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Proposed changes to Williamtown airspace, including to R559A-F, were consulted via AvSEF during 2022 with an expected implementation date of 15 June 2023. This date has been revised.
The proposed changes to Williamtown airspace, including R559A-F, were anticipated to take effect on 15 June 2023. Following a review of the project timeline to implementation, Airservices and Defence are now working towards a 30 November 2023 Aeronautical Information Regulation and Control (AIRAC) effective date.
https://www.avsef.gov.au/consultations/nsw-proposed-major-changes-willi…
https://www.avsef.gov.au/consultations/nsw-qld-major-proposed-changes-o…