United Airlines Flight Makes Emergency Landing in San Francisco
United Airlines flight UA-888 had to return and make an emergency landing in San Francisco, California, on April 25th.
The Boeing 747-400 plane took off for Beijing, China, but had to turn back after it lost the reduced vertical separation minima (RVSM) maintenance capability.
The plane landed back safely. All passengers and crew members remained unharmed.

United Airlines flight UA-1516 had to return and make an emergency landing in Liberia, Costa Rica, on April 24th.
Scandinavian Airlines flight SK-4479 had to reject takeoff from Kirkenes, Norway, on April 23rd.
PAL Philippine Airlines flight PR-212 had to return and make an emergency landing at Sydney Airport, Australia, on April 23rd.
American Airlines flight AA-1871 had to return and make an emergency landing at McCarran International Airport, Las Vegas, Nevada, on April 23rd.
Brussels Airlines flight SN-2835 made an emergency landing in Brussels, Belgium, on April 20th.
Alaska Airlines flight AS-176 had to divert and make an emergency landing in Ketchikan, Alaska, on April 18th.
The plane landed safely.
Thomas Cook Airlines flight MT-2718 had to return and make an emergency landing in Manchester, England, on April 15th.
Southwest Airlines flight WN-607 had to divert and make an emergency landing in Grand Cayman, Cayman Islands, on April 13th.
American Airlines flight AA-1820 had to reject takeoff from Denver, Colorado, on April 12th.