Published on : 24 Mar 2026
Breaking: Air Canada Express Flight 8646 from Montreal collides with Port Authority fire truck while landing LaGuardia Airport Runway 4 at 11:38 PM March 23, 2026 killing both pilots (Captain Antoine Forest + First Officer identified), hospitalizing 41 of 76 aboard (72 passengers + 4 crew) while air traffic control audio captures controller urgently ordering “Stop, stop, stop! Truck 1, stop!” seconds before collision at 81-91 knots (93-105 MPH!) then admitting “I messed up” as preliminary investigation reveals single controller handling BOTH ground control + air control simultaneously (ATC cleared fire truck cross runway while Air Canada on short final!), devastating Jazz Aviation CRJ-900 cockpit obliterated + forward galley severed with flight attendant falling through opening, forcing LaGuardia closure until 2 PM Monday + ongoing rolling cancellations March 24 affecting hundreds more as runway where collision occurred closed through Friday + Newark ground stop (smoke ATC tower!) compounds Northeast aviation chaos + National Transportation Safety Board investigator delayed 3 hours TSA security Houston (begged to expedite!) during DHS shutdown Day 39 crisis while Canadian Prime Minister Mark Carney + Quebec Premier François Legault + Montreal Mayor + NYC Mayor Zohran Mamdani express condolences families affected tragic accident exposing LaGuardia third-busiest NYC airport thrust deeper travel turmoil amid nationwide TSA staffing collapse. Here’s what every traveler needs to know now.
Published: March 24, 2026 (Monday) — DAY AFTER TRAGEDY Incident Time: 11:38 PM ET, Sunday March 22/Monday March 23, 2026 Fatalities: 2 (both pilots: Captain Antoine Forest, First Officer) Injured: 41 hospitalized (39 passengers/crew + 2 fire truck occupants), 32 released, 9 remain hospitalized Aircraft: Bombardier CRJ-900 (Jazz Aviation operating as Air Canada Express) Flight: AC8646, Montreal YUL → New York LaGuardia LGA Occupants: 72 passengers + 4 crew = 76 total Fire Truck: Port Authority ARFF (Aircraft Rescue and Firefighting), 2 occupants (Sgt. Michael Orsillo + Officer Adrian Baez) Impact Speed: 81-91 knots (93-105 MPH ground speed) Root Cause: ATC cleared fire truck cross Runway 4 while AC8646 on short final approach ATC Admission: Controller heard saying “I messed up” on frequency after collision Single Controller: Handling BOTH ground control + air control (understaffing!) LaGuardia Closure: Until 2 PM Monday March 23, single runway reopened, full operations delayed Runway 4 Closure: Through Friday March 28 (crash investigation) March 24 Impact: Rolling cancellations continue, Northeast network disrupted
Sunday night March 22/Monday early morning March 23, 2026 marks deadliest US aviation accident since 2009 as Air Canada Express Flight 8646—Jazz Aviation Bombardier CRJ-900 operating Montreal-LaGuardia service carrying 72 passengers + 4 crew—collides with Port Authority Aircraft Rescue and Firefighting (ARFF) fire truck at 81-91 knots (93-105 MPH!) on Runway 4 during landing roll at 11:38 PM ET, killing both pilots (Captain Antoine Forest age young from Coteau-du-Lac Quebec + First Officer), hospitalizing 41 (39 passengers/crew + 2 fire truck occupants Sgt. Michael Orsillo + Officer Adrian Baez), obliterating aircraft cockpit (forward section destroyed, nose tilted upward, tail on tarmac), forcing passengers evacuate through emergency exits as air traffic control audio captures controller desperately ordering “Stop, stop, stop! Truck 1, stop!” seconds before impact then admitting “I messed up” while preliminary investigation exposes single controller handling BOTH ground control + air control simultaneously at understaffed LaGuardia tower (not affected by DHS shutdown BUT stretched thin!), creating conditions where ATC cleared fire truck cross Runway 4 while AC8646 on short final approach responding to separate United Airlines Flight 2384 emergency (aborted takeoff, odor in cabin, sickened flight attendants), devastating LaGuardia operations with closure until 2 PM Monday + rolling cancellations March 24 affecting hundreds as runway crash site closed through Friday March 28 + Newark ground stop (smoke ATC tower!) compounds Northeast aviation chaos during TSA staffing collapse (DHS shutdown Day 39) that delayed National Transportation Safety Board investigator 3 hours TSA security Houston forcing NTSB Chair Jennifer Homendy “beg” expedite as Canadian Prime Minister Mark Carney, Quebec Premier François Legault, Montreal Mayor Soraya Martinez Ferrada, NYC Mayor Zohran Mamdani express condolences families while investigators examine communication breakdown + controller workload + LaGuardia staffing decisions that contributed to deadliest runway incursion incident since 2009.
