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International Coordinating Council of Aerospace Industries Associations Preventing Runway Excursions Technical solutions From the Design and Manufacturing.

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Presentation on theme: "International Coordinating Council of Aerospace Industries Associations Preventing Runway Excursions Technical solutions From the Design and Manufacturing."— Presentation transcript:

1 International Coordinating Council of Aerospace Industries Associations Preventing Runway Excursions Technical solutions From the Design and Manufacturing Sector By Claude Lelaie ICAO Global Runway Safety Summit1

2 International Coordinating Council of Aerospace Industries Associations ICAO Global Runway Safety Summit2 Main factors of Runway Overrun at landing No approved in-flight realistic operational landing distance Stabilization not achieved at 1000/500 ft Wind shift at low altitude Approach becoming unstable at low altitude Long flare Long derotation Late selection of engine thrust reversers Runway friction coefficient lower than expected Late/weak manual braking (w/o or after AB disc) Failure affecting the landing distances A vast majority of overruns at landing is avoidable Today, main cause of accidents is Runway Excursion

3 International Coordinating Council of Aerospace Industries Associations ICAO Global Runway Safety Summit3 Airport Infrastructures ATC/Crews Operational Procedures Proactive On- Board Technology FSF/IATA Approach and Landing Accident Reduction (ALAR) Toolkit FAA Takeoff and Landing Performance Assessment (TALPA) Aviation Rulemaking Committee (ARC) For Runway Excursion Risk, only a combined prevention approach should be effective As it was for CFIT and Mid-Air collisions For Runway Excursion Risk, only a combined prevention approach should be effective As it was for CFIT and Mid-Air collisions Honeywell SmartLanding TM Honeywell SmartLanding TM Airbus ROPS Airbus ROPS Recommended ICAO Runway End Safety Area (RESA) Arresting System (EMAS) Runway Condition Reporting

4 International Coordinating Council of Aerospace Industries Associations ICAO Global Runway Safety Summit4 Recommended ICAO Runway End Safety Area (RESA) Airport Infrastructures ATC/Crews Operational Procedures Proactive On- Board Technology FSF/IATA Approach and Landing Accident Reduction (ALAR) Toolkit FAA Takeoff and Landing Performance Assessment (TALPA) Aviation Rulemaking Committee (ARC) Like E-GPWS & TCAS, on-board technology will be key to mitigate Runway Excursion Risk But clear different design intents exist Like E-GPWS & TCAS, on-board technology will be key to mitigate Runway Excursion Risk But clear different design intents exist Honeywell SmartLanding TM Honeywell SmartLanding TM Airbus ROPS Airbus ROPS Monitoring of some measured ALA aircraft parameters Monitoring of realistic aircraft landing performance Arresting System (EMAS) Runway Condition Reporting

5 International Coordinating Council of Aerospace Industries Associations ICAO Global Runway Safety Summit5 Smartlanding TM is a Honeywell function of the E-GPWS: – Monitoring A/C speed and position vs. runway threshold – Providing visual/aural annunciations to enhance crew awareness of unstabilized approach – Based on tuning defined by Honeywell (speed, glideslope) or set by airlines (long landing distance) Smartlanding TM main monitorings: – « TOO FAST » alert, – « TOO HIGH » alert, – « UNSTABLE » alert, – « LONG LANDING » alert,... As considered as a non interferent function, no demonstration is requested by FAA on Smartlanding TM tuning relevance

6 International Coordinating Council of Aerospace Industries Associations A bit more on Airbus Runway Overrun Prevention System (ROPS) ICAO Global Runway Safety Summit6 PFD (and HUD) (Below 500 ft) Audio (Below 200 ft) Crew Actions (Below 500 ft) AMM ND line symbols ROW (WET) IF WET: RWY TOO SHORT (amber) None Go-Around if runway is wet / damp or more slippery WET (amber) DRY (magenta) ROW (DRY) RWY TOO SHORT (red) "RWY TOO SHORT !"Go-Around WET (red) DRY (red) ROP MAX BRAKING MAX REVERSE (red) BRAKE… MAX BRAKING MAX BRAKING "MAX REVERSE" "KEEP MAX REVERSE" MAX braking (Auto/Pilot) MAX REV (Pilots) Red STOP bar Red path

7 International Coordinating Council of Aerospace Industries Associations A bit more on Airbus Runway Overrun Prevention System (ROPS) EASA consideration for ROPS certification – Request to demonstrate the relevance of ROPS alerts and protections (no unprotected area, no undue conservatism) – Principle: If no ROW alert before decision point Then, thanks to ROP, no runway excursion While no significant increase of go-around rate Translation into ROPS design objectives – Continuous real time performance computation of predicted and remaining realistic operational landing distance – Compare in real time with runway end – Trigger, only when necessary, simple and clear alerts with simple SOP – Guarantee both reliability and not excessive margins – Ensure consistency with FAA TALPA rule and computation philosophy – Avoid any additional tuning by airline – In obvious complement of the necessary need to fly stable approach ICAO Global Runway Safety Summit7

8 International Coordinating Council of Aerospace Industries Associations Conclusion Despite clear different design intent, easy-to-install flight deck solutions exist A significant fleet coverage is needed to achieve widespread safety benefit ICAO Global Runway Safety Summit8


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