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Why the Quality of Aeronautical Information
in Future ATM Matters
Jonathan TreeDirector, Industry Relations, Boeing Digital
Aviation/ Jeppesen
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Copyright © 2016 Boeing. All rights reserved.
Performance-Based Navigation and Data QualityA Commercial Data Supplier View
Jon Tree, Director of International Relations, Boeing Digital Aviation CANSO OSC, Madrid, Spain 2016
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Navigation specifications
RNP 4
Oceanic
Remote
RNAV 5
RNAV 2
RNAV1
Enroute
Terminal
RNP10
Oceanic
Remote
RNP1
RNP APCH
RNP AR APCH
various phasesof Terminal Operation
RNP
Additional requirement
3D & 4D
(future)
Performance-Based Navigation Applications
RNP RNAV
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Example of RNAV and RNP specifications
At GateTake off
End of
Departure
Gateway
Begin of
Arrival
Gateway
IAF
LandingAt Gate
Taxi Taxi
Departure
En-route Continental
Arrival
Approach
En-route Oceanic
RNP 4
For any particular PBN operationa sequence of RNAV and RNP applications can be used
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Safety Efficiency / Fuel savings
Environmental (e.g. noise, emissions)
Airspace congestion
Improved safety
Decreased operating costs
Increased revenue
Reduced environmental impacts
Increased schedule integrity
Conventional Approach
RNPApproach
Benefits of RNP
Why RNP?
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Conventional Procedure
• Truth used to be an ILS localizer and glide slope beam
• The airplane flies a ground based signal that is always in the same position relative to the runway
RNP Procedure
• Truth is the database
• The airplane flies to the waypoint, right or wrong
RNP Approach requires highest quality dataWhy?
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Virtually all worldwide procedures are available inon-board navigation databases
In a world based on conventional navigation:• Pilots have a “Ground Truth“• FMS/GNSS provide guidance to a ground based
navaid signal
Consequences
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In a world of Performanced Based Navigation:
Consequences
• “Ground Truth” is not available• Nav system provides guidance to waypoints,
wherever the database says they are• Dependent on accurate data• Data = mission critical information
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The airplane flies to the waypoint, right or wrong
Actual Runway Location (orange)
Official AIP Location (blue)
10
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Thank You