Avinor is said to have found several fiber breaks in its search for the error when air traffic in northern Norway was affected last week.
– Yes, that’s right, we received several similar fiber breaks when they were working to search for the fault in the first break that was discovered in northern Norway early Friday, says Jan-Gunnar Pedersen, executive vice president for aviation security at Avinor to NRK.
According to NRK, it took over five hours before Avinor had the systems back in full operation. One of the challenges for the state-owned company was that the lines for data traffic had to be rerouted to get everything back to normal operation.
– We preemptively chose to reroute the data traffic to protect the control center in Bodø, which is responsible for the airspace from Røros in the south to the North Pole in the north. It also meant that the consequences at our largest airports, such as Tromsø, were less than they could have been, Pedersen adds to NRK.
Avinor claims that there is no connection between the two incidents of closed airspace in southern Norway on Thursday, and the same in northern Norway on Friday.
– It is purely coincidental that this happens two days in a row. The first incident in southern Norway was a component failure on our own equipment. In the north, there was talk of one or more fiber breaks which had an impact on the data traffic between our units, he says to NRK.
This week, Avinor starts work on unraveling what went wrong, and where the blame lies. In addition, it must be evaluated what can be done to prevent it from happening again.
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