Date post: | 23-Dec-2015 |
Category: |
Documents |
Upload: | gerald-brooks |
View: | 217 times |
Download: | 0 times |
Operational Landing DistancesImplementing the TALPA ARC proposals
International Air Safety Seminar 2011
Airbus Operational Landing Distances
Presented byLars KORNSTAEDT / Performance Expert, Airbus Flight Operations Support
International Air Safety Seminar – Singapore November 1-3, 2011
TALPA ARC Concepts
International Air Safety Seminar 2011
Airbus Operational Landing Distances
Page 2
FAA TALPA ARC – Runway Assessment Matrix
International Air Safety Seminar 2011
Airbus Operational Landing Distances
Code
2
Runway Contaminant
Greater than 1/8” of:•Water•Slush
Mu (µ)
~29-21µ
Deceleration and Directional Control Observation
Brake deceleration and controllability is between
Medium and Poor.Potential for hydroplaning
exists.
PiRep
Mediumto
Poor
DOWNGRADEONLY
•Always start assessment with contaminant type and depth
•Use additional information to• Degrade to lower friction code
• Never upgrade
•Careful with friction reports• May be optimistic on fluid contaminants
•Do not hesitate to request additional information from ATC
International Air Safety Seminar 2011
Airbus Operational Landing Distances
Procedure
Examples
International Air Safety Seminar 2011
Airbus Operational Landing Distances
Compact SnowBraking Action Medium
Wet in Heavy RainStorm Cells above Airport
Dry Snow over Ice,Braking Action Medium
Compact SnowOAT 1ºC Dewpoint 1ºC
TALPA Rules in a Nutshell
International Air Safety Seminar 2011
Airbus Operational Landing Distances
• Provide Runway Status Reports• Using Matrix and associated methodology
• In a performance oriented way
• Publish Realistic Landing Performance Data• In accordance with agreed rules
• For all supported aircraft types
• Make Systematic Landing Performance Check• In all cases except for dry runway
• Apply a 15% margin to the result
Situation for Airbus – BEFORE
• Publication for in-flight use• Unfactored certified reference distances used for dispatch
• For incomplete list of contaminant types and depths
• Coverage of loose snow by equivalence only
• Inconsistent assumptions between dry/wet and contaminants for airborne phase
• Operators must define their own margins
• Pilots have difficulty in using published data with diverse runway condition reporting methods
International Air Safety Seminar 2011
Airbus Operational Landing Distances
• For all Airbus aircraft• At least “Minimum Compliance” with TALPA ARC
• Cover all 6 friction levels
• Accountability for• Temperature effect
• Runway slope effect
• Matrix as entry-point
• All Performance data sources• Flight Ops Engineer Software
• Flight Manual
• Operational Documentation
• Electronic Flight Bag
• Training Material
Airbus Operational Landing Distances
Airbus Situation – AFTER
International Air Safety Seminar 2011
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
International Air Safety Seminar 2011
Airbus Operational 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)
21-24 March 2011 17th Flight Safety Conference
Page 10
Airbus Implementation Schedule
International Air Safety Seminar 2011
Airbus Operational Landing Distances
Operational Documentation - QRH
International Air Safety Seminar 2011
Airbus Operational Landing Distances
EFB Landing Application
International Air Safety Seminar 2011
Airbus Operational Landing Distances
EFB Landing Application
International Air Safety Seminar 2011
Airbus Operational Landing Distances
EFB Landing Application
International Air Safety Seminar 2011
Airbus Operational Landing Distances
Conclusion
International Air Safety Seminar 2011
Airbus Operational Landing Distances
• Airbus adopts TALPA ARC standard for in-flight landing performance including for non-normal and in ROPS
• Realistic computation basis for all winter runway conditions
• In current environment, pilot must compensate for non yet compliant Runway Condition Reporting
• Major safety step change requires