Flight Details (AC8646):
✈️ Route: Montreal-Trudeau (YUL) → LaGuardia (LGA) ✈️ Operator: Jazz Aviation (regional subsidiary operating as Air Canada Express) ✈️ Aircraft: Bombardier CRJ-900 regional jet (90-seat capacity, 76 aboard this flight) ✈️ Departure: 10:12 PM ET Montreal (2+ hours delayed from scheduled departure!) ✈️ Landing: 11:38 PM ET LaGuardia Runway 4 ✈️ Impact speed: 81-91 knots (93-105 MPH) ground speed at collision ✈️ Occupants: 72 passengers + 4 crew (2 pilots + 2 flight attendants) = 76 total
Casualties:
2 Pilots Killed:
✈️ Captain: Antoine Forest (young pilot from Coteau-du-Lac, Quebec)
41 Hospitalized:
✈️ 39 passengers/crew: Transported to Elmhurst Hospital + NewYork-Presbyterian Queens (both level 1 trauma centers) ✈️ 2 fire truck occupants: Sgt. Michael Orsillo + Officer Adrian Baez
Port Authority Fire Truck:
✈️ Truck 1: ARFF (Aircraft Rescue and Firefighting) vehicle ✈️ Responding to: United Airlines Flight 2384 separate emergency ✈️ ATC clearance: Cleared cross Runway 4 at Taxiway Delta ✈️ Impact: Struck by landing AC8646, vehicle overturned on side ✈️ Occupants: Sgt. Michael Orsillo + Officer Adrian Baez (both hospitalized, stable)
Air Traffic Control Breakdown:
“Stop, Stop, Stop!”:
✈️ Audio captured: LiveATC.com recording ✈️ Controller urgency: “Truck One, stop, stop, stop!” (repeated 10+ times!) ✈️ Seconds before impact: Controller realized mistake, desperately tried prevent collision ✈️ After collision: “JAZZ 646, I see you collided with the vehicle”
“I Messed Up”:
✈️ Controller admission: Heard on frequency shortly after collision saying “I messed up” ✈️ Pilot consolation: Another pilot tried console controller on frequency ✈️ Standard procedure: Controller immediately relieved of position (first step investigation)
Single Controller Handling BOTH:
✈️ Ground control: Managing aircraft/vehicles on ground (taxiways, runways) ✈️ Air control: Managing aircraft in air (approaches, departures) ✈️ Simultaneous duties: One person doing TWO jobs = understaffing! ✈️ Investigation focus: FAA confirms ATC staffing “will be part of investigation”
Preliminary Cause:
✈️ United Flight 2384 emergency: Aborted takeoff, odor in cabin, sickened flight attendants, declared emergency ✈️ Fire truck dispatched: Truck 1 sent from fire station to assist United aircraft across airport ✈️ Runway 4 crossing: Fire truck needed cross Runway 4 to reach United plane ✈️ ATC clearance: Controller cleared Truck 1 cross Runway 4 at Taxiway Delta ✈️ AC8646 on short final: Air Canada landing Runway 4 SAME TIME! ✈️ Collision: Fire truck entered runway, AC8646 unable avoid, struck at 81-91 knots
Aircraft Damage:
✈️ Cockpit obliterated: Front section destroyed, both pilots killed instantly ✈️ Forward galley severed: Opening created where flight attendant fell through ✈️ Nose tilted upward: Front crumpled, lifting nose, tail resting on tarmac ✈️ Photos show: Mangled front, debris scattered, exposed cockpit hanging ✈️ Total loss: Aircraft written off (third CRJ700 family hull loss since 2025!)
