ASDE-X Runway Safety System Failed To Alert in LaGuardia CRJ Collision | Aviation International News

ASDE-X Failed To Alert in LaGuardia Runway Collision

ARFF firetruck lacked transponder, NTSB confirms

NTSB investigators walk the scene of the Mar. 22 collision between an Air Canada Express plane and a firefighting vehicle on Runway 4 at LaGuardia Airport. — NTSB investigators walk the scene of the March 22 collision between an Air Canada Express plane and a firefighting vehicle on Runway 4 at LaGuardia Airport.

By Amy Wilder • Writer

March 31, 2026

LaGuardia Airport’s surface detection system failed to generate an alert as air traffic control cleared an aircraft rescue and firefighting (ARFF) vehicle to cross Runway 4 in front of an Air Canada Express CRJ900 that was descending through 100 feet on final approach, according to information presented by NTSB Chair Jennifer Homendy and investigator in charge Doug Brazy. Operating as Jazz Aviation Flight 8646, the CRJ900 collided with the ARFF vehicle on Runway 4 at night on March 22, killing the two pilots and injuring 41, including passengers, cabin crew, and ARFF vehicle occupants. The investigation is ongoing.

Last week, the NTSB took possession of the cockpit voice recorder (CVR) and flight data recorder (FDR) and transported them to NTSB headquarters in Washington for analysis. The CVR contained more than 25 hours of audio across four channels, while the FDR contained approximately 80 hours of data. An NTSB CVR group is transcribing the accident flight recording.

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