That investigation by the National Transportation Safety Board is still ongoing. The airport has undergone additional scrutiny since the July 8 incident involving an Air Canada plane that nearly landed on an SFO taxiway crowded with four fully loaded aircraft. It was designed years ago for a small operator, but now it’s one of the biggest in the world.”

“San Francisco is very, very unique because its runways are so close together that it can create a problem.

“San Francisco seems to have more of these issues,” said Ross Aimer, a retired United Airlines pilot and CEO of Aero Consulting Experts who has been following the SFO incidents. The FAA also revealed that the airport has significantly buttressed its ground radar system and shut down a confusing taxiway, while the federal agency sent a special team to the facility earlier this year to determine why planes were lining up for wrong runways and taxiways. The FAA findings, obtained exclusively by this news organization, cover four investigations at SFO dating back to December 2016 involving three questionable landings and another plane taxiing to take-off, but not a notorious near miss on July 8, which is being investigated by the NTSB. SAN FRANCISCO - Following more than a year of close-call runway mishaps at San Francisco International Airport, the FAA has determined most were caused by pilot errors, including one potentially disastrous incident when an Air Canada flight crew failed to respond to repeated orders to abort their landing to avoid hitting another plane on the runway.

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