LaGuardia Operations Impact:
Sunday Night/Monday Morning:
✈️ Immediate closure: Airport closed 11:38 PM Sunday ✈️ Ground stop: FAA issued until 2 PM Monday ✈️ Runway 4: Collision site closed through Friday March 28 (investigation) ✈️ Single runway: Reopened 2 PM Monday (reduced capacity!)
March 24 (TODAY) Rolling Cancellations:
✈️ Hundreds affected: Airlines anticipate “rolling cancellations throughout March 24” ✈️ Backup crews: Aircraft repositioning from Sunday night chaos ✈️ Extended rescheduling: “Potentially into late March” (sources warn) ✈️ Full recovery: Not expected until March 25-26 (officials estimate)
Northeast Network Chaos:
✈️ Newark ground stop: Monday 7:30 AM (smoke ATC tower, elevator burning smell!)
NTSB Investigation:
✈️ Go-team deployed: Investigators dispatched immediately ✈️ News conference: 6 PM ET Monday March 23 ✈️ Both black boxes: Flight data recorder + cockpit voice recorder recovered ✈️ Investigation focus: Communication breakdown, controller workload, staffing ✈️ TSA delay: Investigator stuck 3 hours Houston security line!
Official Responses:
Canadian:
✈️ Prime Minister Mark Carney: Expressed condolences ✈️ Quebec Premier François Legault: Expressed condolences ✈️ Montreal Mayor Soraya Martinez Ferrada: Expressed condolences ✈️ Transport Minister Steven MacKinnon: Spoke with US counterpart, Canadian officials in NYC “to get to the bottom,” offered condolences
United States:
✈️ NYC Mayor Zohran Mamdani: “Tragic collision,” grateful to first responders “whose swift actions saved lives” ✈️ Transportation Secretary Sean Duffy: Arrived LaGuardia Monday
Air Canada:
✈️ CEO Michael Rousseau: Video statement on X expressing “deepest sorrow for everyone affected,” “deeply saddened by loss of two Jazz employees” ✈️ Hotline: 1-800-961-7099 for friends/families affected passengers
Unions:
✈️ Air Line Pilots Association (ALPA): President Jason Ambrosi: “Loss of our two fellow crewmembers onboard Flight 8646 is a profound tragedy” ✈️ Association of Flight Attendants (AFA): President Sara Nelson: “Our hearts are with the crew, passengers, and their families”
Interpretation: LaGuardia’s deadliest runway collision since 2009 exposes single controller handling BOTH ground + air control creating conditions where fire truck cleared cross Runway 4 while AC8646 landing SAME runway, killing both pilots (Captain Antoine Forest + First Officer), hospitalizing 41 (including flight attendant who fell through severed aircraft opening!), devastating Jazz Aviation + Air Canada network while controller heard desperately ordering “Stop, stop, stop!” then admitting “I messed up” as preliminary investigation reveals understaffing + communication breakdown at LaGuardia not affected by DHS shutdown BUT stretched thin, creating March 24 rolling cancellations affecting hundreds more passengers during nationwide TSA crisis that delayed NTSB investigator 3 hours Houston security forcing Chair Homendy “beg” expedite while Canadian + US officials mourn “profound tragedy” of pilots who “dedicated their careers to safe transport of passengers” dying on routine Montreal-NYC flight.
Captain Antoine Forest—one of two pilots killed in LaGuardia crash—remembered as dedicated aviator who began flying age 16.
