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Security officials said that a collision between San Francisco airliners last year was just a few feet from become the worst accident in the history of aviation.

The National Transportation Safety Board released a final report Thursday on the incident in which an Air Canada plane nearly crashed into ground-level aircraft at San Francisco International Airport. Francisco shortly before midnight on July 7, 2017.

"Only a few meters of separation have prevented this from becoming the worst aviation accident in history," said NTSB Vice President Bruce Landsberg in an accompanying statement. The report.

The Air Canada plane flew up to 60 feet above the ground as it flew over other planes filled with passengers waiting to take off.

Earl Weener, another board member, said the Air Canada plane nearly hit another plane and collided with several others.

"More than 1,000 people were at risk of serious injury or death very soon," he said.

The deadliest plane crash occurred in 1977, when two Boeing 747 collided on a runway in Tenerife, Canary Islands, killing 583 people.

Related:The limousine accident in upstate New York is among the deadliest road accidents in the history of the United States

In this archival photo of October 24, 2107, the air traffic control tower is in sight when a plane takes off from the San Francisco International Airport in San Francisco. The National Transportation Safety Board released a final report on Thursday, October 11, 2018, on the July 2017 closing call, in which an Air Canada plane nearly crashed on aircraft. aircraft lined up at the San Francisco International Airport. (Photo: Jeff Chiu, AP)

Air Canada pilots have been slow to report the incident to their superiors, stressing the need to report dangerous incidents more quickly before the evidence is lost.

The Captain of Air Canada, identified in the NTSB documents as Dimitrios Kisses, was supposed to report the San Francisco incident to the airline as soon as possible, but did not do so because he was "very tired" and it was late. He waited until the next day. At that time, the aircraft was being used for another flight and the audio loop of the cockpit voice recorder was recorded.

The NTSB did not claim that Kisses and co-driver Matthew Dampier had deliberately delayed the reporting of the incident, but he had clarified that the investigators could have better understood what the crew was doing before the closure .

The NTSB is considering recommending cockpit recorders to capture the last 25 flying hours, compared to the current two hours.

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

Weener pointed out that other pilots were alert enough to turn on the lights to warn the Air Canada jet that was off the course. However, once the danger has passed, he added, they took no action to incite "an intervention and an assessment of the crew of Air Canada."

The five-member board of directors determined last month that the incident had been caused by the confusion of the Air Canada pilots, with one of the two parallel runways being closed that night -the. The closure was reported during a briefing to the pilots and nine other aircraft made regular landings after the runway closed.

The safety committee also blamed the FAA for having only one controller on duty at the time of the incident and recommended better lighting to inform the pilots of the closure. a track in the evening.

Related: #Agegeek Gallery of October: 32 great photos of aviation

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