Purpose of this change

This proposal is for a Permanent change to the notified airspace design, and the change level is 3.

NATS Operational Service Enhancement Project (OSEP) seeks to deliver small scale changes across NERL airspace between now and 2027 . The changes will deliver benefits through enabled fuel/ CO2 savings , reduced routing inefficiency, safety improvements and alleviating capacity hotspots. Within the UK ATS Network there are inefficient ATS routes or connectivity between ATS routes and neighbouring FIRs. This ACP seeks to improve connectivity between the UK ATS route network and adjacent FIR boundaries.

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Stage 6 : Implement

This step has been started

Stage 6 is where the approved final airspace change proposal is implemented.

Documents for this proposal (19 documents)

Timeline agreed with CAA (249.7kB PDF)

Stage 6 - Timeline Agreement

Date added: 07 January 2025

Stage 5 Decision Log (1.8MB PDF)

Stage 5 - Decision Log

Date added: 05 December 2024

Stage 5 Operational Assessment (2.1MB PDF)

Stage 5 - Operational Assessment

Date added: 05 December 2024

Stage 5 Environmental Assessment (3.6MB PDF)

Stage 5 - Environmental Assessment

Date added: 05 December 2024

Stage 5 Consultation Assessment (1.9MB PDF)

Stage 5 - Engagement Assessment

Date added: 05 December 2024

Stage 5 Final Options Appraisal (808.3kB PDF)

Stage 5 - Options Appraisal Assessment (Phase III - Final)

Date added: 05 December 2024

Stage 5 ATM Safety Review CAA Letter of Acceptance (109.4kB PDF)

Stage 5 - Safety Review

Date added: 05 December 2024

OSEP CLN Final ACP document v1.1 (1.3MB PDF)

Stage 5 - Change Request Authority

Date added: 17 October 2024

Annex A: Engagement Evidence (8.8MB PDF)

Stage 4 - Engagement Evidence

Date added: 04 September 2024

OSEP CLN Final ACP document (2.0MB PDF)

Stage 4 - Final Airspace Change Proposal

Date added: 04 September 2024

Timeline (114.3kB PDF)

Stage 2 - Timeline Agreement

Date added: 27 February 2024

OSEP CLN ACP Stage 1B (569.8kB PDF)

Stage 1 - Design Principles

Date added: 11 October 2023

Indicative Timeline - July 2023 (179.3kB PDF)

Stage 1 - Timeline Agreement

Date added: 28 July 2023

Timeline Agreement (132.1kB PDF)

Stage 1 - Timeline Agreement

Date added: 16 February 2022

OSEP ATS Routes Assessment Meeting Minutes (103.7kB PDF)

Stage 1 - Assessment Meeting Minutes

Date added: 04 November 2021

OSEP ATS Routes Assessment Meeting Presentation (899.5kB PDF)

Stage 1 - Other

Date added: 04 November 2021

OSEP ATS Route Assessment Meeting Agenda (61.7kB PDF)

Stage 1 - Assessment Meeting Agenda

Date added: 04 November 2021

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Potentially affected area

This is the area which may be affected by this airspace change depending on its development. This area may change as the proposal is developed.

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