There were four aircraft lined up on the taxiway waiting for departure when the incident occurred, the FAA said in a statement.
"If it is true, what happened probably came close to the greatest aviation disaster in history".
'If you could imagine an Airbus colliding with four passenger aircraft wide bodies, full of fuel and passengers, then you can imagine how horrific this could have been, ' he remarked.
As the plane approached, the Air Canada pilot asked if there were lights on the runway and the controller said no.
"Where's this guy going?" another voice interjects. "He's on the taxiway". However, the pilot inadvertently lined up for Taxiway C, according to the U.S. Federal Aviation Administration.
Control tower: Air Canada 759 confirmed cleared to land on 28R.
Air Canada says the flight eventually landed safely.
Aviation experts say the incident could've been close to disastrous.
An Air Canada spokesman told Fox News that the flight landed without incident a little later and that the airline is investigating the incident.More news: CDC study shows drop in opioid prescribing in US
As jets approach to land at large airports they are guided to runways by electronic systems. "There is no one on 28-Right but you". A pilot on the ground has asked the air traffic controller where moving the device in volume It has then been redirected.
The Air Canada Airbus 320 was cleared to land at a runway at San Francisco worldwide airport late on Friday.
Control tower: Yeah, I saw that guys.
Recommendations made in the wake of such incidents have helped improve safety procedures, Wiszniowski said.
'They're a sitting duck on the taxiway.
Thankfully, after the go-around, the Air Canada flight was able to land where it was supposed to successfully, despite TRYING TO LAND ON THE TAXIWAY MOMENTS BEFORE.
Had all five planes had just 150 passengers each, the total would have eclipsed the worst disasters to date - the details of which follow.
The SFO spokesman referred inquiries to the FAA, saying the airport had no comment on the event.
Airport authorities and the airlines involved are conducting an investigation.