Normally overcast on a Bay Area summer night, the weather was unusually clear at San Francisco International Airport (KSFO) on July 7, 2017, when Air Canada Flight 759, an Airbus A320 inbound from Toronto and on a visual approach to Runway 28R, was cleared to land. It was 23:46 local time. Waiting for takeoff on Taxiway C, parallel to Runway 28R and nearly 500 ft. to the north, were two United Airlines Boeing 787s, a Philippine Airlines Airbus A340 and a United Boeing 737. Runway 28L had ...


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