Korean Airlines flight KE-917 was intercepted by two supersonic fighter jets on July 15th.
The Boeing 777-300 plane heading from Seoul, South Korea, to Zurich, Switzerland, was over Berlin, Germany, when it lost communication with the ATC.
The German Air Force subsequently dispatched two fighter jets that escorted the plane to Stuttgart, Germany.
The plane landed safely in Stuttgart. All two hundred and eleven passengers aboard remained unharmed.

IndiGo flight 6E-923 had to return and make an emergency landing in Chennai, India, on January 3rd.
British Airways flight BA-286 had to divert and make an emergency landing in Vancouver, Canada, on October 24th.