Boston — A China Eastern Airlines Boeing 737-800 passenger plane carrying 132 people crashed in Guangxi teng county. According to ASD-B(Automatic Dependent Surveillance-Broadcast) data collected by flightradar24.com, the plane plunged at a very high descent rate before crashing, pulling up briefly midway but eventually crashing.

Boeing 737NG and 737MAX are common aircraft, the accident aircraft model Boeing 737-800 belongs to the Boeing 737NG series. According to Boeing’s orders and deliveries data statistics, as of February 2022 Boeing delivered a total of 6,937 Boeing 737NG to the world, including 4,719 737-800 aircraft, and 706 Boeing 737MAX.

looking back to history there were total 31 incidents with Boeing 737 NG and 737 MAX, 15 of them caused at least one death on board including China Eastern 5735. Of the 15 accidents, 2 were 737 MAX models, Lion Air Flight 610 in 2018 and Ethiopian Airlines Flight 302 in 2019. After these two accidents, the 737 MAX was grounded worldwide and congress opened investigation on it. Congress concluded “horrific culmination” of failures by the aircraft manufacturer Boeing and the FAA. A Senate investigation notes Boeing ‘inappropriately coached’ pilots in 737 MAX tests.

In addition to Boeing’s error in the 737 MAX resulting in 346 deaths, other accidents are  737 NG series. according to the investigation of these incident:  the main cause of the accident for the crew error, four crashes due to maintenance problems, one is believed to be a terrorist attack, there are two other causes of the accident is still under investigation (including the current accident of China Eastern Airlines 5735)

updated on Apr 9th 2022, original title: The reason that people died on Boeing 737NG and 737 MAX