Radar Malfunction Causes Long Delays at Logan Int'l Airport

BOSTON (AP) -- Federal officials continued working Tuesday morning to fix a malfunctioning radar system that has triggered long delays at Logan International Airport.

An airport spokesman said the average delay for incoming flights was more than two hours on Tuesday morning, a full day after the radar surveillance system at Logan first broke down. On Monday, many flights were more than four hours late arriving.

A New Jersey-based Federal Aviation Administration team traveled to Boston on Tuesday to investigate the problem, FAA spokeswoman Arlene Murray said.

''We are looking at everything to try to find out what the problem is,'' she said. ''We're keeping other airports and airlines up to date on the situation.''

In the meantime, flights were being monitored by a long-range backup radar system in Nashua, N.H., Murray said. Relying on that system requires increasing the distance between planes from three miles to five miles, resulting in the delays.

''We basically slowed the system down a little bit until we can correct the problem,'' Murray said.

Starting early Monday morning, air traffic controllers began seeing ''false targets'' on their radar scopes - blips that the controllers knew did not represent planes in flight.

''A flock of geese can cause the problem, but this seems to be recurring,'' Murray said. ''It's not a common problem. We have had it occur at facilities before.''


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