Britain’s transport chief has summoned the head of the country’s air traffic control operator to explain the problem that grounded and diverted dozens of flights Wednesday.
More than 150 flights were cancelled across the U.K. as a result of what the National Air Traffic Service, or NATS, described as a “technical issue” at the Swanwick control center that forced it to limit the number of aircraft in the London area. The problem was reported at 4:05 p.m Wednesday and the system was fully operational by 5:10 p.m., NATS said.
