United States federal safety officials say a near disaster involving an Air Canada plane happened due to pilot error Last year, an Air Canada jetliner came within three to six metres of crashing into a plane on the ground in San Francisco The U.S. federal safety board said the Air Canada crew mistook the taxiway for a runway It said the pilots didn't adequately review a warning about one of the runways being closed for construction The board also cited other mistakes and crew fatigue Air Canada spokesman Peter Fitzpatrick