Avianca airlines flight AV-929 returned and made an emergency landing in San Salvador, El Salvador, on November 19.
The Airbus A330-200 plane, heading to Lima, Peru, was diverted after the crew noticed a hydraulic problem.
The plane landed uneventfully and everyone aboard remains safe.
Authorities said the aircraft was cleared to take off again after maintenance.
American airlines flight AA787 had to divert and make an unscheduled landing at Dublin Airport, Ireland, on October 24.
The Airbus A330-200 plane, heading from Paris to Charlotte, North Carolina, was diverted after a passenger went into premature labour mid-air.
The plane landed safely. The woman was shifted to Rotunda Hospital, Dublin.
Eurowings flight 4U-592 made a hard landing at Palma de Mallorca Airport, Spain, on October 20.
The left side engine access door of the Airbus A330-200 opened right after taking off, making it hard for the crew to continue the flight. The plane was flying from Cologne Bonn Airport, Germany, to Palma, Spain, at the time.
The plane with 182 people aboard laded uneventfully.
Everyone aboard remained safe.
Emirates Airlines flight EK-724 returned and made an emergency landing in Addis Ababa, Ethiopia, on September 25.
The Airbus A330-200 was heading to Dubai, UAE, when a bird struck its right engine, forcing the crew to shut down the engine and declare an emergency.
The plane landed safely.
No injuries were reported.