Passengers and crew on United Airlines flight 507 from San Francisco to Rome are safe after the plane issued a distress signal mid-flight.
The Boeing 777, 26 years old, began a rapid descent over the Atlantic Ocean and diverted to Iceland for an emergency landing.
The flight landed safely at Keflavik International Airport with no injuries reported among the 275 passengers and 14 crew members.
United Airlines confirmed that the remaining journey to Rome was canceled, and passengers were accommodated overnight with a new flight scheduled for the following day.
United Airlines Flight 507 encountered a mechanical issue that forced an emergency descent and diversion.
Flight 507 departed San Francisco International Airport at 5:03 p.m. local time on June 21. The plane was a 26-year-old Boeing 777.
Eight hours after takeoff, it was about halfway across the Atlantic when a rapid descent to 21,000 feet was recorded.
The crew changed the squawk code to 7700, signaling an emergency, then diverted north toward Iceland.
The aircraft aimed for a straight-in approach at Keflavik International Airport, targeting Runway 01. It landed safely around 8 a.m. on June 22.