The crash of Japan Airlines Flight 123 happened in 1985, out of the 524 passengers, only 4 survived. There was explosive decompression from a failed repair of the bulkhead, making the 747 uncontrollable.
Delta Airlines Flight 191
In 1985, Delta Air Line Flight 191 crashed because of a microburst over Dallas, Texas. The plane hit the ground and bounced up, before hitting a car and striking two water tanks, making it stop.
American Airline Flight 11 and United Airlines Flight 175
Involved American Airlines flight 11 and United Airlines flight 175. The two planes were piloted by Al-Qaeda terrorists who crashed the two planes into the World Trade Center in New York on September 11th 2001, resulting in 2753 casualties (most of them world trade center workers or emergency personnel).
Korean Airlines Flight 007
On September 1, 1983, a Soviet fighter jet ( a Sukhoi Su-15) shot down Korean Air Lines Flight 007. Everyone aboard was killed.
Turkish Airlines Flight 981
On March 3, 1974 Turkish Airline Flight 981 (McDonnell Douglas DC-10, a plane notorious for being hard to control) crashed into a forest near Paris. It took off from Orly airport, but crashed soon after. Crash was caused by the cargo door opening, causing the floor above to collapse. This cut the control cables, making the plane impossible to control.
Iran Air Flight 655
On July 3, 1988, Iran Air Flight 655 was shot down by US missiles. Everyone onboard was killed.
Pan Am Flight 103
On December 21, 1988, Pan Am Flight 103 (Boeing 747) was destroyed by a terrorist bomb over the town of Lockerbie, Scotland. Everyone onboard was killed. This crash also killed people on the ground, and is also known as the Lockerbie bombing.
Saudia Flight 763 and Air Kazakhstan Flight 1907
This was the world’s worst midair collision involving Saudia Flight 763 and Air Kazakhstan Flight 1907 over India. It involved a pilot error from the Kazakh pilot who was flying at too low an altitude. This accident happened in 1996.
KLM Flight 4805 and Pan Am Flight 1736
583 people were killed when a KLM Boeing 747 that was taking off collided with a taxiing Pan Am 747 in Los Rodeos Airport. Called the Tenerife disaster, it happened on March 27, 1977.
Air India Flight 182
On June 23, 1985, Air India Flight 182 ( A Boeing 747) crashed on the southwest coast of Ireland. A bomb in a suitcase had detonated in the cargo hold. The suitcase was owned by a Mr. Singh, who was linked with the Sikh extremists who were behind the bombing.