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NATS tries new route to reduce Heathrow stacking

NATS tries new route to reduce Heathrow stacking

A new operational procedure to cut the amount of time aircraft circle in ‘holding stacks’ at London Heathrow Airport has begun.

Traditionally NATS, the UK’s air traffic service provider, has only been able to influence an arriving aircraft’s approach to Heathrow once it enters UK airspace - sometimes only 80 miles from the airport.

This limits the opportunity to manage the flow of traffic and can result in additional time spent in the holding stacks.

Now, if delays in the Heathrow holding stacks begin to build, air traffic controllers in the Netherlands, France, Scotland and Ireland will be asked to slow down aircraft up to 350 miles away from London to help minimise delays on arrival.

The trial is being led by NATS in close cooperation with French air traffic control provider, DSNA, the Maastricht Upper Area Control Centre and Prestwick Control Centre, with the aim of cutting average holding times by at least a quarter from the current time of just under eight minutes.

In a pre-trial test of the system, the first ever live data – flight BAW74 - was passed between NATS and French air traffic controllers at DSNA’s Reims control centre in the early hours of March 21st 2014.

Martin Rolfe, managing director, operations at NATS, commented: “This is the first cross border arrivals management – or XMAN - trial of its kind anywhere in the world and a great example of partnership working for the benefit of our customers and a potential future model for the industry.

“We expect the trial to be a significant benefit to our airline customers in terms of fuel savings.”

“Slowing aircraft down during the en-route phase of flight when they are much higher will save fuel and CO2 emissions, while reducing the impact of noise for those living under the holding stacks in the south east of England.”

The trial, which is a partnership between members of FABEC and the UK/Ireland FAB, will run until the end of 2014.