U.S. air-crash investigators on Tuesday are slated to examine an escalating hazard for airline passengers: planes mistakenly lining up to land on airport taxiways, rather than runways, or actually touching down on them in error.
A spate of close calls on the tarmac has prompted the National Transportation Safety Board to highlight the dangers. The highest-profile incident took place in July 2017, when an Air Canada jet came within dozens of feet of landing on top of four jetliners lined up for departure on a San Francisco...