The Federal Aviation Administration is investigating the incident, which marks the third time in six months a commercial flight has avoided a near-accident at San Francisco International Airport.
Clearance was provided for Aeromexico Flight 668 on SFO Airport's Runway 28R, but for reasons not known, the aircraft's pilots aligned the plane with Runway 28L, located next to the originally assigned runway, ABC 7 News reported. According to airport officials an Aeromexico flight was cleared to land on runway 28 right, but when the plane was about a mile away, controllers noticed the plane was lined up for 28 left.More news: East Africa anticipates benefits from Kenya - US direct flights
Air traffic controllers realized the error and instructed the flight not to land.
After landing, the flight crew indicated they'd had a radio problem.More news: Chicago Bulls win a wild one against the New York Knicks
In that incident, the plane disappeared from SFO's Airport Surface Detection Equipment/Airport Surface Surveillance Capability display - similar to radar - for almost 12 seconds, possibly because it was off course. The flight was able to land safely.
Then on 24 October 2017, another Air Canada A320 failed to heed go-around orders from air traffic controllers prior to landing at San Francisco. Even though the crew repeated back the air tower's instructions, the plane lined up for a different landing path, Runway 28L, Gregor said.More news: China Orders 184 Planes A320 from Airbus Company
A July incident at SFO airport also involved Air Canada. The FAA said the Aeromexico pilots had been using their instrument landing system during the approach, which provides guidance to the pilots when landing in low visibility. Tuesday's incident follows a near mishap in July 2017 when an Air Canada flight from Toronto nearly landed on a taxiway at SFO that was crowded with planes.