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Wake Turbulence Topics in SESAR

Dave Booth & Andrew Harvey EUROCONTROL

European Organisation for the Safety of Air Navigation

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Wake Turbulence Separations SESAR IP1

Dave Booth EUROCONTROL Project Manager Crosswind Operations

European Organisation for the Safety of Air Navigation

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SESAR IP1 EUROCONTROL Involvement

Time Based Separation (TBS)

Closely Spaced Parallel Runways (CSPRs)

Crosswind Operations

Re-categorisation of the Wake Turbulence Separation Minima (RECAT)

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Time Based Separation (TBS)

SESAR Operational Improvement Step AO-0302

Validate a concept substituting distance based separation with minima based on time

To prevent loss of runway capacity during strong headwinds while maintaining safe operations

Considered highly beneficial to capacity constrained aerodromes

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Closely Spaced Parallel Runways (CSPRs)

Wake-Independent Departure & Arrival Operations (WIDAO) at Paris, Ch. De Gaulle.

Collaborative Study / EUROCONTROL & DSNA

1st Phase of Safety Case for CDG Approved

1st Phase of Implementation Dec. 2008

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Crosswind Operations

SESAR Operational Improvement Step AO-0301

CREDOS - Crosswind Reduced Separations for Departure Operations

Investigating the possibilities of safe conditional reductions of wake turbulence separation minima.

Crosswind Arrival Separations in very early development stage

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Wake Turbulence Separations – the SESAR mid-term view

Andrew Harvey EUROCONTROL Project Manager WP6.8.1

European Organisation for the Safety of Air Navigation

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Aims

What is WP6.8.1?

How does it interact with other programmes?

What will happen in 2009?

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The 681 Vision:

Optimised Application of Wake Turbulence Separations

WT separations are reduced or suspended when the operating conditions make their use unnecessary.

WT separations are tailored to the particular safety needs of a specific pair of aircraft (leader - follower)

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Getting there (1): Application Conditions

Identify the conditions enabling reduction or suspension of WT separations: due to the weather

e.g. CREDOS due to the infrastructure

e.g. WIDAO

Understand the operational & technical issues

Document the concepts and Validate them operationally

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Getting there (2): Tailored Separations

Identify the influence parameters: Generation and persistence of wake vortices; ability of an aircraft to tolerate a wake vortex encounter; that contribute to the actual risk associated with an encounter.

Define encounter hazard metrics and compute acceptable levels using current ICAO reference system.

Define safe separations based on maintaining acceptable levels of the identified hazard metrics;

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Three Phases for the work

Specification (24 months) Concepts Systems Metrics

Validation (60 months) Collect data Validate Models Validate Concepts

Integration (24 months) Generalise Optimise

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(Scope &) Interactions

NextG

en

Other S

ES

AR

Past & Ongoing WV Projects

IP1 WV

WP6.8.1

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First Steps / Next Steps

planning for 2009… Identify main partners (& stakeholders) Agree project scope and interfaces Develop WBS Plan & agree resourcing (including sub-contracts).

Project Execution starts: November 2009…

2009 2010 2011 2012 2013 2014 2015 2016

Planning

Specification

Validation

Integration