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<strong>Annual</strong> <strong>Report</strong> and Accounts <strong>2015</strong> | <strong>NATS</strong> Holdings Limited<br />

Strategic <strong>Report</strong><br />

41<br />

People and corporate responsibility<br />

(continued)<br />

Minimising the environmental impact of Air<br />

Traffic Management (ATM)<br />

The environmental impact of ATM is a key issue for our<br />

customers, regulators and communities. We have a number<br />

of targets that reflect our customers’ high priority for<br />

reduced CO 2<br />

emissions and fuel burn. These include:<br />

> A strategic target to reduce ATM related CO 2<br />

emissions<br />

by an average 10% per flight by 2020, from a 2006<br />

baseline. This applies to UK and North Atlantic airspace<br />

and airport tower services;<br />

> <strong>Annual</strong> flight efficiency target (3Di), which financially<br />

incentivises our performance in line with our strategic<br />

target. 3Di measures the efficiency of flight profiles in UK<br />

airspace;<br />

> Specific short term fuel savings targets agreed annually<br />

with customers via the OPA and the Fuel Efficiency<br />

Partnership (FEP). These target UK and North Atlantic<br />

airspace and airport tower services.<br />

Our strategic target is challenging but is achievable and<br />

supported by the investments assumed in RP2 and other<br />

short term procedural and tactical changes we have<br />

planned. Each of our operational units has embedded<br />

business plan targets to deliver this outcome. We are<br />

targeting a reduction of 32,000 tonnes in CO 2<br />

emissions<br />

in calendar year <strong>2015</strong>.<br />

Following an external review of our methodology for<br />

calculating the enabled savings in fuel and CO 2<br />

emissions<br />

from airspace changes and day to day improvements, we<br />

have restated our baseline and values reported since 2008<br />

to enhance the precision of our reporting.<br />

a. Progress in <strong>2015</strong><br />

To monitor progress against our strategic target, we<br />

set ourselves an interim target to reduce ATM related<br />

CO 2<br />

emissions by an average 4% per flight (from a<br />

2006 baseline) by the end of calendar year 2014. We<br />

actually achieved 4.3%, which equates to a reduction in<br />

CO 2<br />

emissions of over 1 million tonnes, or around £117m<br />

per annum in enabled fuel savings per annum to airline<br />

customers. This had improved to 4.55% at 31 March <strong>2015</strong>.<br />

The improvements are the result of changes to UK airspace<br />

that allow for more direct routes and improved vertical<br />

profiles; the use of more efficient procedures, such as<br />

continuous instead of stepped climbs and descents; and<br />

the introduction of new air traffic control technologies.<br />

Many changes to UK airspace and procedures have been<br />

made over the past six years to provide more efficient<br />

routes to airlines. This includes more flexible use of military<br />

airspace when not in use, which has reduced CO 2<br />

emissions<br />

by 30,000 tonnes alone, and the use of controller tools<br />

that provide the most efficient altitudes across the North<br />

Atlantic which has enabled a reduction of 110,000 tonnes of<br />

CO 2<br />

emissions.<br />

In 2014 <strong>NATS</strong> developed a tool which combines radar<br />

data with <strong>NATS</strong>’ 3Di airspace efficiency metric to produce<br />

a graphical representation of every flight in UK airspace.<br />

This enables controllers to review the 3Di score for every<br />

flight handled on their shift and to identify operational<br />

improvements by analysing the efficiency of flight profiles.<br />

Since April 2014, <strong>NATS</strong> has reduced airborne holding times<br />

through better arrivals management, saving airlines over £1<br />

million in fuel and reducing CO 2<br />

emissions by 7,000 tonnes.<br />

Financial years ended<br />

Tonnes (‘000s)<br />

2008 2009 2010 2011 2012 2013 2014 <strong>2015</strong><br />

Fuel enabled savings 6 3 25 16 41 35 21 189<br />

CO 2<br />

enabled savings 17 11 80 52 131 113 66 602<br />

Strategic <strong>Report</strong>

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