Flights disrupted again after computer failure at UK control centre

Swanwick air traffic control centre



Swanwick air traffic control centre



Passengers are facing widespread flight disruption after a computer failure at the UK's air traffic control centre.

Nats said it was in the process of returning to normal operations after a "technical problem" at its Swanwick control centre caused delays and grounded some flights.


Problems were reported around the UK.


The government said the scale of the disruption was "unacceptable" and said it had asked for a "full explanation" of what had gone wrong.


This included delays at Heathrow and Gatwick, where departing flights were grounded for a time. Other UK airports reported knock-on effects.


It comes a year after a telephone glitch at the Hampshire control room caused huge disruption - one of a number of technical hitches to hit the part-privatised Nation Air Traffic Services since the centre opened in 2002.


Reported problems around the country include:



  • Heathrow: Fifty flights cancelled. Others delayed but planes now landing and taking off

  • Gatwick: Flights are now departing but still subject to delays

  • Stansted: Flights still landing, no flights departing

  • London City: Cancellations and delays

  • Luton: All flights experiencing delays

  • Bristol: Limited departures reported

  • Luton: All flights experiencing delays but planes now leaving

  • Edinburgh: No queues but passengers being advised to check with their airlines

  • Glasgow: Some delays to departures

  • Southampton: Experiencing ''problems''

  • Oxford: Experiencing "some delays", mainly to services arriving from overseas

  • Leeds Bradford: All flights out and most flights in suspended until 1900

  • Birmingham: Some departures are being re-routed to avoid flying through London airspace

  • East Midlands: Departures and arrivals delayed but passengers advised to turn up as normal


Nats' managing director apologised for the disruption and said it was still investigating the cause.

Martin Rolfe ruled out a power outage, confirming there was a failure in the flight element of the system which left controllers with reduced data available to them.


Mr Rolfe also said a computer hack had been ruled out.


Travel body Abta encouraged passengers expecting to take a flight to contact their airline.


British Airways said if its customers did not want to travel from Heathrow, Gatwick or London City on Friday evening they could rebook or get a full refund.


Vicky Lane, a passenger on a grounded London to Dublin plane at Gatwick said: "We've been stuck on a Ryanair flight... for over an hour.


"The doors are open and we're really cold. I'm not sure when we will be leaving."


Another passenger, on a flight to Paris, said his plane had "circled around the Lake District for half an hour before turning back to Edinburgh".


Ed Bott told the BBC he was: "Currently sitting on the tarmac. None the wiser. Waiting for news as to what's happening."


Swanwick controls the 200,000 square miles of airspace above England and Wales, cost £623m to build, and employs about 1,300 controllers.


But the facility, which handles 5,000 flights every 24 hours, has had a troubled history.


It opened in 2002, six years after its planned commissioning date - a delay which National Air Traffic Services (Nats) said was due to problems with the software used to power its systems.


Almost a year after it opened, a senior air traffic controller raised concerns with the BBC about health and safety standards and complications with radio communications - which he said cut out erratically.


Technical problems and computer faults hit flights in 2008 and again last summer. And, in December 2013, problems with the internal telephone system then caused further delays.


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