• This proposal began its development under the airspace change process prior to its revision in January 2018, and has transitioned to the new process. Our transition policy makes clear that such proposals need to meet the requirements of the new process. Where the means by which work carried out under the old process has been adapted or supplemented to meet the requirements of the new process, this has been set out below.

  • Return to proposals being developed under the new process

    ACP reference: ACP-2017-58

    Sponsor: NATS

    Proposal name: Swanwick Airspace Improvement Programme - Airspace Deployment 4

    Proposal description: This proposal concerns the development of air traffic service routes in the Clacton Sector.

    Geographic area: East

    Level: 2A 

    Stage 1: DEFINE

    At stage 1, the change sponsor meets with the CAA to discuss objectives and engages with those potentially affected about the underlying design principles. A timeline is agreed.

    Step Current Status Documents

    Step 1a:

    Assess Requirement

    The CAA has determined that the proposal is in scope of the airspace change process.  The CAA has provisionally determined that this airspace change proposal will be a Level 2A.

    Step 1b:

    Design Principles

    Complete Design Principles
    Stakeholder Engagement Evidence
    The CAA accepts the process and approach used to develop the design principles and accepts that they represent a well-founded shortlist to inform the development of design options.
    Define Gateway Complete:
     The CAA has completed the Define Gateway Assessment and is satisfied that the change sponsor has met the requirements of the Process up to this point. The CAA approves progress to the next Step.


    At stage 2, the change sponsor continues to liaise with stakeholders, develops options and carries out initial impact appraisals.

    Step Current Status Documents

    Step 2a:

    Develop & Assess

    Complete         Airspace Change Design Options (Redacted)
    Design Principle Evaluation

    Step 2b:

    Options Appraisal

    Complete         Options Appraisal (Phase 1 - Initial)   
    The CAA accepts the Design Principles Evaluation and is satisfied that the design options are aligned with the design principles
     Develop & Assess Gateway 23/02/2018    

    Stage 3: CONSULT

    At stage 3, the change sponsor prepares a consultation, assesses who should be consulted and undertakes the consultation.

    Step Current Status Documents
    Step 3a: Consultation Preparation Not Started  
    Step 3b: Consultation Validation Not started  


    Consult Gateway Expected 23/03/2018

    Step 3c:

    Commence Consultation

    Not started  

    Step 3d:

    Collate & Review Responses

    Not started  

    Stage 4: UPDATE & SUBMIT

    At stage 4, the change sponsor may modify their proposals to reflect consultation responses, and will then make a formal submission of the proposal to the CAA.

    Step Current Status Documents

    Step 4a:

    Update Design

    Not started  


    Step 4b:

    Submit Proposal to CAA

    Not started  

    Stage 5: DECIDE

    At stage 5, the CAA assesses the proposal.

    Step Current Status Documents

    Step 5a:

    CAA Assessment

    Not started    



    Step 5b:

    CAA Decision

    Not started    




    Decide Gateway  Expected 30/08/2018  

    Stage 6: IMPLEMENT

    At stage 6, if approved, the change is implemented.

    Step Current Status Documents

    Step 6:


    Not started    


    At stage 7, the CAA carries out a review of the change, usually after 12 months of operation.

    Step Current Status Documents

    Step 7:

    Post-Implementation Review

    Not started