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Air Traffic Services Outside Controlled Airspace (ATSOCAS) PowerPoint PPT Presentation

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Air Traffic Services Outside Controlled Airspace (ATSOCAS). ATSOCAS Review. Initiated due to concerns raised by AAIB, UKAB, CAA and attendees at CAA Safety Evenings 5 Phases of work 1 – Establish situation and devise work plan 2 – Consult with airspace users and providers - 2005

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Air Traffic Services Outside Controlled Airspace (ATSOCAS)

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Air traffic services outside controlled airspace atsocas

Air Traffic Services

Outside Controlled Airspace


Atsocas review


  • Initiated due to concerns raised by AAIB, UKAB, CAA and attendees at CAA Safety Evenings

  • 5 Phases of work

    • 1 – Establish situation and devise work plan

    • 2 – Consult with airspace users and providers - 2005

    • 3 – Devise and test new procedures; draft new regulations - 2007

    • 4 – Consultation and policy document production – 2007/08

    • 5 – Review – post implementation - 2009

  • Single ATSOCAS policy document for all pilots/ATCO/FISO (civilian and military) – CAP774

    • All providers and users agreed on services to be provided, responsibilities and duty of care principles

Atsocas review1


  • Industry involvement throughout in addition to formal public consultation (Sep – Dec 07)

  • 12 March 2009 – revised services to be introduced

  • This is not just a renaming of the services, but a complete revision will come into effect

  • Has resulted in a single set of agreed services for both pilots and controllers

    It is vital that all pilots have a detailed understanding of the revised procedures and how to use them

Airspace safety initiative

Airspace & Safety Initiative

  • ATSOCAS under leadership of Airspace and Safety Initiative (ASI) post Phase 2

  • ASI launched in 2005

    • Joint CAA/NATS/MoD/AoA with input from multiple GA/CAT organisations

    • Aim to identify key areas for action to address most pressing safety issues: ATSOCAS / Infringements / Rates of Climb & Descent etc

    • Programme benchmarked risks and identified actions necessary to address issues

    • Pulled together number of existing work streams in an effective manner. Working Group structure to do the detailed work

  • Industry fully involved through Working Group membership

Air traffic services outside controlled airspace atsocas

Steering Group

Air Traffic



ASI Structure

Oversight Group

ASI Communication


Education Programme




Air Transport



Steering Group

Co-ordination Group

Actions post consultation

Actions Post Consultation

  • Since Jan 2008 - ATSOCAS Procedures Working Group refined procedures

    • Simplified, Clearer, Less duplication

    • Addressed concerns and comments made in consultation responses as far as possible whilst meeting Statement of User Requirement

  • Radiotelephony phraseology fully reviewed and agreed

  • Interactive CD

    • Further developed

    • Mailed to all Commercial pilots during June/July

Why should i be concerned

Why Should I Be Concerned?

  • Some of the airports outside CAS:

    • Blackpool, Newquay, Plymouth, Exeter, Farnborough, Gloucestershire, Humberside, Inverness, Southend, Manston, Norwich, Oxford, Plymouth

  • Some of the airports partially linked to CAS:

    • Aberdeen, Bournemouth, Bristol Filton, Coventry, Doncaster, Durham, Newcastle

  • Routings outside CAS:

    • Class F Advisory Routes

    • Direct routings

    • Dropping from an upper air route where no CAS exists below FL195

  • Which routes do you fly that are outside CAS?

Next steps

Next Steps

  • CAP774 was published June 2008

  • FODCOM 25/2008 notified of the CAP publication and CD

    • Follow up FODCOM being produced

  • Air Traffic Service Providers are currently training their personnel

  • Now is the time to ensure your pilots are adequately trained and can safely use the revised services on 12 March 2009

The new services and procedures an overview

The New Services and Procedures – An Overview

  • The suite of services consist of:

    • Basic Service

    • Traffic Service

    • Deconfliction Service

    • Procedural Service

  • Collectively form the ‘UK Flight Information Services (UK FIS)’

  • 12 March 2009 - the only ATS provided in Class F/G airspace within the UK FIRs

  • Change from ‘separation’ to ‘deconfliction advice’

  • Duty of care

  • Service provision issues

  • Aim is for standardised provision by all UK ATS providers

Educational cd

Educational CD

  • Created by cross industry ASI group

  • Mailed to all pilots home address

  • Available on ASI website

  • Additional copies available free of charge on request from CAA

Educational cd1

Educational CD



  • A standardised set of ATSOCAS procedures for all pilots and controllers

  • Defined responsibilities

  • Agreed duty of care principles

  • A basis for enhanced standardisation of ATS provision by all providers

    Success relies on all ATS providers and airspace users being appropriately trained and aware of the new services

Any questions

Any Questions?

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