PARIS- Air France (AF) flight AF83 from San Francisco International Airport (SFO) to Paris Charles de Gaulle Airport (CDG) diverted to Montréal–Pierre Elliott Trudeau International Airport (YUL) after an in-flight technical issue. Passengers on board the Boeing 777-328(ER) experienced a late-night delay, with the airline arranging accommodation due to the unscheduled stop.
The diversion likely occurred after a radar system failure (unconfirmed), prompting the crew to reroute for safety reasons. Passengers awaited updates at the airport, with accommodations provided, and further instructions pending from Air France (AF).
Photo: Clément AlloingAir France Flight Diverted to Montreal
Flight AF83, operated by Air France (AF) using a Boeing 777-328(ER), departed San Francisco (SFO) on July 17, 2025, en route to Paris (CDG).
Midway through the journey, technical reports indicated a radar failure (unconfirmed report), a critical system for transatlantic night flights.
With thunderstorms posing significant risks and radar considered essential for safe overwater navigation, the crew decided to divert to Montréal (YUL) for the safety of its passengers.
Upon arrival at Montréal–Pierre Elliott Trudeau International Airport (YUL), the aircraft remained on the tarmac past midnight, with passengers awaiting further information.
As of the latest update, Air France (AF) provided hotel accommodation near YUL for affected travelers and planned to announce onward arrangements the following morning.
After landing in Montreal (YUL), passengers faced extended delays on the ground before being transferred to nearby hotels. With limited communication from Air France (AF), many awaited morning updates regarding continued travel to Paris (CDG).
Photo: FlightRadar24Flight Info
According to FlightRadar24, Air France flight AF83 took off from San Francisco (SFO) at 22:43 UTC.
After being airborne for approximately five hours, the crew reported some technical issues. Following this, the crew decided to divert to Montreal, and it landed safely at 4:31 UTC.
The flight was operated by a Boeing 777-300ER, registered as F-GSQY. Further, it is an 18.1-year-old aircraft powered by GE90 engines.
The flight remained grounded at Montreal for over 20 hours. The aircraft took off again the next day at 0:58 UTC and landed safely at Paris at 7:08 UTC.
Photo: By BriYYZ from Toronto, Canada – Air Canada Airbus A330-300 C-GFAF, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=67447893Similar Incident
An Air Canada (AC) flight, AC819, from Venice (VCE) to Montreal (YUL) made an emergency landing at Dublin Airport (DUB) on May 9, 2024. The incident prompted the temporary closure of one of the airport’s runways, affecting flight operations.
The Airbus A330-300 developed a hydraulic steering issue mid-flight, forcing pilots to divert to Dublin (DUB). Upon landing, the aircraft lost nose wheel steering capability, causing it to stop on the runway.
Flight AC819 was en route from Venice Marco Polo Airport (VCE) to Montréal–Trudeau International Airport (YUL) when pilots detected a hydraulic system malfunction. This critical system failure impacted the aircraft’s nose steering, which is essential for ground maneuvering, particularly after touchdown.
The crew made a precautionary decision to divert to Dublin Airport (DUB), where emergency services were on standby. The aircraft landed safely at approximately 6:50 PM local time. Fire crews immediately inspected the plane on the runway to assess any further risks, as per standard protocol.
Due to the compromised steering, the aircraft was unable to vacate the runway independently. It required towing to a designated stand, leading to the prolonged closure of the affected runway. A hydraulic fluid leak was also reported, which further delayed the reopening process.
The emergency landing of AC819 significantly impacted operations at Dublin Airport (DUB). With the affected runway closed, flight arrivals and departures were restricted to a single operational runway, leading to delays and minor disruptions.
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