Fifty-five minutes after , at 08:14 Irish time , Air India Flight 182 exploded mid-air and plunged into the Atlantic Ocean off the west coast of Ireland , killing 329 people . Canadian security forces believe that the incidents were related , as noted in a 2010 report by a government commission . They were both developed by Babbar Khalsa , the Sikh separatist group operating in Canada . Investigators believe the bombings were intended to be simultaneous , but the terrorist planners were not aware that while Canada observes daylight saving time , Japan does not
Air India Flight 182
Air India Flight 182
1985 Narita International Airport bombing