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Walney Transponder Mandatory Zone

Proposal to implement a Transponder Mandatory Zone (TMZ)

  • Sponsor: DONG Energy

    Implementation of a Transponder Mandatory Zone (TMZ) around the Walney, West of Duddon Sands, Ormonde and Barrow operational windfarms and Walney Extension.

    Last updated: 23 March 2017

    Framework briefing held with organisations considering proposal of the change 21 May 2014
    Sponsor external consultation document (with associated appendices) 6 Oct 2014-11 Jan 2015
    Sponsor's external consultation feedback report 30 Jan 2015
    Sponsor's formal airspace change proposal (date received by CAA) 5 Mar 2015
    Operational assessment by CAA 13 Jul 2015
    Consultation assessment by CAA
    Environmental assessment by CAA 1 May 2015
    Decision document (CAA change approval) 25 Sep 2015
    Change implementation date 22 Jul 2017
    AIRAC distribution date / AIP amendment AIRC 07/2017
    Post Implementation Review  Jul 2018
    PIR initiation date
    Sponsor's analysis   
    CAA PIR assessment