Return to proposals being developed under the new process
ACP reference: ACP-2017-70
Proposal name: London Airspace Management Programme Phase 2 - ATS Network
Proposal description: Optimal alignment and connectivity of the ATS route network with each
airport's airspace structures.
Geographic area: South
In accordance with CAP1616, the CAA is required to provide a provisional
indication of the appropriate scaling level of the proposal. As noted in
the assessment meeting minutes, NATS has proposed that this ACP is a level 2 proposal,
that is, a change that does not have the potential to alter traffic patterns
below 7,000 feet.
The proposal intends to develop ‘letterboxes in the sky’ at
9,000ft i.e. entry points to the upper route airspace. However, if the
positioning of the letterboxes is completed first, it may have the potential to
constrain flight paths from the ground to 7,000ft as airports will design their
flight paths into these letterboxes. If this is the case, NATS proposal
would be a ‘Level 1’ ACP as it will have the “potential to alter traffic
patterns below 7,000ft” (¶75 CAP1616).
NATS has indicated that its proposal intends to be wholly
responsive to changes proposed by airports, and thus will not affect traffic
patterns below 7,000 ft, however presently the NATS proposal precedes the
majority of ACPs required for FASI(S) and the design work cannot possibly take
into account those airports which have not commenced an ACP.
Noting that the CAA is not required to confirm its indication of
scaling level until the Stage 2 Gateway, the CAA is content to provisionally
indicate the ACP as a Level 2 change in accordance with NATS’ request.
However, as noted above, if the proposals required for FASI(S) are not brought
forward as envisioned by NATS, the proposal may be designated a Level 1 change
at that time.
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.
At stage 2, the change sponsor continues to liaise with stakeholders, develops options and carries out initial impact appraisals.
Develop & Assess
At stage 3, the change sponsor prepares a consultation, assesses who should be consulted and undertakes the consultation.
Collate & Review Responses
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.
Submit Proposal to CAA
At stage 5, the CAA assesses the proposal.
At stage 6, if approved, the change is implemented.
At stage 7, the CAA carries out a review of the change, usually after 12 months of operation.
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