aircraft noise part 2 managing aircraft noise disturbance callum thomas
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Managing Aircraft NoiseTRANSCRIPT
AIRCRAFT NOISE Part 2
Managing Aircraft Noise Disturbance
Callum Thomas
The Cause of the ProblemThe Cause of the Problem
Managing Aircraft NoiseManaging Aircraft Noise
Peak Noise Levels ReducingPeak Noise Levels Reducing
Area of Impact is ReducingArea of Impact is Reducing
Population Affected Is ReducingPopulation Affected Is Reducing
0
20
40
60
80
100
120
140
160
74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94
Aircraft Movements Population affected by 3 5 N NI/ 5 7 LEq
(index 1974=100)
But Growth too Strong and But Growth too Strong and Attitudes HardeningAttitudes Hardening
So a Step Change So a Step Change in Technology is Neededin Technology is Needed
OperationsOperationsQuiet Takeoff ProceduresQuiet Takeoff Procedures
OperationsOperationsContinuous Descent ApproachContinuous Descent Approach
Preferred Noise RoutesPreferred Noise Routes
Operations Operations Ground NoiseGround Noise
Operational RestrictionsOperational RestrictionsNight NoiseNight Noise
• Sleep disturbanceSleep disturbance
• Night closureNight closure
• Movement limitsMovement limits
• Only quietest aircraftOnly quietest aircraft
InfrastructureInfrastructure
Land Use PlanningLand Use Planning• Prevents noise sensitive Prevents noise sensitive
developments in high noise areasdevelopments in high noise areas
• Lacking in many countriesLacking in many countries
• Not enforced in others.Not enforced in others.
Sound Insulation In Sound Insulation In PropertiesProperties
• Noise contourNoise contour
• Size of grantSize of grant
• ProvisionsProvisions
• LifestylesLifestyles
Noise Compensation Noise Compensation SchemesSchemes
• Payment to people who suffer a step change Payment to people who suffer a step change in noise climate.in noise climate.
• Compensatory payment.Compensatory payment.
• Complex science determines amount paid.Complex science determines amount paid.
• Different from Land Compensation ActDifferent from Land Compensation Act
House PurchaseHouse Purchase• Payments for people to enable them to Payments for people to enable them to
move to lower noise areas.move to lower noise areas.
• Apply when there is a step change in Apply when there is a step change in noise climate.noise climate.
• Land compensation act a separate issueLand compensation act a separate issue
The Critical QuestionThe Critical Question
• How to achieve a balance between:How to achieve a balance between:
– the ‘the ‘benefitsbenefits’ of airport growth - enjoyed by ’ of airport growth - enjoyed by millions millions
andand
– the ‘the ‘costscosts’ (noise disturbance) - affecting ’ (noise disturbance) - affecting thousandsthousands
Minimising Noise Minimising Noise ‘Disturbance’‘Disturbance’
• Reduce Noise ExposureReduce Noise Exposure
• Increase Community Tolerance Increase Community Tolerance