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Farnborough Airspace Change Proposal - Post Implementation Review Update |
The CAA has received the Farnborough Post Implementation Review sponsor’s report. The CAA's Farnborough Airspace Change Proposal webpage has been updated with this information:
Post implementation reviews are a rigorous assessment by the CAA of whether the anticipated impacts and benefits, set out in the original airspace change proposal and decision, have been delivered and if not to ascertain why and to determine the most appropriate course of action.
The CAA’s review will include an assessment of aircraft using Farnborough airport, of aircraft using the airspace that was the subject of the change and of aircraft flying in the vicinity of the airspace that was the subject of the change. The CAA has specified data requirements for the PIR that will enable that assessment.
The CAA has received specific queries from stakeholders and confirms:
safety is the CAA’s primary statutory duty and the CAA will be carefully reviewing the PIR data to assess the impact of the new airspace design on safety; and
the CAA will also be assessing the impact of the change on noise based on an analysis of the number, type and height of aircraft on which data has been collected by the sponsor as required by the CAA.
The CAA now invite stakeholders to submit their own observations via email to
The CAA will aim to produce a PIR review report within three months.
This activity is not a review of the decision on the airspace change proposal, and neither is it a re-run of the original decision process.
Upon completion of the CAA’s review, we may:
- confirm that the implemented design satisfactorily achieves – within acceptable tolerance limits – the objective and terms of the CAA’s approval, and the change is confirmed; or
- require modifications to better achieve the objective and terms of the CAA’s approval