An unspecified computer problem is causing major
disruptions to air traffic in the south-east of England, with
flights delayed or cancelled at Gatwick, Heathrow and other
The Central Flow Management Unit at Eurocontrol in Brussels
confirmed to ZDNet.com.au sister site ZDNet.co.uk on Thursday afternoon in the UK that a "problem"
was affecting flights.
"We understand that about half the aircraft supposed to fly
into the [south-east] area can," said a Eurocontrol spokesperson.
"We did have aircraft held on the ground."
A National Air Traffic Services (Nats) spokesperson said that "there was a failure in one of the systems that
feeds the controller workstation in Swanwick air-traffic control at
"Radar was not affected," the spokesperson added. "It was
only in the London area. We imposed a zero-flow rate. We anticipate
a return to full operations at 7PM at the moment." The
spokesperson declined to say whether the problem was due to a
hardware or software fault.
Eurocontrol's spokesperson said that, when Nats informed
Eurocontrol of the issue, any flights on the ground were held on
the ground, and any flights in the air continued to fly to their
destinations. Passengers are being advised to contact their airline
before arriving at affected airports for their flights.
ZDNet.co.uk blogger Matt Loney wrote on the site from Jersey
Airport, where he said he had been informed that there had been a
"failure of UK air-traffic control".
"We've heard it's a data-link problem affecting the south
east, with the result that planes are taking off/landing every four
or five minutes: way down on the usual 90 seconds," wrote