52 Seconds

For nearly one minute, an Embraer 190’s transponder falsely indicated that the airplane had lifted off, leading ATC to clear a Boeing 777 for takeoff on the occupied runway.

by Linda Werfelman | June 21, 2022

Inaccurate transponder information and an unheard radio transmission factored in a 2020 runway incursion involving two airliners attempting takeoffs from Toronto Lester B. Pearson International Airport with a combined total of 446 passengers and crew, the Transportation Safety Board of Canada (TSB) says.

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