u/Aromatic_Whereas_778

Malév flight 240 was a passenger flight operated by a Tupolev Tu-154A, registration HA-LCI, that departed Budapest for Beirut, Lebanon on September 30, 1975.

However, near the approach to Beirut, the aircraft suddenly crashed into the Mediterranean Sea, killing everyone on board. The cause of the accident was never revealed by the Hungarian government (declared top secret), and few debris were recovered; only 37 bodies and smaller debris were found, but the central fuselage and the black boxes were never located.

Because the cause is undetermined, the closest theory to the cause of the accident is that the aircraft was shot down (possibly by an Israeli F-4 or a syrian fighter jet) during the Lebanese civil war, but this is only one of the main and most likely theories about the accident.

EDIT 1 : theres a 2008 documentary of malev 240 https://youtu.be/MLPz8tDQ6Qs?is=Iwn4bXuLXjAb-SI0

In April 22, 1966, American Flyers Flight 280/D operated by a lockheed electra l-188 crashed during landing in Ardmore,Oklahoma killing 83 people with 15 survivors. The investigation concluded the pilot Reed Pigman (owner of the company at the time) suffered from coronary insufficiency but concealed it from his reports because he would be unable to operate