A Kenya Airways flight had to return and make an emergency landing at O. R. Tambo International Airport, Johannesburg, South Africa, on August 23rd.
The plane en-route to Nairobi, Kenya, had to return shortly after taking-off due to a transponder failure.
The plane landed uneventfully.
All people onboard remained unharmed.

JetBlue flight B6-2828 made an emergency landing in Orlando, Florida, on December 3rd.
British Airways flight BA-199 had to divert and make an emergency landing in Baku, Azerbaijan, on July 12th.