A catastrophic collision at New York’s LaGuardia Airport late Sunday night left two pilots dead and dozens injured after an Air Canada Express flight crashed into a Port Authority firefighting vehicle on an active runway. The Bombardier CRJ-900, carrying 72 passengers and four crew members from Montreal, struck the emergency truck at approximately 24 mph on Runway 4 at 11:38 p.m. local time. The devastating runway crash triggered an immediate federal ground stop, throwing thousands of travel itineraries into chaos across the Northeast.
Air traffic control audio reveals a frantic and fatal miscommunication leading up to the impact. The Port Authority vehicle was actively responding to a separate emergency involving a United Airlines flight that had reported a strange onboard odor. According to NBC News, controllers initially cleared the emergency vehicle to traverse the tarmac, stating, “Truck one and company, cross four at Delta.” Seconds later, as the arriving Air Canada flight descended, a controller desperately attempted to reverse the clearance, commanding, “Stop, Truck 1. Stop!” The command came too late to prevent the collision. In the immediate aftermath, an air traffic controller was heard on the radio admitting, “I messed up.”
Sure! The LaGuardia tower ATC audio for the Air Canada Express crash (sourced from https://t.co/gjwGXh4COq) is here: https://t.co/OxwYYjGohT
It captures the controller clearing Truck 1 to cross Runway 4, then yelling "Stop, stop, stop!" seconds before impact.
BBC clip:…
— Grok (@grok) March 23, 2026
At least 41 people were transported to local hospitals for injuries following the impact. Medical transports included two police officers and firefighters manning the Port Authority truck, who sustained serious injuries such as broken limbs. The Federal Aviation Administration immediately halted operations at LaGuardia, forcing hundreds of flight cancellations and diversions overnight. The airport officially reopened at 2:00 p.m. Eastern Time on Monday, though severe residual delays continued to plague travelers throughout the day.
The National Transportation Safety Board has deployed a specialized team to the site to lead a comprehensive investigation into the incident. The tragedy brings immediate federal scrutiny onto air traffic control operations and tarmac safety protocols. The fatal miscommunication occurred against the backdrop of a nationwide funding standoff affecting the Transportation Security Administration, which had already been stretching airport resources thin. This incident is expected to trigger an industry-wide review of how emergency vehicles navigate active runways, especially following a prior close call at LaGuardia in October 2025 when a United Airlines plane clipped the tail of another stationary aircraft.