Who Was Antoine Forest:
✈️ Hometown: Coteau-du-Lac, Quebec (small city in Quebec province) ✈️ Age: Young (exact age not disclosed, but described as young pilot) ✈️ Career: Jazz Aviation pilot (Air Canada Express regional carrier) ✈️ First flight: Age 16 (began flying early!) ✈️ Passion: “Always taking courses and flying. He never stopped.” (great-aunt quote)
Family Tribute:
Great-Aunt Jeannette Gagnier (Toronto Star Interview):
“He was always taking courses and flying. He never stopped. He flew his first plane when he was 16 years old.”
Identification:
Career Path:
Regional Aviation:
Final Flight:
Pilot Actions Saved Passengers:
Rebecca Liquori Testimony:
“I felt them brake to try to slow the plane down ahead of the crash, protecting the 72 passengers and four crew members as much as they could.”
Translation: Pilots saw fire truck, attempted emergency braking, reduced impact speed, likely saved dozens of lives despite being unable to avoid collision!
Industry Mourning:
Air Line Pilots Association (ALPA):
President Jason Ambrosi: “The loss of our two fellow crewmembers onboard Flight 8646 is a profound tragedy. These pilots dedicated their careers to the safe transport of passengers, and we are all thinking of their families, loved ones, and colleagues at Jazz Aviation during this devastating time.”
Air traffic control audio captures tragic sequence where single controller handling dual responsibilities made fatal error.
The Audio Timeline:
11:18 PM: United Airlines Flight 2384 aborts takeoff (anti-ice warning light, odor in cabin)
United pilots (LiveATC.com audio):
11:30 PM-11:37 PM: Fire truck dispatched
Controller decision:
11:37 PM: Controller realizes mistake
Desperate attempt to stop collision:
Audio transcript:
“Stop, stop, stop! Truck 1, stop! Truck 1, stop!”
Repeated 10+ times!
Translation: Controller suddenly realized fire truck + landing aircraft converging on Runway 4, desperately tried prevent collision but TOO LATE!
11:38 PM: Collision occurs
Aircraft speed: 81-91 knots (93-105 MPH) ground speed
Impact: CRJ-900 strikes fire truck, cockpit obliterated, both pilots killed instantly
Immediately After:
Controller (audio):
“JAZZ 646, I see you collided with the vehicle.”
Confirms collision occurred, begins emergency response:
“I Messed Up”:
Shortly after collision:
Controller heard on frequency:
“I messed up.”
Another pilot (attempting console):
[Tried reassure controller, audio captured but words not clearly transcribed]
Standard procedure:
Why Did This Happen?
Single Controller Dual Responsibilities:
✈️ Ground control: Managing aircraft/vehicles on ground ✈️ Air control: Managing aircraft in air ✈️ Normally: Two separate controllers (one ground, one air) ✈️ LaGuardia March 23: ONE controller doing BOTH jobs!
Workload Overload:
At time of collision, controller managing:
Result: Too much for one person = fatal error!
FAA Investigation Promise:
FAA Head Brad Bedford (LaGuardia press conference):
“The air traffic control staffing at LaGuardia at the time of the collision will be part of the investigation.”
Key questions:
Airport closure Sunday night through Monday afternoon creates cascading Northeast disruptions continuing March 24.
Sunday Night/Monday Timeline:
11:38 PM Sunday (Collision):
2 PM Monday (Partial Reopening):
First departure: 2:08 PM ET Monday (NBC News spotted)
March 24 (TODAY) Rolling Cancellations:
Airlines warning:
Full recovery estimate:
Airline Adjustments:
Delta Air Lines:
American Airlines:
Southwest Airlines:
March 24 Reality:
Newark Liberty International Airport ground stop Monday morning adds to Northeast aviation catastrophe.
What Happened at Newark:
Monday 7:30 AM:
Impact:
Three NYC Airports Status Monday:
LaGuardia:
Newark:
JFK:
Result: ALL THREE major NYC airports experiencing problems simultaneously = complete Northeast aviation chaos!
