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2021-04-22 - London (South, Central & West) - Changes to South Sectorisation & Agreements


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Harry Sugden

Effective 22 April 2021

Alongside introducing the capability for more advanced splitting options in AC South, some associated changes are being made to the day-to-day sectorisation. This affects mainly airspace over central London in what’s known as ‘TC Capital’. There are also some minor changes to airspace elsewhere in the sector. A number of agreements are also affected.

Note: This Procedure Change does not introduce any new positions. The airspace of some of our existing sectors is changing, along with some agreements.

 

Sectors

Summary of Main Changes

  1. The airspace up to FL215 over central London and to the east of the current high level Worthing-Dover boundary is being transferred from Worthing to Dover.
  2. Two portions of airspace on and around the MAY-VATON track are transferred from TC South East to AC Dover.
  3. A section of airspace southwest of GWC from FL125-FL175 is transferred from TC South West to AC Worthing.

Slight changes have also been made to the AC West and AC Daventry sectors in areas to the north of KENET and KIDLI.

Want to know why? This post talks about the TC Capital airspace and why we’ve decided to change the ownership here in a little more detail.

 

Revised Diagrams

These changes are represented on the updated Sector Diagrams available for review HERE.

Additionally, the areas that have changed are shaded in red on the following figures:

Figure 1 - New TC South East Sector

315315860_TCSouthEast.png.6c29dc328b75d52370798632b45d877c.png

Figure 2 - New TC South West Sector

739257049_TCSouthWest.png.64eec352cd699d3d2f6fd00cc55c7673.png

Figure 3 - New AC Dover Sector

1426362938_ACDover202104.png.715dfc3cf3465a77d00de3c339e5ab9a.png

Figure 4 - New AC Worthing Sector

295997249_ACWorthing202104.png.53a220b5a266d51956b04a6893eefe66.png

 

Agreements

A number of agreements are affected by the changes to sectorisation, and there have been two further changes to agreements for EGLF outbounds via OTSID-BIG and Essex/Thames outbounds via LYD.

The draft Agreed Levels Diagrams for 2021/04 are available HERE. Please note that further changes will likely be made before the release date, so it is important to download the final published version.

The changes are available in table format here:

Changes to Agreements.pdf

The most notable changes affect:

  1. EGKK LAM departures - which are now transferred from TC South East to AC Dover (previously Worthing); and 
  2. Essex inbounds via VATON - which are now transferred from AC Dover (previously Worthing) to TC North East.

-----

Tip! If you prefer to visualise things, I recommend opening an existing Agreed Levels Diagram and the new one (linked above) side by side and flicking between them to look at what has changed. For example:

south-gif.gif.6dd25d1f57ecf289a6b0f81f73898d3c.gif

 

Documentation Status

The changes will be reflected in the 2021/04 releases of the UK Sector File, London (EGTT) vMATS, Agreed Levels Diagrams, and Sector Diagrams.

Edited by Harry Sugden
Corrected AC Dover diagram
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