1. NATS TCN AIRSPACE PROPOSALS
PRESENTATION TO
SAFFRON WALDEN TOWN COUNCIL
AND LOCAL PARISHES
17 APRIL 2008

2. Contents Overview of TCN and changes proposed
Impact on Saffron Walden area
Noise disturbance
How to respond to consultation
Questions and answers

3. and Changes Proposed (1)
Overview of TCN
and Changes Proposed (1)
TCN region over 12 million people across five counties
Changes out to 2014
Effects arrival routes, holds and departure routes

4. and Changes Proposed (2)
Overview of TCN
and Changes Proposed (2)
Heathrow, Stansted, Luton, London City, Northolt + smaller airports and military airfields
Not all routes are being changed
Excludes Stansted 2nd runway
First phase of plans out to 2030 to align with ATWP

5. TCN Region

6. One Day’s Flight Paths through TCN in 2006

7. Tranquility Map 2006

8. Tranquility Map with Departures and Arrivals

9. Impact on Saffron Walden Area
New easterly departure route
New westerly hold between Newmarket and Saffron Walden
Changed easterly and westerly arrivals routes
Overflying less densely populated areas

10. Proposed & Existing NPRs for Stansted Departures to North & SW

11. Current Stansted Easterly Departures to North

12. Proposed Stansted Easterly Departures to North

13. Current Stansted Easterly Departures to SW

14. Proposed Stansted Easterly Departures to SW

15. Current Stansted Westerly Arrivals

16. Proposed Stansted Westerly Arrivals

17. Proposed Stansted Westerly Arrivals

18. Current Stansted Easterly Arrivals

19. Proposed Stansted Easterly Arrivals

20. Current Luton Easterly Arrivals

21. Noise Disturbance (1)
Noise impact defined by number of people affected rather than amount of noise they are exposed to
Routes moved to less densely populated areas
Current tranquil areas will suffer from more noise

22. Noise Disturbance (2) Measured by Lmax levels
But aircraft numbers and duration important factors
Aircraft noise has low frequency and tonal characteristics which increase annoyance
Low background noise environment

23. Equivalent Lmax Levels

24. How to Respond to Consultation
Online or by letter
Closing date 22 May 2008
We recommend letter + copy to your MP
Copy the CAA
Information on the proposed changes and guidance notes for response are published by SSE