American Airlines flight AA-2400 had to divert and make an emergency landing in Denver, Colorado, on December 11th.
The Airbus A319-100 plane heading from Dallas/Fort Worth International Airport, Texas, to Vail, Colorado, was diverted due to an engine issue.
The plane landed safely. All passengers and crew members remained unharmed.

Iran Aseman Airlines flight EP-6554 had to return and make an emergency landing in Shiraz, Iran, on October 5th.
Vueling Airlines flight VY-9013 had to reject take off from Malaga, Spain, on December 31st.
Air Canada flight AC-824 made an emergency landing in Amsterdam, Netherlands, on March 18th.
Thomson Airways flight BY-7352 made an emergency landing in Birmingham, England, on August 24th.
Scandinavian Airlines flight SK-7736 had to return and make an emergency landing in Las Palmas, Spain, on December 1st.