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UK Civil Aviation Regulations

These are published by the CAA on our UK Regulations pages. EU Regulations and EASA Access Guides published by EASA no longer apply in the UK. Our website and publications are being reviewed to update all references. Any references to EU law and EASA Access guides should be disregarded and where applicable the equivalent UK versions referred to instead.

Walney Transponder Mandatory Zone

Proposal to implement a Transponder Mandatory Zone (TMZ)

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Sponsor: DONG Energy

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

Last updated: 8 March 2019

Decision document (CAA change approval) 25 Sep 2015
Change implementation date 22 Jul 2017
AIRAC distribution date / AIP amendment AIRC 07/2017
PIR initiation date 10 Jan 2019
CAA PIR assessment 8 Mar 2019

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