The pilots were slow to report the incident to superiors. "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. Over 1,000 people at riskAnother board member, Earl Weener, said the Air Canada plane came close to hitting another plane and colliding with several others. 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 NTSB recommended development of technology to better warn pilots and air traffic controllers when a plane appears to be off-course for a runway.

Source: CBC News October 12, 2018 13:30 UTC