Austrian Airlines flight OS-64 had to divert and make an emergency landing at Domodedovo International Airport in Moscow, Russia, on August 22nd.
The Boeing 767-300 plane heading from Beijing, China, to Vienna, Austria, was diverted after the crew received a waste tank indication that suggested the lavatories were unusable.
The plane landed uneventfully. Everyone aboard remained safe.
Brussels Airlines flight SN-3783 had to return and make an emergency landing in Brussels, Belgium, on August 4th.
Gol Transportes Aereos flight G3-9139 had to return and make an emergency landing in Goiana, Brazil, on January 28th.
Scandinavian Airlines flight SK-4479 had to reject takeoff from Kirkenes, Norway, on April 23rd.