7. Air India Flight 182
 
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    Thirty three years ago on June 23, 1985 Air India Flight 182, a Boeing 747-237B, was heading to London.
 Along the way as the pilot was having a conversation with the control center a cry was heard from the pilots end and the flight was off the radar. A suitcase bomb in the plane wiped out 329 passengers and crew.
 The twist is the leader responsible for the terror attack is remembered by a hero by Sikh extremists.