National Transportation Safety Board investigator stuck 3 hours in TSA security line demonstrates DHS shutdown impact.
NTSB Chair Jennifer Homendy (News Conference Monday Evening):
“We called – in Houston – to beg to see if we can get her through so we can get her here.”
What Happened:
NTSB Specialist:
Houston Airport:
NTSB Intervention:
Why This Matters:
Time-Sensitive Investigation:
DHS Shutdown Impact:
Systemic Problem:
If You’re Flying Through LaGuardia/NYC Area:
If You’re Currently Stranded:
Air Canada Express Flight 8646’s tragic runway collision at LaGuardia Airport 11:38 PM March 22/23, 2026 killing both pilots (Captain Antoine Forest from Coteau-du-Lac Quebec + First Officer) + hospitalizing 41 (39 passengers/crew + 2 fire truck occupants) exposes single air traffic controller handling BOTH ground + air control simultaneously creating conditions where controller cleared Port Authority fire truck cross Runway 4 responding to separate United Airlines emergency WHILE Air Canada landing SAME runway at 81-91 knots (93-105 MPH!), devastating Jazz Aviation CRJ-900 cockpit + forward galley severed with flight attendant falling through opening, forcing LaGuardia closure until 2 PM Monday + ongoing rolling cancellations March 24 affecting hundreds as Runway 4 crash site closed through Friday March 28 + Newark ground stop (smoke ATC tower!) compounds Northeast aviation chaos while air traffic control audio captures controller desperately ordering “Stop, stop, stop! Truck 1, stop!” seconds before impact then admitting “I messed up” as National Transportation Safety Board investigates communication breakdown + understaffing decisions + controller workload during incident occurring amid nationwide TSA crisis (DHS shutdown Day 39) that delayed NTSB investigator 3 hours Houston TSA security forcing Chair Jennifer Homendy “beg” expedite as Canadian Prime Minister Mark Carney, Quebec Premier François Legault, Montreal Mayor, NYC Mayor Zohran Mamdani mourn “profound tragedy” of pilots who “dedicated careers to safe transport of passengers” (ALPA president quote) dying routine Montreal-NYC flight.
For travelers: Avoid LaGuardia entirely if possible (single-runway operations, Runway 4 closed through Friday, rolling cancellations extending “potentially into late March”). Expect massive delays ALL NYC airports (LaGuardia reduced capacity, Newark ATC aftermath, JFK 3-hour TSA lines). Check flight status obsessively (hundreds canceled/delayed ongoing). Arrive 4-5 hours early (TSA 35% callout rates persist). Book flexible fares OR travel insurance (disruptions extending weeks). Consider alternative routing (Philadelphia, Boston, DC instead of NYC). Air Canada hotline 1-800-961-7099 for affected passengers. Use airline apps for self-service rebooking. Hotels limited (document expenses for claims). Recovery not expected until March 25-26 at earliest. LaGuardia crash exposes understaffing + communication breakdown where single controller dual responsibilities (ground + air) enabled fatal error clearing fire truck while aircraft landing, killing two young dedicated pilots including Captain Antoine Forest who “never stopped flying” since age 16 (great-aunt tribute), leaving 9 passengers hospitalized with serious injuries (one brain bleed), devastating Northeast aviation network during TSA staffing crisis that delayed even NTSB federal investigators 3 hours security while Chair Homendy “begged” Houston airport expedite, creating what passenger Rebecca Liquori describes as pilots “acting quickly” to brake + protect passengers despite being “unable to make it home to their families” in deadliest US runway collision since 2009.
2 pilots killed. Captain Antoine Forest, First Officer. 41 hospitalized. 9 serious. ATC “I messed up.” Single controller both ground + air. 81-91 knots impact. Cockpit obliterated. LaGuardia closed 2 PM Monday. Rolling cancellations March 24. Runway 4 closed through Friday. Newark ATC evacuated. NTSB investigator 3-hour TSA delay. “Begged” expedite. “Profound tragedy.” Recovery March 25-26.
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Posted By : Vinay
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