Seattles Big Blow A Matter Of Perception

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Key Takeaways:

  • A severe storm in Seattle caused a TRACON to lose power, leading to divergent views between the FAA and the air traffic controllers' union on how the contingency plan was executed.
  • The FAA praised its new contingency plan and "three levels of backup," stating the system functioned almost uninterruptedly with only about an hour of flight disruption despite facility abandonment.
  • The local air traffic controllers' union, however, described a "state of panic" as controllers were urgently relocated to unfamiliar systems at an Air Route Traffic Control Center (ARTCC).
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While a union spokesman described a state of panic in air traffic control facilities in Seattle Dec. 15 during a record storm that interrupted power, the FAA was patting itself on the back for a system that functioned almost uninterrupted thanks to ingenious coast-to-coast ATO teamwork and a new organization-wide contingency plan. These notably divergent points of view grew from the systems experience with one of the worst storms ever to blow through the Pacific Northwest. When power went out to the Seattle terminal radar approach control center (TRACON), an emergency generator kicked in as planned. But the generator failed 16 hours later, leaving the TRACON on battery power. Before the batteries faded, the decision was made to move TRACON controllers to the Sea-Tac tower and an air route traffic control center (ARTCC) 25 miles away. According to local rep for the National Air Traffic Controllers Association Dan Olson, thats where things fell apart. “We had controllers escorted by police in police vehicles to the center because we didn’t know. It was a state of panic,” Olson told KOMO-TV. He said the controllers were then put in front of consoles that they were unfamiliar with because ARTCCs use different systems. But the FAA noted that despite the need to abandon the TRACON, flights were disrupted only for about an hour during the whole ordeal, although some might have been delayed because they were spaced farther apart for safety. FAA spokesman Mike Fergus told KOMO-TV that the system worked. “It comes down to what are enough levels of backup,” he said. “We had three levels and that was sufficient.” Normal power was restored after about 24 hours.

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