Air Transat flight TS-436 had to return and make an emergency landing in Montreal, Quebec, Canada, on March 18th.
The Airbus A330-300 took off for Cancun, Mexico, but had to return shortly afterwards due to an indication of low hydraulic quantity.
The plane landed uneventfully. There were 366 passengers and 12 crew members aboard at the time; all of them remained safe.
The airline arranged a replacement plane for the passengers.

Air France flight AF-229 made an emergency landing in Asuncion, Paraguay, on December 19th.
Air Algerie flight AH-1020 had to return and make a precautionary landing at Algiers International Airport, Algiers, Algeria, on August 6th.
JetBlue flight B6-897 had to divert and make an emergency landing in Orlando, Florida, on April 1st.
American Airlines flight AA-1609 made an emergency landing at John F. Kennedy International Airport, New York, on December 31st.