NATS TCN AIRSPACE PROPOSALS
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NATS TCN AIRSPACE PROPOSALS
PRESENTATION TO
HELIONS BUMPSTEAD PARISH COUNCIL
24 APRIL 2008
Contents
• Overview of TCN and changes proposed
• Impact on Helions Bumpstead
• Noise disturbance
• How to respond to consultation
• Questions and answers
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
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
TCN Region
One Day’s Flight Paths through TCN in 2006
Tranquility Map 2006
Tranquility Map with Departures and Arrivals
Impact onHelions Bumpstead
• New westerly hold between Newmarket and Saffron Walden
• Changed easterly and westerly arrivals routes
• Overflying less densely populated areas
Current Stansted Westerly Arrivals
Proposed Stansted Westerly Arrivals
Proposed Stansted Westerly Arrivals
STANSTEDMOUNTFITCHET
BISHOP’S STORTFORD
SAFFRON WALDEN
Current Stansted Easterly Arrivals
Proposed Stansted Easterly Arrivals
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
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
Equivalent Lmax Levels
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
Airport expansion=
more noise+
more CO2 emissions
Root Cause
QUESTIONS AND
ANSWERS
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