BEIJING (Reuters), – China Eastern Airlines has resumed commercial flight operations using Boeing (NYSE;) 737-880 aircraft less than a year after a deadly crash which killed 132 people and ground more than 200 others, according to data from a website.

China Eastern Flight MU5843 was operated by a Boeing 737-800 plane aged three years. It took off from Kunming in southwest China at 09:58 a.m. (0158 GMT) Sunday. It landed in Chengdu at 11:03 a.m. (also in southwestern China), according to Flightradar24 data.

According to Flightradar24, the aircraft completed a test flight Saturday and left Chengdu for Kunming at 13:02 PM.

A second Boeing 737-800 plane flew a test flight in Shanghai on Sunday morning, Flightradar24 data indicated.

China Eastern is not currently available for comment.

Flight MU5735, a plane en route to Kunming from Guangzhou on March 21st, collided in Guangxi’s mountains killing 123 passengers as well as nine crewmembers. This was mainland China’s most deadly aviation tragedy in 28-years.

China has retrieved both black boxes from the U.N. airport ICAO and will provide a preliminary account within 30 days.