Azul Brazilian Airlines flight AD-8751 had to return and make an emergency landing in Lisbon, Portugal, on December 1st.
The Airbus A330-200 plane took off for Sao Paulo, Brazil, but had to turn back due to a hydraulic failure.
The plane landed safely. Everyone aboard remained unharmed.

Wizz Air flight W6-4340 had to reject take off from Memmingen, Germany, on September 25th.

United Airlines flight UA-351 made an emergency landing at O’Hare International Airport, Chicago, Illinois, on July 7th.
Ethiopian Airlines flight ET-686 made an emergency landing in Delhi, India, on July 23rd.