"NTSB Chair Jennifer Homendy stated that the ASDE-X system did not activate due to the close proximity of vehicles merging and unmerging near the runway, which hindered the ability to create a track of high confidence."
"Homendy emphasized that the fire truck's lack of a transponder contributed to the system's failure, explaining, 'In order for ASDE-X to work, well, you have to know where ground vehicles and aircraft are.'"
"The collision involved a Bombardier CRJ-900 jet operated by Jazz Aviation as Air Canada Express, which collided with a fire truck, leading to two pilot fatalities and 41 injuries."
"Audio tapes from ATC Live revealed that the controller repeatedly instructed the truck to 'stop' before the crash occurred, indicating a critical communication failure."
The ASDE-X system, designed to prevent runway collisions, did not activate before the Air Canada crash due to the close proximity of vehicles. The fire truck involved lacked a transponder, which is necessary for the system to function effectively. The collision occurred when a Bombardier CRJ-900 jet collided with a fire truck, resulting in two fatalities and numerous injuries. The fire truck had received clearance to cross the runway shortly before the incident, despite air traffic control instructing it to stop.
Read at www.businessinsider.com
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