A British Airways flight bound for Chicago declared an emergency over Ireland on Monday after plunging from 36,000 feet to about 9,000 feet in seven minutes, then turned back to London. Flight-tracking data from Flightradar24 shows BA295 eventually landed safely at Heathrow Airport just after 5 p.m., with passengers disembarking normally and no injuries reported.
BA295, operated by a Boeing 777-200ER registered as G-VIIA, departed Heathrow's Terminal 5 at 11:50 a.m. for a scheduled 8-hour-40-minute flight to Chicago O'Hare International Airport. About an hour after takeoff, after climbing to a cruising altitude of 37,000 feet, the aircraft experienced an operational issue and began a rapid descent, dropping roughly 28,000 feet within minutes.
Shortly after the descent began, the crew issued a squawk 7700 code — the international aviation signal for a general emergency. Aviation watchers note that controlled rapid descents below 10,000 feet are often associated with cabin depressurization, environmental-control issues, or airframe technical faults, though British Airways has not confirmed the specific cause.
After squawking 7700, BA295 changed course over Ireland, abandoning its transatlantic crossing and turning back toward London. Tracking data showed the aircraft flying south of Wales and over southwestern England, making several turns over the Bristol Channel.
The holding pattern was likely related to fuel management: a long-haul jet departs heavy with fuel, and landing overweight is avoided by burning or dumping fuel first. The Sun reported the aircraft spent about four hours zig-zagging across the coast before it could land — an agonizing wait for passengers who had expected to be halfway across the Atlantic by then.
A British Airways spokesperson said the aircraft had experienced a "technical issue" forcing it to return. "The safety of our customers and crew is always our top priority, and the aircraft landed safely after our highly-trained pilots returned to Heathrow following a technical issue," the spokesperson said. "Customers disembarked the aircraft normally and our teams are working to get their travel plans back on track as quickly as possible."
As of publication, British Airways had not specified what triggered the 7700 declaration and the rapid descent. In such incidents, airlines typically release details only after preliminary inspections. BA295's passengers face disrupted travel plans, with the airline working to rebook them on onward flights.