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Rob Eagles Director ASIA PACIFIC
Safety, Operations & Infrastructure
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Savings in 2007 3.8 million tonnes CO2 (routes) 6.7 (Green Teams)
On-going work
Targets for 2008 6 million tonnes CO2
4 pillars Technology Economic Infrastructure Operations
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Pillar 3 - Infrastructureand its Environmental Consequences
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Services or Systems necessary for Air Traffic Services
Infrastructure
CommunicationsNavigationSurveillanceAir Traffic ManagementSeparation MinimumsInstrument ProceduresAirport Development
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Services or Systems necessary for Air Traffic Services
Infrastructure
CommunicationsNavigationSurveillanceAir Traffic ManagementSeparation MinimumsInstrument ProceduresAirport Development
Every element has a direct impact on fuel burn & CO2 emissions.
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Optimum altitude
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Reach optimum altitude ASAP
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However, speed limits on climb out…
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Significant savings if clean airspeed departure
Clean Airspeed Departures
About 200-1600 kg fuel savings
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Maintain en route flight at optimum altitude
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Optimum altitude varies according to weight
Example: 12 hour flight
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1,000 ft
2,000 ft
Available Cruising Levels
33,000 ft
32,000 ft
31,000 ft
30,000 ft
29,000 ft
33,000 ft
32,000 ft
31,000 ft
30,000 ft
29,000 ft
Conventional Vertical Separation Reduced Vertical Separation Minimum (RVSM)
4,000 ft2,000 ft
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Optimum Altitude Unavailable
Next Available 4,000 ft lower 450 kg/hrpenalty(B744)
LIMITATIONS OF CONVENTIONAL
CRUISING LEVELS
Next Available 8,000 ft lower 1200 kg/hrpenalty
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Optimum Altitude Unavailable
Next Available 2,000 ft lower140 kg/hrpenalty
As opposed to 450kg/hr or 1200kg/hr penalty on conventional cruising levels
RVSM SAVINGS
Next Available 4,000 ft lower450 kg/hrpenalty
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20062006
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20072007
1.1 MIL tonnes CO2
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20082008
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Enhancing capacity / reducing emissions
Procedural / time separation
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Utilizing technology
1. Position broadcast by the aircraft (ADS-C) and Navigation accuracy
2. Direct controller / pilot communication (CPDLC)
3. Technology / available today
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Reducing delays & optimum altitudes
Equates to CO2 - reductions
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Infrastructure enhancements
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Goal: Continuous descent for arrival
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Fuel Savings on Arrivals
10% less fuel 40% less noise Saves 50-200 kg fuel
150 - 640kg less CO2
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A
B
8200 nm
9100
Winds rule! Longer the flight - greater the daily variance for the optimum track
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•
Eastbound: Dubai - BrisbaneExample:
• 1000 kgs per month• 100 minutes flying time• ~1200nm abeam great circle track
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Preferred route - 20May06
Distance (nm)
Flight time
6897
14:13
Preferred route - 03Nov05
Distance (nm)
Flight time
7069
14:50
Great Circle Distance between LAX & HKG - 6300nm
2700
nm
Westbound: Los Angeles - Hong Kong
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Military Restricted Airspace
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Conclusion Infrastructure ATM enhancement is critical
Technology on aircraft Reduced reliance on ground systems
Airlines investing: Reduce emissions Plan for ASPAC (based on ICAO GPIs) Accelerate progress from States
APEC Working together to address issues Common goal Critical role