ASAS - the link with SESAR

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ASAS - the link with SESAR
Phil Hogge, ASAS-TN2
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The ECs High Level Targets

• 3 times capacity.
• 10 times the safety.
• Halve the unit costs.
• Reduce environmental impact by 10.
• NEED A PARADIGM SHIFT but what should it be?

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SESAR Timescales

• 2005 2007 The Definition Phase
• D2, due on 6th December 2006, will contain a High
  Level vision of the Concept of Operations in
  2020.
• D3, due on 6th June 2007 will contain the
  Definition of the Future Target Concept.
• 2008 2013 The Development Phase
• 2014 2020 The Deployment Phase

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The Future Concept of Operations

• Will include-
• Down-linked 4D trajectory information to assist
  flow management and to de-conflict traffic as
  much as possible.
• Airborne surveillance to assist pilots to share
  tasks (spacing and separation) and, ultimately
  self-separation.

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SESAR and NGATS

• EC/FAA MoU
• Eurocontrol/FAA MoU for RD
• SESAR JU/JPDO
• EUROCAE/RTCA
• RFG
• IT IS ESSENTIAL FOR BOTH SESAR AND NGATS TO MARCH
  IN STEP.

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NGATS Timeline for ASAS

• Years 2008-2012
• Oceanic pair-wise maneuvers
• Increased use of visual approaches w/ ADS-B CAVS
• Years 2012-2016
• Limited Self spacing, merging and passing in en
  route airspace
• Departures rates are increased by ADS-B and CAVS
• Years 2016-2020
• Self spacing at near VFR levels on single runway
  approaches
• Year 2025
• Longitudinal and lateral separation delegated to
  flight deck in high density en route
• Separation delegated to flight deck in oceanic
  airspace

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ADS-B-NRA ADS-B-RAD

• ADS-B NRA
• Australia
• Elsewhere La Reunion, New Caledonia, French
  Polynesia, Gulf of Mexico.
• ADS-B is one tenth the cost of radar.
• ADS-B RAD
• USA
• Europe
• ROI over 20 years
• Decide the standard ASAP- DO-260, DO-260A,
  DO-260???

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Oceanic Route Structures

• Fixed Routes (CEP, NOPAC)
• Fixed routes similar to domestic airway
  structure
• Do not account for changing wind or weather
  conditions
• Reduce complexity for ATC, but are not always
  most efficient for customers
• Organized Track Systems (NATOTS, PACOTS)
• Flexible track system established by ATSPs,
  utilizing forecasted weather conditions to
  produce the most time/fuel efficient routes for a
  representative city pair (established daily)
• User Preferred Routes (UPRs)
• Optimized routes generated by individual
  operators based on aircraft type, aircraft
  loading, weather and flight plan requirements
• Advantages include optimum cruise trajectories
  (altitudes, routes), improved fuel efficiency,
  increased predictability on fuel usage and
  payload capacity

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ASAS in the Pacific N Atlantic

• If we add ADS-B-In and use a CDTI or ASAS.
• ATSA-ITP
• ASEP-ITP
• SSEP-FFT the ultimate answer for all oceanic
  airspace by 2020.

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Dense Continental Airspace

• ATSA-VSA improves visual operations.
• ATSA-SURF improved safety.
• ATSA-SM
• - consistent spacing/improved R/W capacity.
• - reduced fuel burn on descent.
• - reduced ATCO workload/more capacity.
• ASAS applications are an integral part of the ATM
  system.

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Airspace Users

• Start from the premise that the 4D trajectory is
  THE definition of the business intent of that
  flight.
• It is expressed in both space and time and is
  built from, and updated with, the most timely and
  accurate data (AOC and FMS).
• All copies of the same trajectory existing
  anywhere in the system will describe exactly the
  same series of positions/times on the ground and
  in the air.

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ATM Planning Horizons

• Long term more than 1 year before flight.
• Strategic between 1 year and 1 week before
  flight.
• Pre-tactical between 1 week and 2 hours before
  flight
• Short term look ahead looking 5 to 20 mins.
  ahead.

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Use 4D trajectories and ASAS together

• All 4D could be too rigid.
• All 4D could be very expensive.
• Full self-separation in dense airspace might be
  very expensive to certificate.
• The balance is probably-
• - To use 4D for the more strategic
  deconfliction.
• - To use ASAS Applications as part of the
  controller toolkit.

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Autonomous Operations

• CDTI alone on the navigation display has
  limitations.
• Predictive ASAS to calculate track changes and
  vertical manoeuvres.
• CDR algorithms, symbology and alerting logic.
• ADS-B to broadcast and receive the relevant data.
• ACAS remains independent.

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Perceived Conflict Rate
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Manufacturers Road Map

• Air Traffic Alliance (EADS, Airbus, Thales)
• Airbus
• Boeing
• Honeywell
• Rockwell Collins
• ACSS who have developed the equipment being used
  by UPS

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Airborne Surveillance SESAR

• Take advantage of developments being implemented
  elsewhere.
• Use ASAS applications as tools, integrated into
  the ATM system.
• Ensure the SESAR concept of operations and
  roadmap of implementation keeps in step with
  NGATS.
• Keep the door open for Autonomous Operations in
  the long term.

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SESAR

• 2005 2007 The Definition Phase
• This must include within the proposed road map
  the use of ASAS Applications.
• 2008 2013 The Development Phase
• The SESAR JU must organise the necessary RD,
  pre-operational trials, validations and business
  cases for Package 2 and 3.
• 2014 2020 The Deployment Phase
• 2020 Separation delegated to the flight deck?

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