Top5 Most Mysterious Plane Crashes. The plane crash in San Francisco recently was a mysterious plane crash but only for a few days. These mysterious plane crashes took years to be solved. That is when they did get solved...
"roboto" , "arial" , sans-serif; font-size: 13px; line-height: 17px;">5. Flying Tiger flight 739
4. US Air flight 427
3. TWA flight 800
2. Air France flight 447
1. Pan America flight 7