the Manual of Aeronautical Meteorological Practice Doc 8896. d Additional abbreviations for restricted use in AIS docu- ments given in the Aeronautical Information Services Manual Doc 8 126. e Location Indicators given in Doc 7910. f Aircraft Type Designators given in Doc 8643. Table A shows the origin of each edition of the PANS- ABC issued since 1964 and subsequent amendments thereto, together with a list of the principal subjects involved, the dates on which the amendments were approved by the Council and the dates on which they became applicable. 2. Principles for formulation of abbreviations The principles applied in the formulation of ICAO abbrevi- ations are a that allocation of more than one signification to a single abbreviation should be avoided except where it can be reasonably determined that no instances of misinterpret- ation would arise b that allocation of more than one abbreviation to the same signification should be avoided even though a different use is prescribed C that abbreviations should make use of the root word or words and should be derived from words common to the working languages except that where it is impracticable to apply this princjple to best advantage, the abbreviation should follow the English text d that the use of a singular or plural form for the signification of an abbreviation should be selected on the basis of the more common use e that an abbreviation may represent grammatical variants of the basic signification where such application can be made without risk of confusion and the desired grammatical form can be determined from the context of the message. With respect to the latter principle, several variants are given for a number of abbreviations where it might not be obvious that the variant is appropriate or acceptable. 3. Specifications governing the use of abbreviations Specifications governing the use of the abbreviations and codes are contained in the following ICAO Annexes and PANS a use of abbreviations in the aeronautical information service 3.6.5 of Annex 15 b use of the NOTAM Code 5.2 of Annex 15 c use of abbreviations and codes in the international aero- nautical telecommunications service 3.7 of Annex 10, Volume 11 d use of abbreviations on aeronautical charts 2.3.3 and 2.9 of Annex 4 e use of abbreviations in plain language meteorological messages Chapters 3, 4, 6 and 7, Appendices 1, 2 and 5 and Attachment A of Annex 3 v 2711 1103 No. 26
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