getting to grips with
A320 Family performance retention and fuel savings
Issue 1 - October 2006

TABLE OF CONTENTS

1. Introduction....................................................................................................... 4

2. Industry issues................................................................................................. 8

3. Initiatives ........................................................................................................... 9

3.1. Introduction..........................................................................................9

3.2. Operational Initiatives ........................................................................10

3.2.1. Aircraft operations ..............................................................................10

3.2.2. Cost index ...........................................................................................10

3.2.3. Fuel economy ......................................................................................11

3.2.3.1. Cruise speed.........................................................................................11

3.2.3.2. Flight Level...........................................................................................13

3.2.3.3. Flight Plan accuracy ...............................................................................14

3.2.3.4. Aircraft performance degradation.............................................................15

3.2.3.5. Fuel reserves ........................................................................................15

3.2.4. Operational procedures.......................................................................17

3.2.4.1. Fuel tankering.......................................................................................17

3.2.4.2. APU use ...............................................................................................17

3.2.4.3. Engine warm-up and cool-down periods....................................................18

3.2.4.4. Single Engine Taxiing.............................................................................18

3.2.4.5. High power operation at low aircraft speeds ..............................................19

3.2.4.6. Bleed Air Use........................................................................................20

3.2.4.7. Take-off Flap Setting..............................................................................21

3.2.4.8. Departure direction................................................................................21

3.2.4.9. Take-off Acceleration Altitude..................................................................22
　
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