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Air Canada's close call in San Francisco could've been 'worst aviation accident in history'

The National Transportation Safety Board issued a final report Thursday on the incident in which an Air Canada jet nearly crashed into planes lined up on the ground at San Francisco International Airport shortly before midnight on July 7, 2017.
Credit: JOEL SAGET
A picture taken on August 6, 2018 shows Air Canada planes on the tarmac of Roissy-Charles de Gaulle Airport, north of Paris. (Photo by JOEL SAGET / AFP) (Photo credit should read JOEL SAGET/AFP/Getty Images)

Safety officials say a near collision of airliners in San Francisco last year was a few feet from becoming the worst crash in aviation history.

The National Transportation Safety Board issued a final report Thursday on the incident in which an Air Canada jet nearly crashed into planes lined up on the ground at San Francisco International Airport shortly before midnight on July 7, 2017.

“Only a few feet of separation prevented this from possibly becoming the worst aviation accident in history,” NTSB Vice Chairman Bruce Landsberg said in a statement accompanying the report.

The Air Canada jet swooped to just 60 feet above the ground while passing over other planes packed with passengers waiting to take off.

Another board member, Earl Weener, said the Air Canada plane came within feet of hitting another plane and colliding with several others.

“Over 1,000 people were at imminent risk of serious injury or death,” he said.

The deadliest aviation accident occurred in 1977, when two Boeing 747 jets collided on a runway in Tenerife on the Canary Islands, leaving 583 people dead.

The Air Canada pilots were slow to report the incident to superiors, underscoring the need for faster reporting of dangerous incidents before evidence is lost.

The Air Canada captain, identified in NTSB documents as Dimitrios Kisses, was supposed to report the San Francisco incident to the airline as soon as possible but didn’t because he was “very tired” and it was late. He waited until the next day. By that time, the plane was used for another flight, and the audio loop on the cockpit voice recorder was taped over.

The NTSB did not allege that Kisses and co-pilot Matthew Dampier deliberately delayed reporting the incident, but it did say that investigators could have gained a better understanding of what the crew was doing before the close call.

The NTSB is considering recommending that cockpit recorders capture the last 25 hours of flying time, up from two hours under current rules.

Board member Weener also criticized the airline industry’s reliance on self-reporting of safety issues, saying the industry and the Federal Aviation Administration should consider stronger measures to intervene after a dangerous situation.

Weener noted that other pilots were alert enough to turn on lights to warn the off-course Air Canada jet. Yet once the danger passed, he said, they took no action to prompt “an intervention and evaluation of the Air Canada crew.”

The five-member board determined last month that the incident was caused by the Air Canada pilots being confused because one of two parallel runways was closed that night. The closure was noted in a briefing to the pilots, and nine other planes had made routine landings after the runway was shut down.

The safety board also criticized the FAA for having just one controller on duty at the time of the incident, and recommended better lighting to tell pilots when a runway is closed at night.

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