One/two engine taxi 一台/两台发动机滑行(3)

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 Not recommended at high gross weight or uphill slope
High thrust increases Foreign Object ingestion risk
– Engine damage
Slow or tight taxi turn more difficult at high gross weight
 Not recommended on slippery taxiways
More difficult to steer with asymmetric thrust
© AIRBUS 2005 S.A.S. All rights reserved. Confidential and proprietary document.
One/two engine taxi 14 14th Performance & Operations Conference Bangkok, 4-8 April 2005
Airbus recommendations before applying engine out taxi
 Respect of the engine stabilization times
Minimum of 2 min engine warm up and 3 min cooldown time
To thermally stabilize the engine hot sections
 In case of mechanical event,return to the gate may be
required for maintenance action
© AIRBUS 2005 S.A.S. All rights reserved. Confidential and proprietary document.
One/two engine taxi 15 14th Performance & Operations Conference Bangkok, 4-8 April 2005
Contents
 Introduction
 Why should I perform an “engine out” taxi ?
 When should I perform an “engine out” taxi ?
F.A.Q. :
Do I need APU ?
Can I perform an “engine out” taxi in icing conditions ?
Can I brake during engine start/shutdown on S.A. ?
Can I perform the flight control check ?
 Conclusion
© AIRBUS 2005 S.A.S. All rights reserved. Confidential and proprietary document.
One/two engine taxi 16 14th Performance & Operations Conference Bangkok, 4-8 April 2005
F.A.Q.
 Do i need APU to taxi with engine out ?
APU use considered in the engine out taxi :
– APU use part of the SOP
– Minimize electrical transients
– Prevent smells/fumes entering the air conditioning during taxi in
 Start APU before arriving at the gate and before engine
shutdown
Minimizing APU use helps save fuel and reduces maintenance
– APU max consumption : between 125 (SA) and 290 kg/hr (A3456)
But APU is not necessary for engine out taxi
© AIRBUS 2005 S.A.S. All rights reserved. Confidential and proprietary document.
One/two engine taxi 17 14th Performance & Operations Conference Bangkok, 4-8 April 2005
Contents
 Introduction
 Why should I perform an “engine out” taxi ?
 When should I perform an “engine out” taxi ?
 F.A.Q. :
Do I need APU ?
Can I perform an “engine out” taxi in
icing conditions ?
Can I brake during engine start/shutdown on S.A. ?
Can I perform the flight control check ?
 Conclusion
© AIRBUS 2005 S.A.S. All rights reserved. Confidential and proprietary document.
　
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