operational landing distances
TRANSCRIPT
Operational Landing DistancesImplementing TALPA ARC
SAPOE Meeting 2011Operational Landing Distances
Presented byThierry PAYA-ARNAUD / Performance Expert, Airbus Flight Operations Support
SAPOE October 6-7, 2011
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
PERFORMANCE
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Definition of Operational Landing Distance
• Realistic airborne part
• 6 braking performance levels• Labelled by Reported Braking Action (RBA)• Good, Medium, Poor and intermediates• Matrix becomes compulsory point of entry
SAPOE Meeting 2011Operational Landing Distances
• All relevant parameters considered• Pressure altitude• Planned approach speed• Outside temperature and wind• Runway slope• Reverse thrust use
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6 friction levels
SAPOE Meeting 2011Operational Landing Distances
0.1
0.2
0.3
0.4
0.5
0.6
20m/s 40m/s 60m/s 80m/s 100m/s
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Landing Distance Definitions
SAPOE Meeting 2011Operational Landing Distances
50ft
TouchdownVTD
ThresholdVAPP
Airborne Distance
µBSpray ImpingementDrag Aquaplaning
Displacement Drag
• ALD – Actual Landing Distance• RLD – Required Landing Distance (Dispatch) = ALD x FDISPATCH
• OLD – Operational Landing Distance• FOLD – Factored Operational Landing Distance = OLD x 1.15
Ground DistanceFull Stop
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Landing Distances: Legacy vs. TALPA ARC
SAPOE Meeting 2011Operational Landing Distances
Air GroundMargin
ALD
OLD FOLD
DRYDRY
WETGOOD
COMPACTED SNOWGOOD TO MEDIUM
SLUSHMEDIUM TO POOR
STANDING WATERMEDIUM TO POOR
ICEPOOR
500m 1000m 1500m 2000m 2500m 3000m
BOTH BASED ON MAX BRAKING FROM TOUCHDOWN
LOOSE SNOWMEDIUM
NO CURRENT STANDARD
RLD
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A320 in Tegucigalpa / Honduras
MHTG/TGU RWY 02
LDA 5410ft / 1649m
Elevation 3287ft
CONF FULL / VREF+5 / no wind / OAT 20ºC
LW
Dry 64.5t
Wet 59.9t
Standing Water 53.8t
SAPOE Meeting 2011Operational Landing Distances
Limited by MLW / Dispatch
OLD FOLD
Dry 1330m 1520m (no rev)
Good 1600m 1830m (all rev)
Med to Poor 1910m 2200m (all rev)
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IMPLEMENTATION BY AIRBUS
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Rulemaking Update
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
21-24 March 2011 17th Flight Safety Conference
Page 10
Airbus Implementation Schedule
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
• For all Airbus aircraft• At least “Minimum Compliance” with new principles
• Cover all 6 friction levels• Accountability for
• Temperature effect• Runway slope effect• Approach speed increment effect
• All Performance data sources• Flight Ops Engineer Software• Flight Manual• Operational Documentation• Electronic Flight Bag• Training Material
Operational Landing Distances
OLD Implementation by Airbus
SAPOE Meeting 2011
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Operational Documentation - QRH
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
EFB Landing Application
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
EFB Landing Application
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
EFB Landing Application
SAPOE Meeting 2011Operational Landing Distances
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
Conclusion
SAPOE Meeting 2011Operational Landing Distances
• Airbus adopts TALPA ARC standard for in-flight landing performance
• Realistic computation basis for all winter runway conditions
• In current environment, pilot must compensate for non yet compliant Runway Condition Reporting
• Major safety improvement requires
© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
SAPOE Meeting 2011Operational Landing Distances
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