Porter Airlines flight 265 had to make an emergency landing at Halifax Stanfield International Airport in Nova Scotia, Canada, on December 11.
The plane was flying from Ottawa when the pilot reported a hydraulic issue and requested an emergency landing.
The plane landed uneventfully. There were 54 passengers and crew members aboard at the time; all of them remained unhurt.
Swift Air flight Q7-5017 had to return and make an emergency landing at St. Louis Downtown Airport, Illinois, on January 8th.
Piedmont Airlines flight PDT-4868 had to return and make an emergency landing at Long Island MacArthur Airport in Islip, New York, on May 16th.
Alaska Airlines flight AS-35 had to divert and make an emergency landing in Kansas City, Missouri, on May 29th.