United Airlines flight UA-135 had to return and make an emergency landing in Zurich, Switzerland, on May 20th.
The Boeing 767-400 plane took off for Newark, New Jersey, but had to turn back due to a cracked windshield.
The plane landed safely. All passengers and crew members remained unharmed.

UPS flight 5X-605 made an emergency landing in Louisville, Kentucky, on November 27th.
An Air India flight made an emergency landing at Biju Patnaik International Airport, Odisha, India, on June 4th.
Thomson Airways flight BY-1718 made an emergency landing in Glasgow, United Kingdom, on December 18th.
