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Doc 9817. Edition 1
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Manual on Low-level Wind Shear
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Manual onLow-level Wind ShearFirst Edition2005Doc 9817AN/449International CivilAviation OrganizationApprovedbytheSecretaryGeneralandpublishedunderhisauthority
ManualonLow-levelWindShearFirstEdition2005Doc9817AN/449InternationalCivilAviationOrganizationApprovedbytheSecretaryGeneralandpublishedunderhisauthority
Published in separate English, French, Russian and Spanish editions by the INTERNATIONAL CIVIL AVIATION ORGANIZATION 999 Robert-Bourassa Boulevard, Montral, Quebec, Canada H3C 5H7 For ordering information and for a complete listing of sales agents and booksellers, please go to the ICAO website at www.icao.int First edition, 2005 Doc 9817, Manual on Low-level Wind Shear Order Number 9817 ISBN 978-92-9231-635-8 print version ISBN 978-92-9265-349-1 electronic version ICAO 2005 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, without prior permission in writing from the International Civil Aviation Organization.
ii AMENDMENTS Amendments are announced in the supplements to the Catalogue of ICAO Publications the Catalogue and its supplements are available on the ICAO website at www.icao.int. The space below is provided to keep a record of such amendments. RECORD OF AMENDMENTS AND CORRIGENDA AMENDMENTS CORRIGENDA No. Date Entered by No. Date Entered by 1 26/9/08 ICAO 1 17/11/05 ICAO 2 21/2/11 ICAO 3 29/6/18 ICAO 4 8/4/21 ICAO
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Table Of Contents
COVER PAGE
AMENDMENTS
FOREWORD
TABLE OF CONTENTS
Chapter 1. INTRODUCTION
Chapter 2. CHARACTERISTICS OF LOW-LEVEL WIND SHEAR
2.1 WIND
2.2 SPATIAL VARIATION OF WIND
2.3 CALCULATION OF WIND SHEAR
2.4 UNITS OF MEASUREMENT FOR WIND SHEAR
2.5 LIMITATIONS ON PRACTICAL APPLICATION OF METHODS FOR CALCULATING WIND SHEAR
Chapter 3. METEOROLOGICAL CONDITIONS AND PHENOMENA THAT CAUSE LOW-LEVEL WIND SHEAR
3.1 WIND PROFILE IN THE LOWER LEVELS
3.2 WIND FLOW AROUND OBSTACLES
3.3 WIND FLOW ASSOCIATED WITH FRONTAL SURFACES
3.4 LAND/SEA BREEZE
3.5 THUNDERSTORMS
3.6 CLIMATOLOGY OF CONVECTIVE WIND SHEAR
3.7 STATISTICS OF LOW-LEVEL WIND SHEAR IN THE VICINITY OF AERODROMES
3.8 WAKE VORTICES
3.9 AERODYNAMIC PENALTIES OF HEAVY RAIN
Chapter 4. EFFECT OF LOW-LEVEL WIND SHEAR ON AIRCRAFT PERFORMANCE
4.1 GENERAL
4.2 AIRCRAFT PERFORMANCE IN PARTICULAR WIND SHEAR CONDITIONS
4.3 AIRCRAFT PERFORMANCE IN WIND SHEAR AND THE TECHNIQUES AVAILABLE TO PILOTS TO RECOGNIZE AND COPE WITH SUCH SITUATIONS
Chapter 5. OBSERVING, FORECASTING AND REPORTING OF LOW-LEVEL WIND SHEAR
5.1 OBSERVING WIND SHEAR — GROUND-BASED AND AIRBORNE OBSERVATIONS
5.2 FORECASTING WIND SHEAR
5.3 REPORTING WIND SHEAR
Chapter 6. TRAINING
6.1 GENERAL
6.2 OBJECTIVES OF FLIGHT CREW TRAINING
6.3 FLIGHT CREW GROUND TRAINING
6.4 FLIGHT AND SIMULATOR TRAINING
6.5 FAA INTEGRATED WIND SHEAR TRAINING PROGRAMME
6.6 TRAINING FOR AIR TRAFFIC CONTROL PERSONNEL
6.7 TRAINING FOR METEOROLOGISTS
6.8 TRAINING ASPECTS OF REPORTING WIND SHEAR
6.9 SUMMARY
Appendix 1. STATEMENT OF OPERATIONAL REQUIREMENTS
Appendix 2. RECOMMENDATIONS OF THE UNITED STATES NATIONAL ACADEMY OF SCIENCES COMMITTEE ON LOW-ALTITUDE WIND SHEAR AND ITS HAZARD TO AVIATION (1983)
Appendix 3. MATHEMATICAL ANALYSIS OF THE EFFECT OF WIND SHEAR ON LIFT
Appendix 4. WIND SHEAR AND TURBULENCE ALERTING IN HONG KONG SPECIAL ADMINISTRATIVE REGION (SAR) OF CHINA
Appendix 5. UHF WIND PROFILER AT THE NICE CÔTE D’AZUR AIRPORT
Appendix 6. LOW-ALTITUDE WIND SHEAR SYSTEM EQUIPMENT REQUIREMENTS
APPENDIX 7. Wind Shear Simulation Data Sets
Appendix 8. FORECASTING RULES
Appendix 9. B737 SUPPLEMENTARY PROCEDURES —ADVERSE WEATHER AND NON-NORMAL MANOEUVRES
GLOSSARY OF TERMS
BIBLIOGRAPHY