Measurement of environmental benefits Saulo Da Silva
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International Civil Aviation Organization
Measurement of environmental benefits
Saulo Da Silva
Workshop on preparations for ANConf/12 − ASBU methodology(Nairobi, 13-17 August 2012)
SIP/2012/ASBU/Nairobi-WP/29
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OVERVIEW
• KPA• ASSEMBLY RESOLUTION• OPERATIONAL IMPROVEMENTS• IFSET• SUMMARY
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KPA
• ENVIRONMENTThe air navigation system should contribute to the protection of the environment by considering noise and emissions in the implementation and operation of the global air navigation system.
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Assembly Resolution
• Climate change• A37-19-Consolidated statement of continuing
ICAO policies and practices related to environmental protection – Climate change
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Assembly resolution
• A37-19• Resolves:• to achieve a global annual average fuel
efficiency improvement of 2 per cent until 2020.
• and an aspirational global fuel efficiency improvement rate of 2 per cent per annum from 2021 to 2050.
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Assembly resolution
• A37-19• Requests ICAO to:• develop the necessary tools to assess the
benefits associated with ATM improvements.
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OPERATIONAL IMPROVEMENTS
• PBN• CDO/CCO• RVSM• FUA• ETC.
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IFSET
• ICAO FUEL SAVINGS ESTIMATION TOOL - Simple to use and scientific defendable• States will begin reporting on fuel savings
from operational improvements in 2012.• Not all States have the ability to quantify these
savings.
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IFSET – WHAT IT DOES
• Allows those States without modelling and/or measurement capabilities to estimate fuel savings from operational improvements.
• Consistent with CAEP-approved GHG models.• Consistent with Global Air Navigation Plan.• Easy-to-use / minimal data requirements.
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IFSET – WHAT IT DOES (Cont.)
• The tool can estimate:– Effects of shortening / eliminating level segments
on departure and arrival.– Effects of shorter routes (either in time or
distance).– Effects of cruising at different altitudes.– Effects of reduced taxi times.
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IFSET – WHAT IT DOES NOT
•The tool does not replace detailed modelling or measurement of fuel consumption already available in a State.
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IFSET – HOW IT WORKS
• Pre-compute aircraft performance– Level, climb and descent fuel consumption– By group of aircraft type– In 1000 foot intervals
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IFSET – HOW IT WORKS – USER INPUT
• Fleet mix defined for baseline and post-implementation scenario– Aircraft type group– “Remaining flight distance”(as a surrogate for
weight)• User selects “elements” to define the baseline
and “new” procedure• Tool estimates the change in total fuel
consumption between the 2 scenarios
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IFSET – SCHEDULE
• December 2011 – ICAO releases the first version of the IFSET. (SL AN 13/61-12/4, 6Jan 2012)
• 2011/2012 – Workshops on how to use IFSET.
• 2012 – States/ANSPs start estimation and reporting fuel savings accrued from operational improvements.
• Dec 2012 – ICAO releases the environment report with the results obtained.
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IFSET – example
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IFSET – example
• IFSET
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SUMMARY
• KPA• ASSEMBLY RESOLUTION• OPERATIONAL IMPROVEMENTS• IFSET
ICAO SIP 2012 - ASBU workshops
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