Originally Posted by
WHBM
Just questioning here, but then how did Air Canada at SFO then end up aligning with a taxyway full of aircraft at the hold instead of the assigned runway ? Different requirement by Canadian airlines ? Crew not following SOPs ?
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The NTSB determined the probable cause was the Air Canada flight crew's confusion of the runway with the parallel taxiway, with contributing causes including the crew's failure to use the instrument landing system (ILS), as well as pilot fatigue. ", from wikipedia.
"Air Canada’s FMS Bridge visual approach procedure to runway 28R required pilots of Airbus A319/A320/A321 airplanes to manually enter (tune) the instrument landing system (ILS) frequency into the airplane’s flight management computer (FMC) to provide backup lateral guidance (via the localizer) to the runway.13 The FMS Bridge visual approach to runway 28R was the only approach in Air Canada’s Airbus A320 database that required manual tuning for a navigational aid.14 As part of his pilot monitoring duties, the first officer would have used the multifunction control and display unit (MCDU) to program required settings, but he did not enter the ILS frequency into the radio/navigation page. The first officer reported, during a postincident interview, that he “must have missed” the radio/navigation page and was unsure how that could have happened. Also, the captain did not verify, during the approach briefing, that the ILS frequency had been entered, and neither flight crewmember noticed that the ILS frequency was not shown on the primary flight displays (PFD).15 FDR data showed that the ILS frequency was not tuned and that no frequency had been entered.." from the NTSB report.